A critical difference between quasi-experimental/correlational investigations and experiments is that only __________.
A) true experiments examine real-world questions
B) quasi-experimental/correlational investigations study real-world questions
C) experiments involve a change or manipulation
D) correlational and quasi-experimental investigations involve a change or manipulation

Question

Quizplus · Accepted Answer

The critical difference between quasi-experimental/correlational investigations and experiments is that experiments involve a change or manipulation of an independent variable while quasi-experimental/correlational investigations do not manipulate variables. Therefore, only C is the correct answer.

A Critical Difference Between Quasi-Experimental/correlational Investigations and Experiments Is That