A Researcher Studies the Effect of Three, 1-Hour Counseling Sessions

A researcher studies the effect of three, 1-hour counseling sessions on eliminating bullying behaviors in teenagers. For the dependent variable, the researcher selects the outcome of being reported to the principal's office in the 2 weeks following the sessions. The sample consists of the 18 high schools in a large metropolitan area. The results of the research are dismissed by reviewers as meaningless, severely limiting generalization. What is the problem here?

A) Construct validity limitations
B) Not enough independent variables
C) External validity limitations
D) Inadequate sample size

Correct Answer:

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