Ali is a graduate student who is designing a study to examine the impact of weather on mood. Which of the following would be an appropriate operational definition of her dependent variable?
A) number of rainy days compared with number of sunny days across the study period
B) average daily temperature measured in Fahrenheit
C) participants' ratings on a self-report mood scale
D) a background measure of how happy participants are prior to participation
Correct Answer:
Verified
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