IE577_lecture4

IE577_lecture4 - IE/PSY 577 Session 4 Research Design...

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IE/PSY 577 Session 4 Research Design
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IE/PSY 577 Session 4 Research Methods Descriptive Methods Naturalistic (Field) Observation Surveys and Questionnaires Numerous others 2 Correlational Research Differential Research Experimental Methods Between-Subject Designs Within-Subject Designs Complex Designs
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IE/PSY 577 Session 4 Field Observation Description Careful, usually prolonged observation of behavior without irect intervention 3 direct intervention Focuses on real-world interactions with a product or system Example The actions of an aircraft crew are observed unobtrusively and recorded
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IE/PSY 577 Session 4 Field Observation Advantage Minimizes artificiality Provides a good starting place to 4 gather information about use of a product or system in the real-world context Disadvantage Often difficult to remain unobtrusive Can’t explain why certain patterns of behavior were observed
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IE/PSY 577 Session 4 Interview Description Method of gathering information in which the interviewer asks users uestions 5 questions Two types: structured and unstructured Example Asking users their opinions about various aspects of an interface
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IE/PSY 577 Session 4 Interview Advantages Can gather data on difficult-to- observe aspects of behavior 6 Can get users to elaborate on points Has a qualitative focus Disadvantage Subject bias Experimenter bias
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IE/PSY 577 Session 4 Survey and Questionnaire
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IE577_lecture4 - IE/PSY 577 Session 4 Research Design...

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