A Psychologist Examines the Effect of a New Therapy by First

Multiple Choice

A psychologist examines the effect of a new therapy by first assessing patients' symptoms using a pretest,then administering eight weeks of therapy,and then administering a posttest.Based on this research design,the psychologists will be able to

A) make a causal claim about whether the treatment is effective.
B) make a claim about the applicability of the treatment to other potential patients.
C) both (A) and (B)
D) neither (A) nor (B)