Solved

Evaluating Operational Definitions Alyssa Is Studying the Effectiveness of a New

Question 55

Multiple Choice

Evaluating Operational Definitions Alyssa is studying the effectiveness of a new method of strength training.
If she measures the experimental group before "happy hour" and the control
Group after "happy hour," her results would be confounded by a ____ threat.


A) history
B) maturation
C) selection
D) testing

Correct Answer:

verifed

Verified

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

Related Questions