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Explain why the large sample size of N=500N = 500 does not guarantee that the study's findings will generalize to the office environment. What critical relationship must the researchers evaluate instead to determine if their results apply to the target environment?

Case context: A research team investigates how distraction affects task focus. They recruit a large sample of N=500N = 500 participants to complete a computer-based attention task inside a quiet, windowless laboratory cubicle while listening to a steady, rhythmic metronome sound. The researchers plan to apply their findings to understand how employees maintain focus in open-plan office spaces characterized by fluctuating conversations, ringing phones, and visual movements.

Question: Explain why the large sample size of N=500N = 500 does not guarantee that the study's findings will generalize to the office environment. What critical relationship must the researchers evaluate instead to determine if their results apply to the target environment?

Sample answer: The large sample size of N=500N = 500 does not guarantee generalizability because the ability to generalize depends on the similarity of the situations studied to the target real-world situations. A quiet laboratory cubicle with a rhythmic metronome is highly controlled and lacks the diverse, complex distractions of a real-world open-plan office. To determine if their results apply, the researchers must evaluate the similarity between the experimental laboratory context and the actual, varied real-world office situations they want to generalize to.

Key points:

  • A large participant sample size alone does not ensure external validity across situations.
  • Generalizing findings requires situational similarity between the study context and the real world.
  • Controlled settings (like a cubicle with a metronome) present challenges when applying results to diverse settings (like a busy office).

Rubric: A correct response must explain that sample size does not resolve situational differences. It must explain that situational generalization requires similarity between the research context and the target real-world environment. Finally, it must apply this by comparing the controlled lab cubicle to the busy open-plan office.

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Updated 2026-05-27

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Research Methods in Psychology - 4th American Edition @ KPU

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