Association of Social Work Boards Masters (ASWB MSW) Practice Exam

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What is the focus of external validity?

  1. How generalizable the inferences are to the general population

  2. The accuracy of measurements within the study

  3. The consistency of results across different studies

  4. The impact of the intervention on the study subjects only

The correct answer is: How generalizable the inferences are to the general population

The focus of external validity is to determine how generalizable the findings of a study are to the larger population. This means that the results can be applied to other individuals or situations beyond those specifically studied. Option B is incorrect because the accuracy of measurements within a study falls under the umbrella of internal validity, which focuses on the accuracy and precision of a study's methods and results. Option C is incorrect because while consistency of results is important, it is not the main focus of external validity. Option D is incorrect because the impact of the intervention on the study subjects only would fall under the scope of internal validity, rather than external validity.