An experiment in which the independent variable really caused the change in the dependent variable is said to be high in _________ validity.
A) internal
B) external
C) construct
D) criterion

Question

Quizplus · Accepted Answer

Internal validity refers to the degree to which a study accurately measures the relationship between the independent variable and the dependent variable, without any other confounding factors. Therefore, if the independent variable truly caused the change in the dependent variable in an experiment, it is considered high in internal validity.

An Experiment in Which the Independent Variable Really Caused the Change