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Question 1

What is the Design of the Experiment?

Answer 1

Lab design- within-participants repeated measures design

Experimental session consisted of 3 blocks of 40 randomized trials (3 sets × 40 faces = 120 total)

Question 2

How were the photos presented?

Answer 2

Each face was randomly presented 3 times during each experimental session (once with pleasant odor, once with unpleasant odor, & once with neutral odor)

Question 3

How did they counterbalance the presentation of each face/odor combination

Answer 3

the 40 faces were divided into sub-groups of 10 each-

5 high and 5 low attractiveness per group (next slide)
Presented with one different pleasant-unpleasant odor combo

Question 4

Was the Same odor used?

Answer 4

Same odor was never presented on consecutive trials

Experiment lasted about 50 minutes total