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Knowledge clips Flashcards

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1
Q

What is adaptation?

A

You won’t smell it anymore after long exposure

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2
Q

What is sensitization?

A

Chilli becomes hotter when chewing on it

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3
Q

What is desensitization?

A

Exposure over long time period decreased effect

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4
Q

What is intensity suppression?

A

Mixture of odours when one of them becomes less perceivable

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5
Q

Suppression release

A

When you are adapted to one odour, suppression is the other way around

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6
Q

Synergy

A

One taste enhances the intensity of the other

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7
Q

What is the difference between a complete and incomplete design?

A

With a complete design, all subjects get all samples.

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8
Q

When would you use the spit out method?

A

With alcohol or analytical tests

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9
Q

When would you use the swallow method?

A

When testing aftertest or hedonics

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10
Q

How do you call it when there is no signal and the participant says yes?

A

False alarm

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11
Q

How do you call it when there is no signal and the participant says no?

A

Correct rejection

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12
Q

How do you call it when there is a signal and the participant says yes?

A

Hit

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13
Q

How do you call it when there is a signal and the participant says no?

A

Miss

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14
Q

How do you calculate d-prime?

A

Z (hits) - Z (false alarm)

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15
Q

What is the JND?

A

Just noticeable difference, when a difference can be detected in 50% of the cases.

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16
Q

What is the method of limits?

A

Same as the staircase method, but with one sample

17
Q

What is the ascending forced-choice procedure?

A

Similar to the staircase method but only upwards

18
Q

What is the JAR scale?

A

The Just about right scale can measure the degree of desirability on a visual scale.

19
Q

What is the context effect?

A

When the judgement is relative to the environment

20
Q

What is the contrast effect?

A

A bias where it matters what is next to the product (bread is perceived saltier when the salt is not evenly distributed)

21
Q

What is the adaptation level theory?

A

People can get used to a low salt diet, then everything is perceived as saltier

22
Q

What is the assimilation effect?

A

Packaging can affect taste ratings

23
Q

What is the halo effect?

A

The correlation of positive attributes. Added vanilla flavour also increased creamy attributes.

24
Q

What is the horns effect?

A

Opposite of halo effect. Negative attributes are correlated.

25
Q

What is the dumping effect?

A

When there are not enough attributes, people will for example dump fruity flavour on the sweetness attribute.

26
Q

What is the range frequency theory?

A

People will subdivide the scale into equal segments and use these segments the same number of times.

27
Q

What is centring bias?

A

People do not like the ends of scales.

Sensory science (4 decks)

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