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Intoxication and its effect on the perception of beauty

Materials

The materials required for the science fair project:

-    100 photos of young men aged between 18 to 25 years old
-    100 photos of young women aged between 18 to 25 years old
-    40 bottles of beer
-    5 male participants (age 20 to 25)
-    5 female participants (age 20 to 25)

Procedure

1.    For this science fair project, the independent variable is the number of bottles of beer drunk by the participants. The dependent variable is the "attractiveness rating" of the faces in the photos. This is determined by asking the participant to rate the attractiveness of the people in the photos when are sober and once more after becoming intoxicated. The constants (control variables) are the type of beer used and the photos, as well as the size of the photos.

2.    Give each of the 10 participants the same 100 photos showing faces of the opposite sex. The photos should have a mixture of attractive (rated 10) to not so attractive faces (rated 1). Ask them to rate each of the faces in the photos on a scale of 1 to 10. The unattractive faces will be rated 1 and the good looking faces 10. Select 4 faces in the photos that were rated only 1 or 2 by the participants and put them aside.

3.    The next day,  continue the experiment, this time, giving the participants bottles of beer to drink. After they have consumed each bottle of beer, show each participant a photo they had earlier rated as 1 or 2 (not so attractive) and request for them to rate the attractiveness again. Record the 4 "new" ratings given by the participants for the same photo in a table, as shown below.

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Complexity level:
6
Project cost (\$):
100
Time required:
1 hour for preparation, 1 day for experiment
Material availability:
Easily found - however, you will need to
Safety concerns:

Ensure that the participants are given a safe ride home. None of them should be permitted to drive. Ensure all consent forms are obtained prior to the experiment