In an experiment that examined the effects of room temperature on aggression, systematic variance would be caused by
A)error variance.
B)participants' personalities.
C)aggression.
D)differences in temperature.

Question

Quizplus · Accepted Answer

Systematic variance in an experiment refers to the variation in the data that is directly attributable to the variable being manipulated by the researcher. In this case, since the experiment is examining the effects of room temperature on aggression, the differences in temperature are the manipulated variable, and thus, any variance caused by these differences would be considered systematic variance.

In an Experiment That Examined the Effects of Room Temperature