A true experiment must have all of the following EXCEPT ______.
A)an experimental group
B)at least one comparison group
C)variation of the independent variable before assessment of change in the dependent variable
D)a measurement of the dependent variable before treatment

Question

Quizplus · Accepted Answer

A true experiment requires an experimental group, at least one comparison group, and variation of the independent variable before assessing change in the dependent variable. However, measuring the dependent variable before treatment is not a necessity for all true experiments; this is more specific to pretest-posttest designs rather than a requirement for all experimental designs.

A True Experiment Must Have All of the Following EXCEPT