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

C) the temperature of the booths

Psychology

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According to the _____, a more frequent behavior can serve as a reinforcer for a less frequent behavior

A) ?response deprivation hypothesis B) ?behavioral bliss point approach C) ?CAM theory D) ?Premack principle

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From its beginning, The No Child Left Behind Act has been

a. controversial. b. well-accepted. c. applauded by educators. d. applauded by parents.

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