2

Question 1

What is the Independent Variable?

Answer 1

Variations of Odor
(pleasant [cologne/geranium],

unpleasant [body odor/rubber], or neutral [clean medical air])

Attractiveness of the image (high or low)

Question 2

The Dependent Variable?

Answer 2

rating of perceived attractiveness of male faces (1-9 scale with 1 lowest and 9 highest)

Question 3

What is the Procedure?

Answer 3

Participants sat 27 ½ inches from computer screen utilizing a chin rest to view the 5×7 image

Told to look at the ‘X’ focal point on the screen

Hearing the ‘quiet tone’- Ps start exhaling via nose

Hearing the ‘loud tone’- Ps start inhaling via nose

Odor then delivered where the participant confirmed the scent by pushing a button on the keyboard

1 second later, a face appears for a ½ second
Screen then goes black, clean air pumped in again

Question 4

What happens at the end of the procedure?

Answer 4

A 9-point scale was then presented on the screen for the Ps to rate the facial attractiveness of the pic
1 least attractive, 5 neutral, 9 most attractive
After rating selection, process started over…

Question 5

When was clean medical air presented?

Answer 5

Clean medical air was presented throughout the trials except when the odorant was delivered

Question 6

When were the Participants given a break?

Answer 6

Ps given a 5 minute break after each trial to limit fatigue and/or olfactory adaptation

Question 7

What happened at the end of the experimental session?

Answer 7

Ps were asked to smell the odors individually and rate each on intensity, pleasantness, & familiarity from 0-100 Labeled Magnitude Scale