A researcher is testing the effects of a new medication on men's baldness. Two baldness clinics are recruited for the study. One clinic group receives the medication and the other group receives a placebo. The researcher is concerned about the effects of age on outcomes and includes age as a second IV. The overall research approach is:
A) Randomized experimental
B) Quasi-experimental
C) Comparative
D) Associational

Question

Quizplus · Accepted Answer

This study design is quasi-experimental because the groups were not randomly assigned (the clinics were recruited separately) and age is being included as a second IV which is typically not possible in a randomized experimental design.

A Researcher Is Testing the Effects of a New Medication