Stephanie Conducts an Experiment to Learn If Brunettes Have More

Multiple Choice

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 colour.

A) independent variable;extraneous variable
B) extraneous variable;dependent variable
C) independent variable;dependent variable
D) dependent variable;independent variable