Solved

To Ensure Internal Validity of a Pretest-Posttest Design, You Must

Question 44

Multiple Choice

To ensure internal validity of a pretest-posttest design, you must:


A) include a large sample of subjects.
B) include control groups that are not exposed to your treatment.
C) conduct your research in your subjects' natural environment.
D) All of the answers are correct.

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions