Strong experimental research designs differ from quasi-experimental research designs in that in quasi-experimental research designs:
A) There are more participants involved in the study.
B) Ruling out rival hypotheses is more difficult
C) Participants experience many more manipulations of the independent variable
D) Random assignment is always used

Question

Quizplus · Accepted Answer

Quasi-experimental designs lack random assignment, making it harder to rule out rival hypotheses and establish causality compared to strong experimental designs.

Strong Experimental Research Designs Differ from Quasi-Experimental Research Designs in That