Ralph Conducts an Experiment in Which He Measures Aggression in School

Multiple Choice

Ralph conducts an experiment in which he measures aggression in school children at different levels of temperature during recess.The independent and dependent variables are ________________.

A) the experiment; the levels of temperature
B) the school children; the levels of temperature
C) the levels of temperature; the level of aggression
D) the level of aggression; the time of recess.
E) the time of recess; the level of aggression