Please read the article (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3123437/) a

Question

Please read the article (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3123437/) and answer the below questions.

Explain the sampling method used in the study.

Describe the research design.

Comment in detail on whether the study was ethical or not.

Violent and/or aggressive behavior is an abstract concept. How was this concept measured?

What are the major findings of the study?

How would you rate the internal and external validity in this study? High, low, or not applicable?

How might the study’s findings inform criminal justice policy in particular, and social policy more broadly?

Explanation / Answer

Explain the sampling method used in the study.

Non-probability Sampling

Since such non-probability sampling methods are based on human choice rather than random selection, statistical theory cannot explain how they might behave and potential sources of bias are rampant.

Violent and/or aggressive behavior is an abstract concept. How was this concept measured?

Violent or aggressive behavior is an abstract concept.

This concept was measured under (demographics, health behaviors, use of school resources, developmental assets, and risk factors)

What are the major findings of the study?

peer violence perpetration, immigrants, youth

Violent/aggressive behavior

Immigration variables

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