Central Location Test (CLT) Solutions – SIS International<\/title>\n <style>\n html, body { margin: 0; padding: 0; width: 100%; overflow-x: hidden; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: #ffffff; scroll-behavior: smooth; }\n #sis-hero-master-container { box-sizing: border-box; width: 100%; min-height: 80vh; display: flex; justify-content: center; align-items: center; position: relative; padding: 80px 10%; background: linear-gradient(90deg, #ffffff 0%, #f9f9f9 50%, #ffffff 100%); }\n .sis-hero-inner-grid { max-width: 1300px; width: 100%; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; z-index: 1; }\n .sis-hero-content { opacity: 0; animation: sisFadeInUp 1s ease-out forwards; }\n .sis-hero-tag-pill { display: inline-flex; padding: 8px 18px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.15em; font-weight: 700; color: #bd8f13; background: rgba(189, 143, 19, 0.1); border: 1px solid rgba(189, 143, 19, 0.4); border-radius: 9999px; margin-bottom: 25px; }\n .sis-hero-title { font-size: clamp(2.2rem, 4.5vw, 3.5rem); font-weight: 800; line-height: 1.1; margin: 0 0 30px 0; color: #0f172a; background: linear-gradient(110deg, #0f172a 0%, #bd8f13 50%, #0f172a 100%); background-size: 200% auto; -webkit-background-clip: text; -webkit-text-fill-color: transparent; animation: sheen-shift 8s linear infinite; }\n .sis-hero-subheading { font-size: 1.2rem; color: #475569; line-height: 1.8; max-width: 650px; border-left: 4px solid #bd8f13; padding-left: 25px; margin-bottom: 20px; }\n .sis-hero-image-wrap { position: relative; opacity: 0; animation: sisFadeInRight 1.2s ease-out forwards 0.3s; }\n .sis-hero-img-frame { width: 100%; height: auto; border-radius: 20%; object-fit: cover; aspect-ratio: 1 \/ 1; border: 10px solid #ffffff; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15); position: relative; z-index: 2; transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1); }\n .sis-hero-image-wrap::before { content: \"\"; position: absolute; inset: -15px; border: 3px solid #bd8f13; border-radius: 22%; z-index: 1; opacity: 0.5; animation: organicMorph 10s ease-in-out infinite alternate; }\n .animated-insights { padding: 100px 20px; background-color: #f8fafc; }\n .container { max-width: 1200px; margin: 0 auto; }\n .header { display: flex; flex-direction: column; align-items: center; text-align: center; margin-bottom: 60px; }\n .badge { order: -1; text-transform: uppercase; letter-spacing: 2px; font-size: 11px; font-weight: 800; color: #bd8f13; background: rgba(189, 143, 19, 0.1); padding: 5px 15px; border-radius: 50px; margin-bottom: 20px; }\n .header h2 { font-size: clamp(2rem, 5vw, 2.8rem); color: #0f172a; margin: 0; }\n .header h2 span { color: #bd8f13; }\n .header p.header-sub { color: #64748b; font-size: 1.05rem; max-width: 720px; margin: 18px auto 0; line-height: 1.7; }\n .bento-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 25px; }\n .card { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px); padding: 40px; border-radius: 24px; border: 1px solid #e2e8f0; transition: all 0.4s ease; }\n .card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.05); border-color: #bd8f13; }\n .card h3 { color: #1e293b; margin-bottom: 15px; font-weight: 700; }\n .card p { color: #64748b; line-height: 1.6; font-size: 0.95rem; }\n @keyframes organicMorph { 0% { transform: rotate(0deg); border-radius: 22% 25% 20% 24%; } 50% { transform: rotate(3deg) scale(1.05); border-radius: 28% 20% 26% 20%; } 100% { transform: rotate(-3deg) scale(0.95); border-radius: 20% 28% 22% 26%; } }\n @keyframes sheen-shift { to { background-position: 200% center; } }\n @keyframes sisFadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }\n @keyframes sisFadeInRight { from { opacity: 0; transform: translateX(50px); } to { opacity: 1; transform: translateX(0); } }\n @media (max-width: 992px) { .sis-hero-inner-grid { grid-template-columns: 1fr; text-align: center; } .sis-hero-subheading { margin: 0 auto; border-left: none; border-top: 4px solid #bd8f13; padding-top: 20px; text-align: left; } .sis-hero-image-wrap { max-width: 450px; margin: 40px auto 0; } }\n <\/style>\n<\/head>\n<body>\n\n\n<div id=\"sis-hero-master-container\">\n <div class=\"sis-hero-inner-grid\">\n <div class=\"sis-hero-content\">\n <div class=\"sis-hero-tag-pill\">Central Location Testing<\/div>\n <h1 class=\"sis-hero-title\">Product Tests and Sensory Evaluations in a Controlled Facility<\/h1>\n <p class=\"sis-hero-subheading\">\n SIS runs central location tests at our facility at 11 East 22nd Street in Manhattan’s Flatiron District. The space includes a test kitchen with temperature-controlled product storage, controlled lighting, HD video recording, and one-way mirror observation. Respondents handle, use, taste, or evaluate physical products under standardized conditions.\n <\/p>\n <p class=\"sis-hero-subheading\">\n CLTs serve food and beverage brands, personal care companies, consumer electronics manufacturers, and CPG firms that need structured feedback from recruited respondents before committing to production or launch.\n <\/p>\n <\/div>\n <div class=\"sis-hero-image-wrap\">\n <img decoding=\"async\" src=\"https:\/\/images.unsplash.com\/photo-1581093588401-fbb62a02f120?auto=format&fit=crop&q=80&w=1200\" \n alt=\"Central Location Test Facility - SIS International\" \n class=\"sis-hero-img-frame\">\n <\/div>\n <\/div>\n<\/div>\n\n\n<section class=\"animated-insights\">\n <div class=\"container\">\n <div class=\"header\">\n <span class=\"badge\">What We Test<\/span>\n <h2>Six CLT Capabilities at <span>Our NYC Facility<\/span><\/h2>\n <p class=\"header-sub\">Each CLT starts with a screener questionnaire that defines who qualifies. SIS recruits from a national respondent database and through direct outreach for specialized audiences. Bilingual moderators on staff (Spanish, Mandarin, German).<\/p>\n <\/div>\n\n <div class=\"bento-grid\">\n\n <div class=\"card\">\n <h3>Taste Tests and Flavor Evaluation<\/h3>\n <p>Respondents evaluate food and beverage products in our test kitchen under controlled temperature, lighting, and serving conditions. SIS uses sequential monadic designs (one product at a time in randomized order) to reduce comparison bias. Rating scales include 9-point hedonic scales for overall liking and JAR (Just About Right) scales for specific attributes like sweetness, texture, and saltiness. Triangle tests identify whether respondents can detect a formulation change.<\/p>\n <\/div>\n\n <div class=\"card\">\n <h3>Personal Care Sensory Testing<\/h3>\n <p>Respondents apply skincare, haircare, fragrance, and cosmetic products and provide structured feedback on texture, scent, absorption, residue, and perceived efficacy. SIS controls application method, product quantity, and environmental conditions to isolate sensory variables. Recent CLT work has included moisturizer texture comparison, shampoo fragrance ranking, and sunscreen application feel across multiple SPF formulations.<\/p>\n <\/div>\n\n <div class=\"card\">\n <h3>Product Prototype Handling<\/h3>\n <p>Consumers interact with physical prototypes of consumer electronics, household appliances, and packaged goods. SIS captures ergonomic feedback (grip, weight, balance), functional assessment (does it work as expected), and aesthetic reactions (materials, finish, color) through structured interview guides. Findings go directly into product gate reviews before tooling and production commitments.<\/p>\n <\/div>\n\n <div class=\"card\">\n <h3>Packaging and Shelf Simulation<\/h3>\n <p>SIS builds simulated shelf sets in the facility to test packaging visibility, findability, and preference against competitive products. Eye-tracking equipment measures where respondents look first, how long they dwell on each package, and which design elements drive pick-up. Research covers primary packaging, secondary packaging, shelf-ready displays, and label hierarchy for regulatory compliance (FDA nutrition facts, EU allergen declarations).<\/p>\n <\/div>\n\n <div class=\"card\">\n <h3>Monadic and Paired Comparison Designs<\/h3>\n <p>SIS designs CLTs using the test structure that matches the research question. Sequential monadic testing evaluates each product independently. Paired comparison forces a choice between two options. Protomonadic designs combine both: independent evaluation followed by direct comparison. Sample sizes are calculated to achieve statistical significance at the confidence level the client’s decision requires, typically 100 to 300 respondents per cell.<\/p>\n <\/div>\n\n <div class=\"card\">\n <h3>High-Volume Recruitment and Throughput<\/h3>\n <p>The Flatiron District facility runs multiple sessions per day. SIS recruits respondents by demographics, purchase behavior, category usage, and brand awareness through our national database. For specialized audiences (physicians evaluating medical devices, engineers assessing industrial components, sommeliers evaluating wine), SIS recruits through direct professional outreach. Typical CLT projects field 150 to 500 respondents over one to two weeks.<\/p>\n <\/div>\n\n <\/div>\n <\/div>\n<\/section>\n\n<\/body>\n<\/html>\n\n\n\n<div style=\"height:61px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n <title>SIS International – Central Location Tests (CLT)<\/title>\n \n <style>\n * { box-sizing: border-box; margin: 0; padding: 0; }\n body { font-family: 'Helvetica Neue', Helvetica, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Arial, sans-serif; -webkit-font-smoothing: antialiased; color: #0f172a; line-height: 1.6; }\n .animate-on-load { opacity: 0; transform: translateY(30px); animation: fadeUp 0.8s cubic-bezier(0.165, 0.84, 0.44, 1) forwards; }\n @keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }\n .delay-1 { animation-delay: 0.1s; } .delay-2 { animation-delay: 0.2s; } .delay-3 { animation-delay: 0.25s; 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line-height: 1.6; }\n\n .pas-solution-section { background: linear-gradient(90deg, #0b4e80 0%, #032b47 100%); padding: 8rem 2rem; color: #ffffff; overflow: hidden; position: relative; }\n .solution-container { display: flex; flex-direction: column; gap: 4rem; max-width: 1200px; margin: 0 auto; position: relative; z-index: 2; }\n @media (min-width: 992px) { .solution-container { flex-direction: row; align-items: flex-start; gap: 6rem; } }\n .solution-title-wrapper { flex: 1; position: sticky; top: 4rem; padding-left: 2rem; }\n .solution-title-wrapper::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: #bd8f13; border-radius: 4px; box-shadow: 0 0 20px rgba(189, 143, 19, 0.6); }\n .solution-kicker { display: inline-flex; align-items: center; gap: 8px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; font-weight: 700; letter-spacing: 2px; color: #e0e7ff; text-transform: uppercase; margin-bottom: 1.5rem; background: rgba(255, 255, 255, 0.1); padding: 4px 12px; border-radius: 20px; border: 1px solid rgba(255, 255, 255, 0.2); }\n .solution-kicker .live-dot { width: 6px; height: 6px; background: #60a5fa; border-radius: 50%; animation: pulse-blue 2s infinite; }\n @keyframes pulse-blue { 0% { box-shadow: 0 0 0 0 rgba(96, 165, 250, 0.6); } 70% { box-shadow: 0 0 0 6px rgba(96, 165, 250, 0); } 100% { box-shadow: 0 0 0 0 rgba(96, 165, 250, 0); } }\n .solution-title-wrapper h3 { font-size: clamp(2.25rem, 4.5vw, 3.25rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; color: #ffffff; }\n .solution-title-wrapper .brand-gold { background-image: linear-gradient(110deg, #dca826 0%, #9e7505 50%, #dca826 100%); background-size: 200% auto; -webkit-background-clip: text; -webkit-text-fill-color: transparent; animation: sheen-shift 6s linear infinite; }\n .solution-title-wrapper .sticky-sub { color: #94a3b8; font-size: 1.05rem; line-height: 1.7; margin-top: 1.25rem; }\n .solution-list-wrapper { flex: 1.2; }\n .futuristic-list { display: flex; flex-direction: column; gap: 1.5rem; position: relative; }\n .futuristic-list::before { content: ''; position: absolute; left: 24px; top: 20px; bottom: 20px; width: 2px; background: linear-gradient(to bottom, transparent, rgba(189, 143, 19, 0.6), transparent); z-index: 1; }\n .future-item { position: relative; padding-left: 4.5rem; display: flex; flex-direction: column; justify-content: center; z-index: 2; }\n .future-node { position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 50px; height: 50px; background: rgba(8, 85, 137, 0.4); border: 1px solid rgba(189, 143, 19, 0.4); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-weight: 700; color: #bd8f13; font-size: 1.1rem; backdrop-filter: blur(8px); transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); z-index: 3; }\n .future-content { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); padding: 2rem; border-radius: 16px; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); position: relative; overflow: hidden; }\n .future-content::before { content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%; background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.08), transparent); transform: skewX(-25deg); transition: left 0.7s ease; }\n .future-item:hover .future-node { background: #bd8f13; color: #032035; box-shadow: 0 0 20px rgba(189, 143, 19, 0.5), 0 0 0 8px rgba(189, 143, 19, 0.15); transform: translateY(-50%) scale(1.1); }\n .future-item:hover .future-content { background: rgba(255, 255, 255, 0.1); border-color: rgba(189, 143, 19, 0.4); transform: translateX(10px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15); }\n .future-item:hover .future-content::before { left: 200%; }\n .future-item:hover .future-content strong { color: #bd8f13; }\n .future-content strong { display: block; color: #ffffff; font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; letter-spacing: -0.01em; transition: color 0.3s ease; }\n .future-content p { color: #e2e8f0; font-size: 1.05rem; line-height: 1.6; margin: 0; }\n\n @media (max-width: 992px) { .sis-pas-widget .cards-wrapper { grid-template-columns: 1fr; } .sis-pas-widget .card { padding: 30px; } .solution-title-wrapper { padding-left: 1.5rem; } .future-item { padding-left: 0; padding-top: 3.5rem; } .futuristic-list::before { left: 24px; top: 0; bottom: 0; } .future-node { top: 0; left: 0; transform: none; } .future-item:hover .future-node { transform: scale(1.1); } .future-item:hover .future-content { transform: translateY(-5px); } }\n <\/style>\n<\/head>\n<body>\n\n \n <section class=\"sis-pas-widget\">\n <div class=\"container\">\n <div class=\"header animate-on-load delay-1\">\n <div class=\"tech-badge\">\n <span class=\"live-dot\"><\/span> HOW SIS RUNS CENTRAL LOCATION TESTS\n <\/div>\n <h2>Three CLT Engagement Types at Our NYC Facility<\/h2>\n <p class=\"header-sub\">Each test is conducted under controlled conditions at 11 East 22nd Street in Manhattan’s Flatiron District. SIS controls lighting, temperature, serving method, and product presentation to isolate the variable being measured. Typically 150 to 500 respondents per project.<\/p>\n <\/div>\n\n <div class=\"cards-wrapper\">\n <div class=\"card animate-on-load delay-2\">\n <div class=\"card-kicker\">CLT TYPE 01 \/\/ FOOD & BEVERAGE<\/div>\n <div class=\"card-sub-kicker\">TASTE TESTS AND SENSORY PROFILING<\/div>\n <div class=\"card-title\">Evaluate Recipes, Formulations, and Flavor Variants<\/div>\n <div class=\"card-desc\">SIS runs blind and branded taste tests in our test kitchen with temperature-controlled product storage and standardized serving protocols. Sequential monadic designs present one product at a time in randomized order to reduce comparison bias. Rating instruments include 9-point hedonic scales for overall liking, JAR (Just About Right) scales for specific attributes (sweetness, saltiness, texture, carbonation), and triangle tests that determine whether respondents can detect a formulation change. Recent CLT work: sparkling water flavor comparison, snack brand reformulation validation, plant-based protein texture assessment.<\/div>\n <\/div>\n\n <div class=\"card animate-on-load delay-3\">\n <div class=\"card-kicker\">CLT TYPE 02 \/\/ PERSONAL CARE & CPG<\/div>\n <div class=\"card-sub-kicker\">PRODUCT HANDLING AND SENSORY EVALUATION<\/div>\n <div class=\"card-title\">Test Texture, Fragrance, and Application Before Production<\/div>\n <div class=\"card-desc\">Respondents apply, handle, or use physical products under controlled conditions. SIS standardizes application quantity, method, and environmental factors (humidity, lighting) to isolate sensory variables. Research captures fragrance preference, texture perception, absorption rate, residue assessment, and perceived efficacy. For packaging CLTs, respondents evaluate open-and-close mechanics, dispense control, and label readability. Recent work: moisturizer texture comparison across three formulations, shampoo fragrance ranking, sunscreen application feel by SPF level.<\/div>\n <\/div>\n\n <div class=\"card animate-on-load delay-4\">\n <div class=\"card-kicker\">CLT TYPE 03 \/\/ PROTOTYPE & CONCEPT<\/div>\n <div class=\"card-sub-kicker\">DESIGN VALIDATION AND SHELF SIMULATION<\/div>\n <div class=\"card-title\">Validate Physical Products and Packaging Before Tooling<\/div>\n <div class=\"card-desc\">SIS builds simulated shelf sets in the facility to test packaging visibility, findability, and preference against competitive products. Eye-tracking measures first fixation, dwell time, and pick-up rate. For product prototypes (electronics, appliances, household goods), respondents evaluate ergonomics, materials, and functionality through structured interview guides. Pricing validation uses Van Westendorp or Gabor-Granger methods calibrated to the competitive set. The output feeds directly into product gate reviews before tooling investment.<\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section class=\"pas-solution-section\">\n <div class=\"solution-container\">\n \n <div class=\"solution-title-wrapper animate-on-load delay-2\">\n <div class=\"solution-kicker\">\n <span class=\"live-dot\"><\/span> WHAT YOU RECEIVE\n <\/div>\n <h3>CLT Findings <span class=\"brand-gold\">Ready for Decision-Making<\/span><\/h3>\n <p class=\"sticky-sub\">Every CLT produces structured data that a product team, R&D director, or brand manager can bring directly into a go\/no-go meeting. SIS handles screener development, recruitment, test design, moderation, data collection, and analysis as a single engagement.<\/p>\n <\/div>\n \n <div class=\"solution-list-wrapper\">\n <div class=\"futuristic-list\">\n \n <div class=\"future-item animate-on-load delay-4\">\n <div class=\"future-node\">01<\/div>\n <div class=\"future-content\">\n <strong>Preference Scores with Statistical Significance<\/strong>\n <p>Hedonic ratings, JAR attribute scores, and paired comparison results calculated at the confidence level the decision requires (typically 90% or 95%). Sample sizes are designed to detect meaningful differences between variants, not just generate a directional signal. The report identifies the winning formulation, variant, or design with supporting evidence.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"future-item animate-on-load delay-5\">\n <div class=\"future-node\">02<\/div>\n <div class=\"future-content\">\n <strong>Formulation and Design Optimization Data<\/strong>\n <p>JAR diagnostics pinpoint where specific attributes need adjustment: too sweet, not crunchy enough, fragrance too strong. Penalty analysis quantifies how much each off-target attribute reduces overall liking. R&D teams use this to prioritize reformulation work by impact rather than by internal opinion.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"future-item animate-on-load delay-6\">\n <div class=\"future-node\">03<\/div>\n <div class=\"future-content\">\n <strong>Packaging Performance Against Competitive Shelf Sets<\/strong>\n <p>Eye-tracking metrics (time to first fixation, total dwell time, pick-up rate) measured in a simulated retail environment with real competitive products on the shelf. Findings show whether the packaging gets noticed, gets picked up, and gets chosen. Tested under conditions that replicate the actual purchase context, not a sterile evaluation.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"future-item animate-on-load delay-7\">\n <div class=\"future-node\">04<\/div>\n <div class=\"future-content\">\n <strong>Pricing Validation Calibrated to the Category<\/strong>\n <p>Van Westendorp price sensitivity analysis or Gabor-Granger demand curves built from responses by category buyers recruited through SIS screeners. The output identifies optimal price point, acceptable price range, and the price ceiling where purchase intent drops. Tested against the specific competitive set the product will face on shelf, not in isolation.<\/p>\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n\n <\/div>\n <\/section>\n\n<\/body>\n<\/html>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p class=\"has-text-align-center has-accent-color has-text-color has-link-color wp-elements-55ea7415170adc30ae38d0fc701de175\"><strong>THE SIS DIFFERENCE<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-global-color-9-color has-text-color has-link-color wp-elements-857f407cc2c3a7fe3a696a894085fe0a\" style=\"font-size:25px\"><strong><strong>Our service offerings include:<\/strong><\/strong><\/p>\n\n\n<div class='pt-cv-wrapper'> <h3 class='pt-cv-heading-container heading5' data-blockid='0i8f2on2'><span class='pt-cv-heading'> Recommended <\/span><\/h3><div class=\"pt-cv-view pt-cv-blockgrid iscvblock iscvreal list1 layout1 cveffect-darken pt-cv-left\" id=\"pt-cv-view-0i8f2on2\"><div data-id=\"pt-cv-page-1\" class=\"pt-cv-page\" data-cvc=\"2\"><div class=\" pt-cv-content-item pt-cv-2-col\" data-pid=\"53729\"><div class=\"pt-cv-thumb-wrapper pull-left \"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95%e4%b8%8e%e7%84%a6%e7%82%b9%e5%b0%8f%e7%bb%84\/\" class=\"_blank pt-cv-href-thumbnail pt-cv-thumb-left\" target=\"_blank\" ><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"430\" src=\"https:\/\/www.sisinternational.com\/wp-content\/uploads\/2025\/08\/Food-taste-testing-3-768x430.jpg\" class=\"pt-cv-thumbnail pull-left\" alt=\"Central Location Tests vs Focus Groups\" \/><\/a><div class=\"pt-cv-taxoterm over_top_left\"><\/div><\/div>\n<div class=\"pt-cv-colwrap\"><h4 class=\"pt-cv-title\"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95%e4%b8%8e%e7%84%a6%e7%82%b9%e5%b0%8f%e7%bb%84\/\" class=\"_blank\" target=\"_blank\" >Central Location Tests vs Focus Groups<\/a><\/h4><div class=\"pt-cv-content\">Central Lo …<\/div><div class=\"pt-cv-rmwrap\"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95%e4%b8%8e%e7%84%a6%e7%82%b9%e5%b0%8f%e7%bb%84\/\" class=\"_blank pt-cv-readmore btn btn-success\" target=\"_blank\" >\u9605\u8bfb\u66f4\u591a\u2026<\/a><\/div><\/div><\/div>\n<div class=\" pt-cv-content-item pt-cv-2-col\" data-pid=\"41779\"><div class=\"pt-cv-thumb-wrapper pull-left \"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95-clt-%e5%b8%82%e5%9c%ba%e7%a0%94%e7%a9%b6\/\" class=\"_blank pt-cv-href-thumbnail pt-cv-thumb-left\" target=\"_blank\" ><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"430\" src=\"https:\/\/www.sisinternational.com\/wp-content\/uploads\/2025\/09\/Quantitative-research-1d4-3-768x430.jpg\" class=\"pt-cv-thumbnail pull-left\" alt=\"CLT Market Research\" \/><\/a><div class=\"pt-cv-taxoterm over_top_left\"><\/div><\/div>\n<div class=\"pt-cv-colwrap\"><h4 class=\"pt-cv-title\"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95-clt-%e5%b8%82%e5%9c%ba%e7%a0%94%e7%a9%b6\/\" class=\"_blank\" target=\"_blank\" >CLT Market Research<\/a><\/h4><div class=\"pt-cv-content\">CLT market …<\/div><div class=\"pt-cv-rmwrap\"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95-clt-%e5%b8%82%e5%9c%ba%e7%a0%94%e7%a9%b6\/\" class=\"_blank pt-cv-readmore btn btn-success\" target=\"_blank\" >\u9605\u8bfb\u66f4\u591a\u2026<\/a><\/div><\/div><\/div>\n<div class=\" pt-cv-content-item pt-cv-2-col\" data-pid=\"54504\"><div class=\"pt-cv-thumb-wrapper pull-left \"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e9%a1%b6%e7%ba%a7%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95%e5%85%ac%e5%8f%b8\/\" class=\"_blank pt-cv-href-thumbnail pt-cv-thumb-left\" target=\"_blank\" ><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"430\" src=\"https:\/\/www.sisinternational.com\/wp-content\/uploads\/2018\/05\/Product-testing-1-768x430.jpg\" class=\"pt-cv-thumbnail pull-left\" alt=\"Top Central Location Testing Company\" \/><\/a><div class=\"pt-cv-taxoterm over_top_left\"><\/div><\/div>\n<div class=\"pt-cv-colwrap\"><h4 class=\"pt-cv-title\"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e9%a1%b6%e7%ba%a7%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95%e5%85%ac%e5%8f%b8\/\" class=\"_blank\" target=\"_blank\" >Top Central Location Testing Company<\/a><\/h4><div class=\"pt-cv-content\">Top Centra …<\/div><div class=\"pt-cv-rmwrap\"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e9%a1%b6%e7%ba%a7%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95%e5%85%ac%e5%8f%b8\/\" class=\"_blank pt-cv-readmore btn btn-success\" target=\"_blank\" >\u9605\u8bfb\u66f4\u591a\u2026<\/a><\/div><\/div><\/div><\/div><\/div> <\/div> <style>\n#pt-cv-view-0i8f2on2 {text-align: left}\n#pt-cv-view-0i8f2on2 { padding: 0px 0px 0px 10px; }#pt-cv-view-0i8f2on2 .pt-cv-meta-fields { }#pt-cv-view-0i8f2on2 .pt-cv-meta-fields * { font-size: 13px; }.pt-cv-heading-container[data-blockid=\"0i8f2on2\"] { border-color: var(--global-color-9); }.pt-cv-heading-container[data-blockid=\"0i8f2on2\"] * { background-color: var(--global-color-9); }#pt-cv-view-0i8f2on2 .pt-cv-thumb-wrapper:not(.miniwrap) { width: 40%; }#pt-cv-view-0i8f2on2 .pt-cv-thumbnail:not(.pt-cv-thumbnailsm) { height: 200px; }#pt-cv-view-0i8f2on2 .pt-cv-thumb-wrapper { }#pt-cv-view-0i8f2on2[class*=\"cveffect\"] .pt-cv-thumb-wrapper, #pt-cv-view-0i8f2on2:not([class*=\"cveffect\"]) .pt-cv-thumbnail { border-radius: 0px 20px 0px 0px; }#pt-cv-view-0i8f2on2 .pt-cv-thumbnail { }#pt-cv-view-0i8f2on2 .pt-cv-title a { display: block;color: var(u002du002dglobal-color-9); }#pt-cv-view-0i8f2on2 .pt-cv-title:not(.pt-cv-titlesm) a { font-weight: 600;text-decoration: none;font-size: 22px; }#pt-cv-view-0i8f2on2 .pt-cv-titlesm a { font-weight: 600;font-size: 18px; }#pt-cv-view-0i8f2on2 .pt-cv-content { font-size: 15px; }#pt-cv-view-0i8f2on2 .pt-cv-rmwrap { }#pt-cv-view-0i8f2on2 .pt-cv-readmore { color: var(--base-3);background-color: var(--accent);font-weight: 400;text-transform: capitalize;border-style: none;font-family: \"Helvetica\";font-size: 14px;border-radius: 10px 10px 10px 10px; }#pt-cv-view-0i8f2on2 .pt-cv-taxoterm { }#pt-cv-view-0i8f2on2 .pt-cv-taxoterm * { color: #222;background-color: #fff6f6;font-size: 14px; }#pt-cv-view-0i8f2on2 + .pt-cv-pagination-wrapper { }#pt-cv-view-0i8f2on2 + .pt-cv-pagination-wrapper a { font-size: 14px; }#pt-cv-view-0i8f2on2 > .pt-cv-page {grid-template-columns: repeat(2, 1fr);grid-gap: 20px;}#pt-cv-view-0i8f2on2 .pt-cv-rmwrap:hover { }#pt-cv-view-0i8f2on2 .pt-cv-readmore:hover { color: var(--base-3);background-color: var(--global-color-9); }\n@media all and (max-width: 1024px) { \n#pt-cv-view-0i8f2on2 > .pt-cv-page {grid-template-columns: repeat(1, 1fr);}\n} \n@media all and (max-width: 767px) { \n#pt-cv-view-0i8f2on2 > .pt-cv-page {grid-template-columns: repeat(1, 1fr);}\n} <\/style><link href='\/\/fonts.googleapis.com\/css?family=Default' rel='stylesheet' type='text\/css'><link href='\/\/fonts.googleapis.com\/css?family=Helvetica' rel='stylesheet' type='text\/css'>\n\n\n<div style=\"height:55px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Central Location Test (CLT) Solutions – SIS International Central Location Testing Product Tests and Sensory Evaluations in a Controlled Facility SIS runs central location tests at our facility at 11 East 22nd Street in Manhattan’s Flatiron District. The space includes a test kitchen with temperature-controlled product storage, controlled lighting, HD video recording, and one-way mirror … <a title=\"Central Location Tests (CLT) Page\" class=\"read-more\" href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/\" aria-label=\"\u9605\u8bfb Central Location Tests (CLT) Page\">\u91cc\u65af<\/a><\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-84538","page","type-page","status-publish"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Ruth Stanat","author_link":"https:\/\/www.sisinternational.com\/zh\/author\/expert\/"},"uagb_comment_info":0,"uagb_excerpt":"Central Location Test (CLT) Solutions – SIS International Central Location Testing Product Tests and Sensory Evaluations in a Controlled Facility SIS runs central location tests at our facility at 11 East 22nd Street in Manhattan’s Flatiron District. The space includes a test kitchen with temperature-controlled product storage, controlled lighting, HD video recording, and one-way mirror…","_links":{"self":[{"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/pages\/84538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/comments?post=84538"}],"version-history":[{"count":7,"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/pages\/84538\/revisions"}],"predecessor-version":[{"id":85143,"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/pages\/84538\/revisions\/85143"}],"wp:attachment":[{"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/media?parent=84538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":84538,"date":"2026-03-13T01:16:43","date_gmt":"2026-03-13T05:16:43","guid":{"rendered":"https:\/\/www.sisinternational.com\/?page_id=84538"},"modified":"2026-03-27T21:37:33","modified_gmt":"2026-03-28T01:37:33","slug":"central-location-tests-clt-page","status":"publish","type":"page","link":"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/","title":{"rendered":"Central Location Tests (CLT) Page"},"content":{"rendered":"\n\n\n\n \n \n Central Location Test (CLT) Solutions – SIS International<\/title>\n <style>\n html, body { margin: 0; padding: 0; width: 100%; overflow-x: hidden; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: #ffffff; scroll-behavior: smooth; }\n #sis-hero-master-container { box-sizing: border-box; width: 100%; min-height: 80vh; display: flex; justify-content: center; align-items: center; position: relative; padding: 80px 10%; background: linear-gradient(90deg, #ffffff 0%, #f9f9f9 50%, #ffffff 100%); }\n .sis-hero-inner-grid { max-width: 1300px; 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padding: 5px 15px; border-radius: 50px; margin-bottom: 20px; }\n .header h2 { font-size: clamp(2rem, 5vw, 2.8rem); color: #0f172a; margin: 0; }\n .header h2 span { color: #bd8f13; }\n .header p.header-sub { color: #64748b; font-size: 1.05rem; max-width: 720px; margin: 18px auto 0; line-height: 1.7; }\n .bento-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 25px; }\n .card { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px); padding: 40px; border-radius: 24px; border: 1px solid #e2e8f0; transition: all 0.4s ease; }\n .card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.05); border-color: #bd8f13; }\n .card h3 { color: #1e293b; margin-bottom: 15px; font-weight: 700; }\n .card p { color: #64748b; line-height: 1.6; font-size: 0.95rem; }\n @keyframes organicMorph { 0% { transform: rotate(0deg); border-radius: 22% 25% 20% 24%; } 50% { transform: rotate(3deg) scale(1.05); border-radius: 28% 20% 26% 20%; } 100% { transform: rotate(-3deg) scale(0.95); border-radius: 20% 28% 22% 26%; } }\n @keyframes sheen-shift { to { background-position: 200% center; } }\n @keyframes sisFadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }\n @keyframes sisFadeInRight { from { opacity: 0; transform: translateX(50px); } to { opacity: 1; transform: translateX(0); } }\n @media (max-width: 992px) { .sis-hero-inner-grid { grid-template-columns: 1fr; text-align: center; } .sis-hero-subheading { margin: 0 auto; border-left: none; border-top: 4px solid #bd8f13; padding-top: 20px; text-align: left; } .sis-hero-image-wrap { max-width: 450px; margin: 40px auto 0; } }\n <\/style>\n<\/head>\n<body>\n\n\n<div id=\"sis-hero-master-container\">\n <div class=\"sis-hero-inner-grid\">\n <div class=\"sis-hero-content\">\n <div class=\"sis-hero-tag-pill\">Central Location Testing<\/div>\n <h1 class=\"sis-hero-title\">Product Tests and Sensory Evaluations in a Controlled Facility<\/h1>\n <p class=\"sis-hero-subheading\">\n SIS runs central location tests at our facility at 11 East 22nd Street in Manhattan’s Flatiron District. The space includes a test kitchen with temperature-controlled product storage, controlled lighting, HD video recording, and one-way mirror observation. Respondents handle, use, taste, or evaluate physical products under standardized conditions.\n <\/p>\n <p class=\"sis-hero-subheading\">\n CLTs serve food and beverage brands, personal care companies, consumer electronics manufacturers, and CPG firms that need structured feedback from recruited respondents before committing to production or launch.\n <\/p>\n <\/div>\n <div class=\"sis-hero-image-wrap\">\n <img decoding=\"async\" src=\"https:\/\/images.unsplash.com\/photo-1581093588401-fbb62a02f120?auto=format&fit=crop&q=80&w=1200\" \n alt=\"Central Location Test Facility - SIS International\" \n class=\"sis-hero-img-frame\">\n <\/div>\n <\/div>\n<\/div>\n\n\n<section class=\"animated-insights\">\n <div class=\"container\">\n <div class=\"header\">\n <span class=\"badge\">What We Test<\/span>\n <h2>Six CLT Capabilities at <span>Our NYC Facility<\/span><\/h2>\n <p class=\"header-sub\">Each CLT starts with a screener questionnaire that defines who qualifies. SIS recruits from a national respondent database and through direct outreach for specialized audiences. Bilingual moderators on staff (Spanish, Mandarin, German).<\/p>\n <\/div>\n\n <div class=\"bento-grid\">\n\n <div class=\"card\">\n <h3>Taste Tests and Flavor Evaluation<\/h3>\n <p>Respondents evaluate food and beverage products in our test kitchen under controlled temperature, lighting, and serving conditions. SIS uses sequential monadic designs (one product at a time in randomized order) to reduce comparison bias. Rating scales include 9-point hedonic scales for overall liking and JAR (Just About Right) scales for specific attributes like sweetness, texture, and saltiness. Triangle tests identify whether respondents can detect a formulation change.<\/p>\n <\/div>\n\n <div class=\"card\">\n <h3>Personal Care Sensory Testing<\/h3>\n <p>Respondents apply skincare, haircare, fragrance, and cosmetic products and provide structured feedback on texture, scent, absorption, residue, and perceived efficacy. SIS controls application method, product quantity, and environmental conditions to isolate sensory variables. Recent CLT work has included moisturizer texture comparison, shampoo fragrance ranking, and sunscreen application feel across multiple SPF formulations.<\/p>\n <\/div>\n\n <div class=\"card\">\n <h3>Product Prototype Handling<\/h3>\n <p>Consumers interact with physical prototypes of consumer electronics, household appliances, and packaged goods. SIS captures ergonomic feedback (grip, weight, balance), functional assessment (does it work as expected), and aesthetic reactions (materials, finish, color) through structured interview guides. Findings go directly into product gate reviews before tooling and production commitments.<\/p>\n <\/div>\n\n <div class=\"card\">\n <h3>Packaging and Shelf Simulation<\/h3>\n <p>SIS builds simulated shelf sets in the facility to test packaging visibility, findability, and preference against competitive products. Eye-tracking equipment measures where respondents look first, how long they dwell on each package, and which design elements drive pick-up. Research covers primary packaging, secondary packaging, shelf-ready displays, and label hierarchy for regulatory compliance (FDA nutrition facts, EU allergen declarations).<\/p>\n <\/div>\n\n <div class=\"card\">\n <h3>Monadic and Paired Comparison Designs<\/h3>\n <p>SIS designs CLTs using the test structure that matches the research question. Sequential monadic testing evaluates each product independently. Paired comparison forces a choice between two options. Protomonadic designs combine both: independent evaluation followed by direct comparison. Sample sizes are calculated to achieve statistical significance at the confidence level the client’s decision requires, typically 100 to 300 respondents per cell.<\/p>\n <\/div>\n\n <div class=\"card\">\n <h3>High-Volume Recruitment and Throughput<\/h3>\n <p>The Flatiron District facility runs multiple sessions per day. SIS recruits respondents by demographics, purchase behavior, category usage, and brand awareness through our national database. For specialized audiences (physicians evaluating medical devices, engineers assessing industrial components, sommeliers evaluating wine), SIS recruits through direct professional outreach. Typical CLT projects field 150 to 500 respondents over one to two weeks.<\/p>\n <\/div>\n\n <\/div>\n <\/div>\n<\/section>\n\n<\/body>\n<\/html>\n\n\n\n<div style=\"height:61px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n <title>SIS International – Central Location Tests (CLT)<\/title>\n \n <style>\n * { box-sizing: border-box; margin: 0; padding: 0; }\n body { font-family: 'Helvetica Neue', Helvetica, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Arial, sans-serif; -webkit-font-smoothing: antialiased; color: #0f172a; line-height: 1.6; }\n .animate-on-load { opacity: 0; transform: translateY(30px); animation: fadeUp 0.8s cubic-bezier(0.165, 0.84, 0.44, 1) forwards; }\n @keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }\n .delay-1 { animation-delay: 0.1s; } .delay-2 { animation-delay: 0.2s; } .delay-3 { animation-delay: 0.25s; 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color: #ffffff; font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; letter-spacing: -0.01em; transition: color 0.3s ease; }\n .future-content p { color: #e2e8f0; font-size: 1.05rem; line-height: 1.6; margin: 0; }\n\n @media (max-width: 992px) { .sis-pas-widget .cards-wrapper { grid-template-columns: 1fr; } .sis-pas-widget .card { padding: 30px; } .solution-title-wrapper { padding-left: 1.5rem; } .future-item { padding-left: 0; padding-top: 3.5rem; } .futuristic-list::before { left: 24px; top: 0; bottom: 0; } .future-node { top: 0; left: 0; transform: none; } .future-item:hover .future-node { transform: scale(1.1); } .future-item:hover .future-content { transform: translateY(-5px); } }\n <\/style>\n<\/head>\n<body>\n\n \n <section class=\"sis-pas-widget\">\n <div class=\"container\">\n <div class=\"header animate-on-load delay-1\">\n <div class=\"tech-badge\">\n <span class=\"live-dot\"><\/span> HOW SIS RUNS CENTRAL LOCATION TESTS\n <\/div>\n <h2>Three CLT Engagement Types at Our NYC Facility<\/h2>\n <p class=\"header-sub\">Each test is conducted under controlled conditions at 11 East 22nd Street in Manhattan’s Flatiron District. SIS controls lighting, temperature, serving method, and product presentation to isolate the variable being measured. Typically 150 to 500 respondents per project.<\/p>\n <\/div>\n\n <div class=\"cards-wrapper\">\n <div class=\"card animate-on-load delay-2\">\n <div class=\"card-kicker\">CLT TYPE 01 \/\/ FOOD & BEVERAGE<\/div>\n <div class=\"card-sub-kicker\">TASTE TESTS AND SENSORY PROFILING<\/div>\n <div class=\"card-title\">Evaluate Recipes, Formulations, and Flavor Variants<\/div>\n <div class=\"card-desc\">SIS runs blind and branded taste tests in our test kitchen with temperature-controlled product storage and standardized serving protocols. Sequential monadic designs present one product at a time in randomized order to reduce comparison bias. Rating instruments include 9-point hedonic scales for overall liking, JAR (Just About Right) scales for specific attributes (sweetness, saltiness, texture, carbonation), and triangle tests that determine whether respondents can detect a formulation change. Recent CLT work: sparkling water flavor comparison, snack brand reformulation validation, plant-based protein texture assessment.<\/div>\n <\/div>\n\n <div class=\"card animate-on-load delay-3\">\n <div class=\"card-kicker\">CLT TYPE 02 \/\/ PERSONAL CARE & CPG<\/div>\n <div class=\"card-sub-kicker\">PRODUCT HANDLING AND SENSORY EVALUATION<\/div>\n <div class=\"card-title\">Test Texture, Fragrance, and Application Before Production<\/div>\n <div class=\"card-desc\">Respondents apply, handle, or use physical products under controlled conditions. SIS standardizes application quantity, method, and environmental factors (humidity, lighting) to isolate sensory variables. Research captures fragrance preference, texture perception, absorption rate, residue assessment, and perceived efficacy. For packaging CLTs, respondents evaluate open-and-close mechanics, dispense control, and label readability. Recent work: moisturizer texture comparison across three formulations, shampoo fragrance ranking, sunscreen application feel by SPF level.<\/div>\n <\/div>\n\n <div class=\"card animate-on-load delay-4\">\n <div class=\"card-kicker\">CLT TYPE 03 \/\/ PROTOTYPE & CONCEPT<\/div>\n <div class=\"card-sub-kicker\">DESIGN VALIDATION AND SHELF SIMULATION<\/div>\n <div class=\"card-title\">Validate Physical Products and Packaging Before Tooling<\/div>\n <div class=\"card-desc\">SIS builds simulated shelf sets in the facility to test packaging visibility, findability, and preference against competitive products. Eye-tracking measures first fixation, dwell time, and pick-up rate. For product prototypes (electronics, appliances, household goods), respondents evaluate ergonomics, materials, and functionality through structured interview guides. Pricing validation uses Van Westendorp or Gabor-Granger methods calibrated to the competitive set. The output feeds directly into product gate reviews before tooling investment.<\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section class=\"pas-solution-section\">\n <div class=\"solution-container\">\n \n <div class=\"solution-title-wrapper animate-on-load delay-2\">\n <div class=\"solution-kicker\">\n <span class=\"live-dot\"><\/span> WHAT YOU RECEIVE\n <\/div>\n <h3>CLT Findings <span class=\"brand-gold\">Ready for Decision-Making<\/span><\/h3>\n <p class=\"sticky-sub\">Every CLT produces structured data that a product team, R&D director, or brand manager can bring directly into a go\/no-go meeting. SIS handles screener development, recruitment, test design, moderation, data collection, and analysis as a single engagement.<\/p>\n <\/div>\n \n <div class=\"solution-list-wrapper\">\n <div class=\"futuristic-list\">\n \n <div class=\"future-item animate-on-load delay-4\">\n <div class=\"future-node\">01<\/div>\n <div class=\"future-content\">\n <strong>Preference Scores with Statistical Significance<\/strong>\n <p>Hedonic ratings, JAR attribute scores, and paired comparison results calculated at the confidence level the decision requires (typically 90% or 95%). Sample sizes are designed to detect meaningful differences between variants, not just generate a directional signal. The report identifies the winning formulation, variant, or design with supporting evidence.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"future-item animate-on-load delay-5\">\n <div class=\"future-node\">02<\/div>\n <div class=\"future-content\">\n <strong>Formulation and Design Optimization Data<\/strong>\n <p>JAR diagnostics pinpoint where specific attributes need adjustment: too sweet, not crunchy enough, fragrance too strong. Penalty analysis quantifies how much each off-target attribute reduces overall liking. R&D teams use this to prioritize reformulation work by impact rather than by internal opinion.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"future-item animate-on-load delay-6\">\n <div class=\"future-node\">03<\/div>\n <div class=\"future-content\">\n <strong>Packaging Performance Against Competitive Shelf Sets<\/strong>\n <p>Eye-tracking metrics (time to first fixation, total dwell time, pick-up rate) measured in a simulated retail environment with real competitive products on the shelf. Findings show whether the packaging gets noticed, gets picked up, and gets chosen. Tested under conditions that replicate the actual purchase context, not a sterile evaluation.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"future-item animate-on-load delay-7\">\n <div class=\"future-node\">04<\/div>\n <div class=\"future-content\">\n <strong>Pricing Validation Calibrated to the Category<\/strong>\n <p>Van Westendorp price sensitivity analysis or Gabor-Granger demand curves built from responses by category buyers recruited through SIS screeners. The output identifies optimal price point, acceptable price range, and the price ceiling where purchase intent drops. Tested against the specific competitive set the product will face on shelf, not in isolation.<\/p>\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n\n <\/div>\n <\/section>\n\n<\/body>\n<\/html>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p class=\"has-text-align-center has-accent-color has-text-color has-link-color wp-elements-55ea7415170adc30ae38d0fc701de175\"><strong>THE SIS DIFFERENCE<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-global-color-9-color has-text-color has-link-color wp-elements-857f407cc2c3a7fe3a696a894085fe0a\" style=\"font-size:25px\"><strong><strong>Our service offerings include:<\/strong><\/strong><\/p>\n\n\n<div class='pt-cv-wrapper'> <h3 class='pt-cv-heading-container heading5' data-blockid='0i8f2on2'><span class='pt-cv-heading'> Recommended <\/span><\/h3><div class=\"pt-cv-view pt-cv-blockgrid iscvblock iscvreal list1 layout1 cveffect-darken pt-cv-left\" id=\"pt-cv-view-0i8f2on2\"><div 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href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95%e4%b8%8e%e7%84%a6%e7%82%b9%e5%b0%8f%e7%bb%84\/\" class=\"_blank\" target=\"_blank\" >Central Location Tests vs Focus Groups<\/a><\/h4><div class=\"pt-cv-content\">Central Lo …<\/div><div class=\"pt-cv-rmwrap\"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95%e4%b8%8e%e7%84%a6%e7%82%b9%e5%b0%8f%e7%bb%84\/\" class=\"_blank pt-cv-readmore btn btn-success\" target=\"_blank\" >\u9605\u8bfb\u66f4\u591a\u2026<\/a><\/div><\/div><\/div>\n<div class=\" pt-cv-content-item pt-cv-2-col\" data-pid=\"41779\"><div class=\"pt-cv-thumb-wrapper pull-left \"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95-clt-%e5%b8%82%e5%9c%ba%e7%a0%94%e7%a9%b6\/\" class=\"_blank pt-cv-href-thumbnail 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>\u9605\u8bfb\u66f4\u591a\u2026<\/a><\/div><\/div><\/div>\n<div class=\" pt-cv-content-item pt-cv-2-col\" data-pid=\"54504\"><div class=\"pt-cv-thumb-wrapper pull-left \"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e9%a1%b6%e7%ba%a7%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95%e5%85%ac%e5%8f%b8\/\" class=\"_blank pt-cv-href-thumbnail pt-cv-thumb-left\" target=\"_blank\" ><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"430\" src=\"https:\/\/www.sisinternational.com\/wp-content\/uploads\/2018\/05\/Product-testing-1-768x430.jpg\" class=\"pt-cv-thumbnail pull-left\" alt=\"Top Central Location Testing Company\" \/><\/a><div class=\"pt-cv-taxoterm over_top_left\"><\/div><\/div>\n<div class=\"pt-cv-colwrap\"><h4 class=\"pt-cv-title\"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e9%a1%b6%e7%ba%a7%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95%e5%85%ac%e5%8f%b8\/\" class=\"_blank\" target=\"_blank\" >Top Central Location Testing Company<\/a><\/h4><div class=\"pt-cv-content\">Top Centra …<\/div><div class=\"pt-cv-rmwrap\"><a href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/%e9%a1%b6%e7%ba%a7%e4%b8%ad%e5%bf%83%e4%bd%8d%e7%bd%ae%e6%b5%8b%e8%af%95%e5%85%ac%e5%8f%b8\/\" class=\"_blank pt-cv-readmore btn btn-success\" target=\"_blank\" >\u9605\u8bfb\u66f4\u591a\u2026<\/a><\/div><\/div><\/div><\/div><\/div> <\/div> <style>\n#pt-cv-view-0i8f2on2 {text-align: left}\n#pt-cv-view-0i8f2on2 { padding: 0px 0px 0px 10px; }#pt-cv-view-0i8f2on2 .pt-cv-meta-fields { }#pt-cv-view-0i8f2on2 .pt-cv-meta-fields * { font-size: 13px; }.pt-cv-heading-container[data-blockid=\"0i8f2on2\"] { border-color: var(--global-color-9); }.pt-cv-heading-container[data-blockid=\"0i8f2on2\"] * { background-color: var(--global-color-9); }#pt-cv-view-0i8f2on2 .pt-cv-thumb-wrapper:not(.miniwrap) { width: 40%; }#pt-cv-view-0i8f2on2 .pt-cv-thumbnail:not(.pt-cv-thumbnailsm) { 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#fff6f6;font-size: 14px; }#pt-cv-view-0i8f2on2 + .pt-cv-pagination-wrapper { }#pt-cv-view-0i8f2on2 + .pt-cv-pagination-wrapper a { font-size: 14px; }#pt-cv-view-0i8f2on2 > .pt-cv-page {grid-template-columns: repeat(2, 1fr);grid-gap: 20px;}#pt-cv-view-0i8f2on2 .pt-cv-rmwrap:hover { }#pt-cv-view-0i8f2on2 .pt-cv-readmore:hover { color: var(--base-3);background-color: var(--global-color-9); }\n@media all and (max-width: 1024px) { \n#pt-cv-view-0i8f2on2 > .pt-cv-page {grid-template-columns: repeat(1, 1fr);}\n} \n@media all and (max-width: 767px) { \n#pt-cv-view-0i8f2on2 > .pt-cv-page {grid-template-columns: repeat(1, 1fr);}\n} <\/style><link href='\/\/fonts.googleapis.com\/css?family=Default' rel='stylesheet' type='text\/css'><link href='\/\/fonts.googleapis.com\/css?family=Helvetica' rel='stylesheet' type='text\/css'>\n\n\n<div style=\"height:55px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Central Location Test (CLT) Solutions – SIS International Central Location Testing Product Tests and Sensory Evaluations in a Controlled Facility SIS runs central location tests at our facility at 11 East 22nd Street in Manhattan’s Flatiron District. The space includes a test kitchen with temperature-controlled product storage, controlled lighting, HD video recording, and one-way mirror … <a title=\"Central Location Tests (CLT) Page\" class=\"read-more\" href=\"https:\/\/www.sisinternational.com\/zh\/central-location-tests-clt-page\/\" aria-label=\"\u9605\u8bfb Central Location Tests (CLT) Page\">\u91cc\u65af<\/a><\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-84538","page","type-page","status-publish"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Ruth Stanat","author_link":"https:\/\/www.sisinternational.com\/zh\/author\/expert\/"},"uagb_comment_info":0,"uagb_excerpt":"Central Location Test (CLT) Solutions – SIS International Central Location Testing Product Tests and Sensory Evaluations in a Controlled Facility SIS runs central location tests at our facility at 11 East 22nd Street in Manhattan’s Flatiron District. The space includes a test kitchen with temperature-controlled product storage, controlled lighting, HD video recording, and one-way mirror…","_links":{"self":[{"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/pages\/84538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/comments?post=84538"}],"version-history":[{"count":7,"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/pages\/84538\/revisions"}],"predecessor-version":[{"id":85143,"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/pages\/84538\/revisions\/85143"}],"wp:attachment":[{"href":"https:\/\/www.sisinternational.com\/zh\/wp-json\/wp\/v2\/media?parent=84538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}