Short Answer

Imagine you are designing a single-subject study to test a new reading intervention with a sample size of N=2N = 2. Apply the defense of generalizability in single-subject research to explain what pattern of results you must demonstrate in your study to argue that your findings will generalize to other students.

Question: Imagine you are designing a single-subject study to test a new reading intervention with a sample size of N=2N = 2. Apply the defense of generalizability in single-subject research to explain what pattern of results you must demonstrate in your study to argue that your findings will generalize to other students.

Sample answer: To argue that the findings generalize to other students, I must demonstrate a strong and consistent effect of the reading intervention across both participants. Showing a large, reliable change in reading performance for both individuals justifies the claim that the effect is robust enough to generalize to the broader population.

Key points:

  • Apply single-subject generalizability logic to a new scenario with N=2N = 2.
  • Specify the need to demonstrate a strong effect.
  • Specify the need to demonstrate a consistent effect across the participants.

Feedback: Your answer should explain that you need to show a strong and consistent effect across both participants to justify the generalizability of your findings.

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Updated 2026-05-27

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Research Methods in Psychology - 4th American Edition @ KPU

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