The treatment effect is measured as:

Question

Quizplus · Accepted Answer

The treatment effect refers to the difference between the scores of the experimental and control groups on the dependent variable. This indicates the impact that the independent variable (the treatment) had on the outcome measure. Choice A is incorrect because the treatment effect isn't based on the difference between the groups on the independent variable, but rather on the dependent variable. Choice B is incorrect because the treatment effect is not based on the difference between the independent and dependent variables – they are separate concepts. Choice D is incorrect because the treatment effect is not based on the difference between the independent variable and confounding variables, although these variables can influence the treatment effect if not controlled for.

The Treatment Effect Is Measured As