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Research design

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  • 1. 6-1
  • 2. 6-2 Chapter 6 Research Design: An Overview Prepared by: Mahrukh Sheikh
  • 3. Research design • Research design: refers to the plan, structure, and strategy of research the blueprint that will guide the research process • The test for the quality of a study’s research design is the study’s conclusion validity. conclusion validity: refers to the extent of researcher’s ability to draw accurate conclusions from research 6-3
  • 4. 6-4 Design in the Research Process
  • 5. 6-5 The Degree of Structure Exploratory Study • Loose structure • Expand understanding • Provide insight • Develop hypotheses Formal Study • Precise procedures • Begins with hypotheses • Answers research questions
  • 6. 6-6 The Topical Scope Statistical Study • Breadth • Population inferences • Quantitative • Generalizable findings Case Study • Depth • Detail • Qualitative • Multiple sources of information
  • 7. 6-7 Descriptive Studies When? How much? What? Who? Where?
  • 8. 6-8 Causal Studies Experiment • Study involving the manipulation or control of one or more variables to determine the effect on another variable Ex Post Facto study • After-the-fact report on what happened to the measured variable
  • 9. 6-9 Methods of Data Collection Monitoring Communication
  • 10. 6-10 Approaches for Exploratory Investigations • Interviewing • Participant observation • Film, photographs • Projective techniques • Psychological testing • Case studies • Street ethnography • Elite or expert interviewing • Document analysis • Proxemics and Kinesics
  • 11. 6-11 Common Exploratory Techniques for Research Secondary Data Analysis Focus Groups Experience Surveys
  • 12. 6-12 Experience Surveys • What is being done? • What has been tried in the past with or without success? • How have things changed? • Who is involved in the decisions? • What problem areas can be seen? • Whom can we count on to assist or participate in the research?
  • 13. 6-13 Focus Groups • Group discussion • 6-10 participants • Moderator-led • 90 minutes-2 hours
  • 14. 6-14 Descriptive Studies Descriptions of population characteristics Estimates of frequency of characteristics Discovery of associations among variables
  • 15. 6-15 Causal Studies Asymmetrical Reciprocal Symmetrical
  • 16. 6-16