research design
DESCRIPTION
TRANSCRIPT
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Chapter 6
Research Design: An Overview
Prepared by: Mahrukh Sheikh
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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
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Design in the Research Process
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The Degree of Structure
Exploratory Study• Loose structure• Expand understanding• Provide insight• Develop hypotheses
Formal Study• Precise procedures• Begins with hypotheses• Answers research questions
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The Topical Scope
Statistical Study• Breadth• Population inferences• Quantitative• Generalizable findings
Case Study• Depth• Detail• Qualitative• Multiple sources of information
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Descriptive Studies
When?When?
How much?How much? What?What?
Who?
Where?
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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
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Methods of Data Collection
Monitoring Communication
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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
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Common Exploratory Techniques for Research
Secondary Data
Analysis
Secondary Data
Analysis
Focus GroupsFocus
Groups
Experience Surveys
Experience Surveys
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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?
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Focus Groups
• Group discussion• 6-10 participants• Moderator-led• 90 minutes-2 hours
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Descriptive Studies
Descriptions of population
characteristics
Descriptions of population
characteristics
Estimates of frequency of
characteristics
Estimates of frequency of
characteristics
Discovery of associations among
variables
Discovery of associations among
variables
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Causal Studies
AsymmetricalAsymmetrical
ReciprocalReciprocal
SymmetricalSymmetrical
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