Nimby Did an Evaluation Research Study of the Impact of After-School

Multiple Choice

Nimby did an evaluation research study of the impact of after-school programs within schools on the delinquency rates of pre-teens.He was careful to identify what he meant by after-school programs.As part of his study,he examined the changes in availability of after-school programs outside of schools as well as changes in enforcement of delinquency laws.His careful attention to identifying what he meant by after-school programs reflects

A) cost-benefit analysis.
B) time-series analysis.
C) specifying the intervention.
D) specifying the population.
E) verifying validity