37-40 Katrina Has Conducted a Study That Examines Entering Children's

Multiple Choice

37.-40. Katrina has conducted a study that examines entering children's social skills. She has first-grade teachers rate students' social skills at the end of first grade. She then compares the scores of students who attended formal Pre-Kindergarten programs with those who did not.
-Of the following, which best describes Katrina's study?

A) Correlational
B) Prospective causal-comparative
C) Retrospective causal-comparative
D) Experimental