Sensory testing methods

Question 1

Duo-trio

Answer 1

Get X and A and B. Which sample is most similar to X?

Question 2

A-not-A test

Answer 2

Get A and X. Is X the same or different than A.

Question 3

Triangle test

Answer 3

Get A and B and A/B. Which one is the odd one out?

Question 4

Same-difference test

Answer 4

Get A/B and A/B. Are the samples the same or different?

Question 5

Reversed duo-trio test

Answer 5

Get A and B and X. Is X equal to A or B

Question 6

Tetrad test

Answer 6

Get 2xA and 2xB, which are grouped together?

Question 7

What is the difference from control test?

Answer 7

Measure the magnitude of difference on a scale

Question 8

What is the two out of five test?

Answer 8

Get 5 samples. Group into 2 and 3 (specific attribute)

Question 9

What is the Harris Kalmus test?

Answer 9

Get 8 samples. Group into 2x4 (specific attribute)

Question 10

What is the paired comparison test?

Answer 10

Get two samples. Which is the most crunchy (specific attribute)

Question 11

What is the 3-alternative forced-choice test?

Answer 11

Get three samples. Which is the odd one out (specific attribute)?

Question 12

What is the texture profile method? What is it based on?

Answer 12

Based on flavor-profile method. Fixed vocabulary. Intensity scales labelled with references. Need high degree of training.

Question 13

What is the spectrum method?

Answer 13

Texture profile method but with all sensory modalities

Question 14

What is the flavour-profile method?

Answer 14

Trained panel discuss flavour attributes and come to consensus

Question 15

What is the QDA?

Answer 15

A quantitative descriptive analysis based on flavor profile method. For all modalities. N=10-12. Attribute generation by panel beforehand. Only comparison.

Question 16

What is the TI method?

Answer 16

Time intensity method. Trained panelists rate the intensity of one attribute over time.

Question 17

What is the TDS?

Answer 17

Temporal dominance of sensations. Ask consumers which given attributes are the most dominant over time.

Question 18

What is the TCATA method?

Answer 18

Temporal check all that apply method. Same as CATA but then over time.

Question 19

What is the flash profile method?

Answer 19

Rank the intensity of own attributes and put in rank per attribute

Question 20

What is the CATA method?

Answer 20

Check all that apply. Consumers check all attributes that apply.

Question 21

What is the sorting method?

Answer 21

Put products in similarity groups (can add labels)

Question 22

What is napping?

Answer 22

Very quick placement of products on a napkin according to similarities.

Question 23

What is the paired preference test?

Answer 23

Get two samples and tell which one you prefer