Multiple Choice
Wally wants to see if room temperature affects happiness.He invites participants to the laboratory,where half are seated for 20 minutes in a booth held at a constant 19 degrees,and the other half are seated in an identical booth for 20 minutes at a constant 29 degrees.Wally then asks members of each group to rate their level of happiness.What is the independent variable in this experiment?
A) the number of participants
B) the elapsed time
C) the temperature of the booths
D) the rating of happiness
Correct Answer:
Verified
Correct Answer:
Verified
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