Facility and protocol

Question 1

What are adaptation factors?

Answer 1

How a body reacts and adjusts to constant stimuli

Question 2

When does adaptation occur?

Answer 2

When exposure to a stimulus decreases responsiveness to the stimulus or other stimuli

Question 3

What are carry-over effect factors?

Answer 3

Short term adaptation that causes change in sensitivity

Question 4

What is an example of carry-over effect?

Answer 4

Eating a strong sweet sample, then a weak sample and not tasting sweetness

Question 5

How can carry-over effect be prevented?

Answer 5

Breaks, palate cleanser, low number of samples

Question 6

What are the 3 perceptual interactions?

Answer 6

Enhancement
Suppression
Physical condition

Question 7

What is enhancement?

Answer 7

Presence of one substance increases perceived intensity of another

Question 8

What is suppression?

Answer 8

Presence of one substance decreases perceived intensity of another

Question 9

How can enhancement and suppression be avoided?

Answer 9

Exposure to only one stimulus

Question 10

What is physical condition?

Answer 10

Sensory perception altered by physical changes

Question 11

What are some physical changes that can change perception of stimulus?

Answer 11

Medication
Age
Hormonal changes
Hunger
Time of day

Question 12

What is expectation error?

Answer 12

Information associated with the sample triggers impression to product

Question 13

What is suggestion error?

Answer 13

Comments and noises influencing judgement

Question 14

What is distraction error?

Answer 14

Distraction by environment or personal preoccupation

Question 15

What is stimulus and logical error?

Answer 15

Using additional information to make a judgement

Question 16

How can stimulus and logical error be avoided?

Answer 16

Random 3 digit codes and consistent characteristics between samples

Question 17

What is halo effect?

Answer 17

Evaluating more than one attribute may effect another attribute

Question 18

How is halo effect prevented?

Answer 18

Trained assessors
One attribute at a time

Question 19

What is attribute dumping?

Answer 19

Limited choice of attributes received

Question 19

What is habituation error?

Answer 19

Assessors scoring similar products and missing the differences in samples

Question 20

How can habituation be prevented?

Answer 20

Varying samples
Include spiked sample

Question 21

What is order effect?

Answer 21

Score assigned to sample based on previous products

Question 22

How can order effect be avoided?

Answer 22

Randomising sample orders

Question 23

What is central tendency error?

Answer 23

Assessors avoid using extreme ratings

Question 24

How can central tendency error be avoided?

Answer 24

Wide product range Trained scale use

Question 25

What is motivation error?

Answer 25

Lack of motivation causing assessors to rate based on how they feel

Question 26

What are the 3 main controls?

Answer 26

Sensory facilities Product controls Panellist controls

Question 27

What are the controls for sensory facilities?

Answer 27

Size Location Well lit Opaque, neutral walls Controlled temperature

Question 28

What are some product controls?

Answer 28

Odour-free equipment Consistent portion size Serving temperature Coding Random order of presentation

Question 29

What are the panellist controls?

Answer 29

Training Scheduling Sensible personal habits