the role of a psychology intern – Essaylink

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Week Five Homework Exercise

Answer the following questions, covering material from Ch. 11 of the Methods in Behavioral Research text:

  1. What are single-case designs and when are they most useful?
  1. How may a researcher enhance the generalizability of the results of a single case design?
  1. What is the relationship between quasi-experiments and confounding variables? Provide an example
  1. Provide examples of: one-group posttest designs and one-group pretest and posttest designs. What are the limitations of each?
  1. Provide examples of non-equivalent control group designs. What are the advantages of having a control group?
  1. What is a quasi-experimental research design? Why would a researcher use a quasi-experimental design rather than a true experimental design?
  1. What is the difference between a cross-sectional and a longitudinal study? What is a sequential study? Which of these designs is most vulnerable to cohort effects? Which design is most vulnerable to the effects of attrition?
  1. What are the differences between: needs assessment, program assessment, process evaluation, outcome evaluation, and efficacy assessment? Why is program evaluation important to the field?
  1. A researcher wants to investigate patriotic behavior across the lifespan. She samples people in the following age groups: 18–28, 29–39, 40–50, 51–60, and 61 and above. All participants are interviewed and asked to complete questionnaires and rating scales about patriotic behavior. This type of developmental research design is called ________________. What is the primary disadvantage of this type of design? Explain.

The Hawthorne Effect

Use the table below to answer the following. Be sure to write in complete sentences.

  • Investigate the history of the Hawthorne Effect and discuss why it is important for researchers to know about this phenomenon.
  • Brainstorm ways that researchers can eliminate this confound.
History and definition of Hawthorne Effect
Example of Hawthorne Effect
Why is it important for researchers to know about this?
Strategies to avoid the Hawthorne Effect (at least two)

What We Have Learned About Logistic Regression

Discuss what you have learned about logistic regression. If this  method applies to your current or future research plans, include these  speculations in your discussion.

You may want to discuss such aspects as the logic of the method,  the primary purposes of the method, the various steps involved,  different methods of performing the method, and so on. Other points of  interest related to logistic regression are certainly welcome here.

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