Identifying the Independent Variable
Dr. Patel conducts an experiment in which participants are shown a happy movie, a sad movie, or no movie in a classroom setting. Afterward, they complete a survey assessing their willingness to adopt a pet from an animal shelter. In this experiment, what is the independent variable?
A
The participants' willingness to adopt a pet
B
The participants
C
The duration of the movie
D
The location of the classroom
E
The type of movie viewed
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