Please refer to the instructions below.
-Answer the questions provided below.
-In your response, make sure to indicate which question you are answering.
-Submissions should be written in a scholarly manner using the 6th Edition of the APA Manual.
-It is expected that you will incorporate course readings. Additional resources should be included to support your responses to the questions if applicable.
-Both of your assigned NINR Landmark studies should be evaluated by all questions presented.
QUESTIONS
What were the methods of subject selection? Were they appropriate for the study?
Discuss issues related to sample size and its relationship to the purpose of the study.
How well were the subjects described?
Question
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The Analysis of Sampling Used in the Cardiovascular Health in Children StudyThe study of Harell et al. (1996) was set to determine if school-based intervention could reduce cardiovascular disease (CVD) risk factors in children. The authors performed the study having in mind target population of all school children in the United States. However, due to acceptable practice (Polit & Beck, 2014), the researchers worked with accessible population. The selection method used was quota sampling, a variant of non-probability sampling. First, sampling was performed at the school level. The authors identify six strata of schools based on three geographic regions and urban or rural setting. Two schools were randomly selected from...
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