Introduction to Sensory Science
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Questions and Answers

Sensory science only measures the responses of machines and not humans.

False

Cultural differences can influence people's sensory preferences.

True

Variability in sensory measurements is generally smaller in humans compared to machines.

False

In sensory evaluations, the context can affect how a product is perceived.

<p>True</p> Signup and view all the answers

Descriptive analysis in sensory science involves listing different attributes and their intensities.

<p>True</p> Signup and view all the answers

In hedonic tests, participants are trained to assess flavor intensity.

<p>False</p> Signup and view all the answers

The 'blue dress' versus 'gold dress' phenomenon illustrates the complexity of sensory perception.

<p>True</p> Signup and view all the answers

Sensory science aims to simplify sensory evaluations to one sense at a time.

<p>False</p> Signup and view all the answers

Study Notes

Sensory Science Introduction

  • Sensory science measures how humans perceive and react to products.
  • Data collection involves asking people to describe their feelings and perceptions about products.
  • Sensory science measures the results of a product on a subject.
  • Ex: Perception of what something looks like, tastes like, smells like etc.
  • People's experience may differ even when presented with the same product.
  • Human diversity and cultural differences significantly influence sensory perception.
  • Sensitivity to different components varies in humans compared to machines.
  • Variability in human responses can be addressed through trained sensory panels.
  • Training may not always be necessary if the goal is merely determining if a person likes a product.
  • Variations in products (e.g., same fruit, but from different sources) impact perceived qualities.
  • Context, like other co-existing products, affects how people perceive a product.
  • Control of evaluation conditions is crucial to accurately assess sensory response.
  • Sensory interactions among components in a product necessitate careful testing.
  • Product features like color alteration or different compounds can alter perception of taste or smell of a product.
  • Multiple senses are regularly used together.
  • Separating the various senses for analysis is very difficult.
  • Several sensory measures exist with differing approaches.

Sensory Evaluation Methods and Techniques

  • Balanced presentation order: Minimizing order effects in sensory testing.
  • Individual evaluations: Each person assesses stimuli separately.
  • Careful sample preparation: Ensuring consistent stimuli.
  • Controlled evaluation context: Controlling surrounding factors impacting evaluation.
  • Proper training for personnel if using trained panels.
  • Pure monadic tests: Each participant evaluates only one product.
  • Monadic sequential tests: Participants evaluate samples one after another in a session or over multiple sessions.
  • Comparative tests: Participants evaluate multiple samples simultaneously.
  • Important to manage order effects and carry-over effects when designing sensory experiments.
  • Sensory, and marketing, approaches may differ in their goals.
  • Methods for evaluation that consider product branding and marketing.
  • Product appeal, and sensory experience, differ significantly in various environments (e.g., at a restaurant versus when eating in a lab setting).
  • Researchers test products in natural settings and carefully measure differences or similarities.
  • Data collection methods should be carefully considered before data collection.
  • Three-way dataset for data collection: judges, attributes, products.

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Description

This quiz explores the fundamentals of sensory science, focusing on how humans perceive and react to various products. It highlights the role of individual differences, cultural influences, and training in sensory perception. Additionally, the impact of product variability and evaluation conditions on human responses is discussed.

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