Sampling peer response
Sampling methods and sizes
Whether quantitative or qualitative research is being conducted, the sample size must be a good representation of what is being researched and large enough to yield the results needed (EL-MASRI, 2017). The sample size can be randomly selected (probability sampling) or carefully based on specific criteria. Quantitative research is statistical and allows the researcher to select a larger, more extensive, and diverse population (Gray et al., 2017).
On the other hand, qualitative research tends to have a smaller sample size since it relies more on open-ended questions about the personâ€™s ideas, personal experiences, and descriptions of events using non-numerical data (Gray et al., 2017).
Chosen sampling method and reason
The sampling method that I would use to conduct my study on collaborative care for patients with mental illness and comorbidities would be probability sampling (Gray et al., 2017). Probability sampling (randomized sampling) allows for randomly selecting a group of people from a specific population. This type of sampling is less time-consuming, cost-effective, and minimizes the risk of biased sampling (Gray et al., 2017). Probability sampling can be further categorized as simple random sampling, stratified random sampling, systematic sampling, cluster sampling, and multistage sampling (Bhardwaj, 2019).
Determining the sample type and size
I would start my study with Stratified Random Sampling. My sample would include Physicians and Mental Health Professionals from primary care practice, hospitals, and community centers. I would specify the classifications, such as age, gender, religion, race, etc., and make sure that the variables match the studyâ€™s objectives (Bhardwaj, 2019). I would assign a unique number to each person, separate the Physicians and Therapists into two groups, my strata groups, and randomly draw 50 numbers from each group. Studies show that results are higher when your sample elements are chosen from a specific strata (Bhardwaj, 2019).
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