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Nonexperimental Research Designs and Case Studies

Explore the various nonexperimental research designs including case studies, population surveys, epidemiological research, observational research, and archival research. Learn about their limitations, confounds, and methods of measurement.

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Nonexperimental Research Designs and Case Studies

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  1. Chapter 6 Nonexperimental Research Designs

  2. Case Studies • The case of Phineas Gage • The case of Stephen D. • Really, really late night with Peter Tripp • The life and very hard times of Sarah • The man who forgot his wife and his hat • What makes a case study scientific?

  3. Single-Variable Research • Population surveys • Epidemiological research • Research on public opinion • Limitations and drawbacks of population surveys • Single-variable convenience samples

  4. Multiple-Variable Research • Correlational methods • Person confounds • Environmental confounds • Operational confounds • Reminder about reverse causality

  5. Archival Research • Aggression on the playing field • Copycat suicides • Race and the legal system • Internal and external validity of archival research • Limitations of archival data

  6. Observational Research • Unobtrusive measurement • Speeding cars and hatching chicks

  7. Confounds Can Be Measured Too! • Measuring a known confound is a step toward robbing it of its power • Treat the confound as a variable of interest

  8. Case studies Census Population survey Public opinion research Epidemiological research Marketing research Archival research Observational research Correlational methods Cluster sampling Sampling error Unobtrusive measurement Third variable problem Person confounds Environmental confounds Operational confounds Longitudinal design Key Terms from Chapter 6

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