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Lecture

Class 4. Research Design Qualitative vs Quantitative.docx

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Department
Social Sciences
Course
SCS2150
Professor
Stephanie Mullen
Semester
Winter

Description
Qualitative vs. Quantitative Research Designs Objectives • Understanding the Steps in Research Design • Understanding how Qual. & Quant. research differ by each Step in Research Design • Understand the difference in Quantitative and Qualitative Research What is Research Design? • “Research design provides the glue that holds the research project together. A design is used to structure the research, to show how all of the major parts of the research project -- the samples or groups, measures, treatments or programs, and methods of assignment -- work together to try to address the central research questions.” Steps in Research Design • 1. Identify the problem. [lit. review & causal model] • 2. Hypothesize the cause of the problem. [H1 & H0] • 3. Provide clear definitions of the concepts [variables]. • 4. Operationalize the concepts [indicators]. • 5. Gather empirical data. • 6. Test the hypothesis or hypotheses. • 7. Reflect back on theory. • 8. Publicize the results. • 9. Replicate the results. Step 1: Type of Research Question • Exploratory Research - “What” questions fall into this category of research. (Qualitative) • Descriptive Research - “Who” “Where” “When” & “How” questions fall into this type of research category. (Quantitative [survey] & Qualitative [observation etc]) • Explanatory Research - “Why” research questions. (Questions about causality –Quantitative [experiment]) Step 2: Hypothesis • What is the purpose of the research? Quantitative Qualitative • - To explain & predict - To describe & explain • - To confirm & validate - To explore & interpret • - To test theory To build theory • Logical approach, • Certainty to findings Step 3 & 4: Variable
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