Card 28 / 153: You secure a job as the executive director of a family counseling agency. As you go through your fi les you discover that fi ve years before you took the job the agency selected 100 families and counseled them using a strict behaviorist model. The agency took the next group of 100 families and counseled them using Satir’s experiential conjoint family therapy model. Each family received 12 sessions of therapy and each family took a before-and after-assessment that accurately depicted how well the family was functioning. You decide to run a t test to examine whether or not a statistically signifi cant difference is evident between the two approaches. This is
A) an ex post facto (i.e., after the fact) correlation study.
B) causal-comparative or ex post facto (i.e., after the fact) research
C) a true experiment.
D) simple survey research.

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