In an experiment, researchers exposed half the children to 2 hours of violence on television every day for a month and made sure the other half saw no violence on television at all. At the end of the month, they measured the level of aggressiveness in the children. What is(are) the independent variable(s)?

Question

Quizplus · Accepted Answer

The independent variable in this experiment is the amount of violence watched on television, since this is the variable that the researchers are manipulating to see if it has an effect on the dependent variable (level of aggressiveness). The other options listed (level of aggressiveness at the end of the month, both variables together, and the children) are not independent variables, since they are either being measured or are a constant factor in the experiment.

In an Experiment, Researchers Exposed Half the Children to 2