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Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions
Published on: June 21, 2019
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Variations in consumer acceptance, sensory engagement and method practicality across three remote consumer-testing
Marta Albiol Tapia1, Soo-Yeun Lee1
1Department of Food Science and Human Nutrition, University of Illinois Urbana-Champaign, 905 S. Goodwin Ave, Urbana, IL 61801, USA.
Summary
Remote sensory testing for food products is feasible. A written protocol method is recommended for consumer taste tests, offering similar product acceptance and engagement with less researcher time compared to live or video-guided sessions.
Area of Science:
- Food Science
- Consumer Behavior
- Sensory Analysis
Background:
- The COVID-19 pandemic disrupted traditional in-person sensory testing.
- Existing literature lacks consensus on remote versus in-person sensory test methodologies.
- Interactive video conferencing shows potential for enhancing panelist engagement.
Purpose of the Study:
- To compare three remote consumer testing methods: live Zoom, asynchronous video, and written protocol.
- To evaluate sample acceptance, sensory engagement, and method practicality.
- To identify the most effective remote sensory testing approach for food products.
Main Methods:
- Eighty-four participants evaluated five chocolate-chip cookie products.
- Products were rated using a 9-point hedonic scale across three conditions: synchronous Zoom, asynchronous video, and written protocol.
- Participant engagement and time spent were recorded.
Main Results:
- No significant differences in sample liking patterns were observed across the three remote testing methods.
- Panelist engagement scores indicated the written protocol method minimized distraction and disinterest.
- No significant differences in test completion time were found between methods.
Conclusions:
- Remote consumer testing is a viable alternative for sensory evaluation.
- The written protocol method is recommended for its efficiency and comparable results.
- This method offers practical advantages for researchers conducting sensory studies remotely.
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