Learning Objectives

  • Explain the difference between a treatment and a level. What is another word for treatment? For level?
     
  • Explain the relationship between the sensitivity of the IV and the number of cells required by the design. What are the advantages to having more levels of the IV? Any disadvantages?
     
  • In your own words, explain what an interaction effect is.
     
  • What kinds of challenges do you potentially face if you have a design with three IVs?
     
  • What are the similarities and differences between a randomized groups design and a matched groups design?
     
  • What are the differences between planned and unplanned comparisons? In general, which is preferable and why?
     
  • What are some of the challenges in creating your own stimuli to use in research? Where can you look for free images to use in research? What is the purpose of a photo release form?
     
  • When is MANOVA the appropriate approach with multiple dependent variables? If MANOVA is not appropriate, what analyses will you do?
     
  • Why is factor analysis described as a data reduction technique? Explain how factors can be used in data analyses.