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Stephanie conducts an experiment to learn if brunettes have more fun. she has three brunette female friends and three blonde female friends go to the same party and record how many times they are asked to dance. in her experiment, stephanie has defined her as the number of times the friends were asked to dance, and her as hair color.
a) independent variable; extraneous variable
b) extraneous variable; dependent variable
c) independent variable; dependent variable
d) dependent variable; independent variable

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