The most common reason for the use of quasi-experimental research designs is that
A) the participants are maturing too rapidly.
B) the dependent variable cannot be measured reliably.
C) it is unethical to manipulate the independent variable .
D) participants cannot be randomly assigned to groups.

Question

Quizplus · Accepted Answer

Quasi-experimental designs are often used when random assignment to groups is not possible, making it difficult to establish causality as in true experiments.

The Most Common Reason for the Use of Quasi-Experimental Research