Discrimination tests done right: The power of the Haystack Discrimination Panel

Why discrimination testing matters

Discrimination tests answer a very fundamental question: Is there a perceivable difference between products?
Whether it’s a reformulation, supplier change, cost optimization, or shelf-life check, understanding if a difference exists and whether it is detectable, is critical before moving forward.

When executed well, discrimination testing helps companies

• De-risk formulation or process changes
• Support quality control decisions
• Confirm equivalence or catch unwanted differences
• Make faster, more confident go/no-go decision

From operational burden to strategic advantage

By outsourcing discrimination testing to a dedicated, screened panel, companies can shift their focus from logistics to insights. The Haystack Discrimination Panel transforms discrimination testing from a time-consuming internal task into a fast, efficient, and budget-efficient, expert-supported process, delivering dependable results exactly when decisions matter most.

Screened, ready, and fast!

The Haystack Discrimination Panel consists of a large pool of screened consumers, carefully selected based on their sensory sensitivity. All panel members undergo screening tests for basic taste sensitivity, odor recognition, and color vision, ensuring they are capable of detecting subtle differences.

Because this panel is already established and maintained, studies can be set up and executed at very short notice. This makes the panel particularly valuable when timelines are tight or when unexpected questions arise during development or production.

Key benefits include:

• Rapid study organization
• Consistent, reliable data
• Reduced internal workload
• Independent, unbiased participants

A flexible toolkit of discrimination methods

Using the Haystack Discrimination Panel, we can run a range of commonly used discrimination tests, depending on the research question:

• Triangle test: participants identify the odd sample out of three; ideal for detecting overall differences.‍
• Tetrad test: four samples are grouped into two pairs, offering higher statistical power.
• 2-out-of-5 test: participants identify two matching samples out of five; useful when differences are subtle.
• 2-AFC (Two-Alternative Forced Choice): participants choose which of two samples shows more of a specified attribute.‍
• R-Index: measures the probability of discrimination, particularly suited for quality control and monitoring.

Selecting the right test ensures that results are both statistically sound and decision-ready.

For example: imagine you have reformulated a recipe using a more cost-effective ingredient. Before rolling it out, you want to know whether consumers will actually notice the difference. A triangle test answers exactly that question, quickly and reliably, using the Haystack Discrimination Panel.

Need answers fast? Let’s get started

Discrimination testing doesn’t have to slow you down. With the Haystack Discrimination Panel, you gain access to screened consumers, proven methods, and expert guidance, all available on short notice. Whether it’s quality control, reformulation, or innovation support, we’re ready when you are. Get in touch and let’s put discrimination testing to work for you.

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