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Exploring Experiments Lab Assignment #4 Due May 9, 2008

In this assignment, students are required to locate an empirical journal article that uses an experimental design and critically analyze it. They will complete slides addressing the purpose of the research, variables of interest, participant assignment, threats to internal, construct, external validity, threats to statistical conclusion validity, and suggestions for improvement. The assignment is due on May 9, 2008.

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Exploring Experiments Lab Assignment #4 Due May 9, 2008

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  1. Exploring ExperimentsLab Assignment #4Due May 9, 2008 Locate an empirical journal article that employs an experimental design. Closely critique the article by completing the following slides. You should hand in your responses by printing the slides six to a page. Be sure to include a copy of the article with your assignment.

  2. Purpose of Research

  3. Brief summary of article(2-4 sentences)

  4. Variables of interest • The Independent Variables (causes) • The Dependent Variables (outcomes) • The Covariates

  5. Participant assignment

  6. Cook and Campbell’s UTOS • Units: • Treatment: • Observations: • Setting:

  7. Threats to Internal Validity

  8. Threats to Construct Validity

  9. Threats to External Validity

  10. Threats to Statistical Conclusion Validity

  11. Improving the research

  12. Any additional comments?

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