The greater the degree of control that a researcher has over the ____, the more a study approximates a true experiment.
A) subjects in the sample
B) moderator variables
C) independent variable
D) dependent variable

Question

Quizplus · Accepted Answer

Control over the independent variable is a key characteristic of a true experiment. The independent variable is what is being manipulated by the researcher, so having more control over it will lead to stronger conclusions about cause and effect relationships. The other choices, while also important in experimental design, are not as directly related to achieving control and precision in the study.

The Greater the Degree of Control That a Researcher Has