Multiple Choice
A researcher wants to assess the effects of varying amounts of alcohol on ratings of perception of friendliness. Three groups of people are given either 1, 2, or 3 beers to drink. Three more groups of people are given either 1, 2, or 3 non-alcoholic beers to drink. Then, all participants are shown a series of pictures of people's faces and are asked to rank the perceived friendliness of each face on a scale from 1 to 10. In this experiment, the independent variable is:
A) the number of groups.
B) the amount of alcohol consumed.
C) the pictures of faces.
D) ratings of perceived friendliness.
Correct Answer:
Verified
Correct Answer:
Verified
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