Training and selection panel
13 important questions on Training and selection panel
Which considerations do you need to make, when looking at recruitment?
- Internal or external?
- Age 20-55
- ca. Twice the number of subjects needed
- because a lot will be lost
For the basic selection people need to do tests for sensory ability. What kind of tests?
- Basic tastes
- Taste intensity ranking
- Smell recognition
- Smell memory
- Naming / creativity
- Color blindness
What kind of rapid tests are available?
- Taste strips: taste detection and recognition (paper strips)
- UPSIT: smell identification test
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Training for descriptive panel, what needs to be done?
- Attribute specific training
- Reference materials
- Training on intensity scale (repeatability)
You panel needs to perform well over time, that is why training, evaluation and monitoring is necessary
What is a panel leader?
- he or she is the direct contact point for all panellists. This means the panel leader is not only involved in panel discussion, training and sensory evaluation but also in monitoring agreements within the panel performance of the panel and keeping the panel motivated.
In what type of roles need the panel leader be able to step in? And what kind of person is he/she
- Passive facilitator (e.g. QDA)
- Detective leader (e.g. Spectrum)
The panel leader needs to be flexible to be able to change between roles
- Non-judgmental
- Ability to motivate
- Sensitive and assertive
- Communication skills
- Diplomatic
The panel leader has responsibilities to make sure that the performance of the panel is not disturbed or biassed by anything. Therefore he or she has to make sure the panellists follow instructions and general rules that are made
What kind of rules/instructions?
- No eating, drinking or smoking
- No perfume, lipstick or nailpolish
- Indicate if having cold, feeling tired
- Punctuality
- Follow instructions
What does the panel leader needs to do when looking at maintenance and motivation
- Sequential analysis: long-term performance
- Feedback on performance (individual + panel)
Motivation
- Test frequency / difficulty
- Reward and attention
- Feedback
- Team building
What is the role of the panel leading in the test protocol (planning sensory tests)
- Aim of the study
- Handling and preparation of samples
- Expected sensory variation
- Setting limits for including samples
- Experimental sample design
Pre-trails
- select sensory test
- select products
The organisation of attributes of lexicons / sensory wheels are according to:
- Sensory modality
- Similarities in meaning
- Production faults (positive/negative)
What are the criteria for collecting the right attributes?
- Discriminating between samples
- Non-redundant (niet naar hard en zacht vragen)
- Relevant to product/problem
- Cognitively clear (unambiguous) (no misunderstanding)
- Non-hedonic
What are the purposes of using reference materials?
- Illustrate attribute meaning
- Increase panel consensus
- Increase long-term repeatability
What types of reference materials can be used?
- Real products
- Artificial products
- Chemicals
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