Instructions: Determine the appropriate sampling approach matched to the proposed research projects.
For each of the three proposed research scenarios below (Questions 1-3), work together to briefly NAME and then describe an appropriate sampling approach to use for the purposes mentioned below. Additionally, just for Questions 1 and 2 below, you also need to specify which study design (e.g. case-control study, cohort study, RCT, or any other study design) you would use to conduct this investigation. Again, you need to name and describe the best sampling approaches (one answer per question) to use to conduct each of the three investigations mentioned below, and then also specify (just for questions 1 and 2) which study design you would use.
Then for question 4 below, just answer that question.
1) We need to estimate the prevalence of diabetes (ever) by county, across the U.S.A.
Study Design (Name):
Sampling Approach (Name and Describe):
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2) We want to determine if vitamin supplements reduce the risk of cardiovascular disease.
Study Design (Name):
Sampling Approach (Name and Describe):
3) We want to conduct a focus group (FG) study examining different barrier/facilitating factors associated with access to and use of health care services among members of different immigrant groups in a large urban area. If choosing purposeful sampling, please specify a particular purposeful sampling approach (e.g., criterion sampling, confirming/disconfirming, homogenous sampling, etc.)
1
Sampling Approach (Name and Describe):
4) We are conducting an in-depth interview (IDI) study seeking to understand individuals’ perspectives on the opposite sides of the ‘pro-choice/pro-life’ abortion debate in different types of college settings. If choosing purposeful sampling, please specify a particular purposeful sampling approach (e.g., criterion sampling, confirming/disconfirming, homogenous sampling, etc.)
