Quasi-experiments are studies that involve____.
A) reliance on surveys and naturalistic observations
B) random assignment, but no manipulation of the main variables
C) random sampling, but no manipulation of the main variables
D) manipulation of the main variables, but no random assignment

Question

Quizplus · Accepted Answer

Quasi-experiments involve manipulation of the main variables, but lack random assignment. This is usually due to ethical, practical, or logistical reasons that prevent random assignment from being feasible. Surveys and naturalistic observations are not necessary for quasi-experiments, and random sampling is not sufficient for identifying causality.

Quasi-Experiments Are Studies That Involve____