In terms of internal validity (i.e., least vulnerable to internal validity threats is first, most vulnerable is last), experimental methods, correlational methods, and quasi-experimental methods would be organized as:
A) experimental quasi-experimental = correlational
B) experimental = quasi-experimental correlational
C) experimental = correlational quasi-experimental
D) experimental quasi-experimental correlational

Question

In terms of internal validity (i.e., least vulnerable to internal validity threats is first, most vulnerable is last), experimental methods, correlational methods, and quasi-experimental methods would be organized as:
A) experimental > quasi-experimental = correlational
B) experimental = quasi-experimental > correlational
C) experimental = correlational > quasi-experimental
D) experimental > quasi-experimental > correlational

Quizplus · Accepted Answer

The Answer is D

In Terms of Internal Validity (I