OBJECTIVES: By the end of this article, the reader/medical student will be able to;
1. Understand the difference between qualitative and quantitative study designs
2. Describe the sampling and sample size determination criteria used in quantitative study designs
INTRODUCTION: This is a second approach to enquiry in the medical sciences that is rooted in rationalism. Recently we were looking at Qualitative research and to be different, this type follows a structured, rigid, predetermined methodology and believes in having a narrow focus. It also, emphasizes greater sample size, and aims to quantify the variation in a phenomenon, and tries to make generalisations to the total population.
SAMPLING AND SAMPLE SIZE STRATEGIES IN QUANTITATIVE RESEARCH: In quantitative research, the sample size must be predetermined unlike with qualitative type of research. As we have seen earlier, since we need a large number of participants, we tend to use statistical formulae.
RELATED;
3. HOW TO WRITE A MEDICAL RESEARCH PROPOSAL
5. STRATEGIES FOR DETERMINING SAMPLE SIZE
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