Describe the major difference between within-subjects and between subjects designs.

Question 1

  1. Describe the major difference between within-subjects and between subjects designs.
  2. Question 2 Describe how holding the variable constant as a way to keep participant characteristics from becoming confounding variables in between-subjects designs can limit the external validity of the results.

  3. Question 3 What steps can a researcher take to limit the variability within treatments?


  4. Question 4 Why is it important in between-subjects designs to keep the different groups of participants as similar as possible?

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