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MMLU / A psychologist obtains a statistically significant F-ratio for the interaction…

Problem

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question

A psychologist obtains a statistically significant F-ratio for the interaction between two independent variables. This means that:

choices

  1. the effects of one variable are significant across all levels of the second variable.
  2. the effects of one variable are contingent on the level of the second variable.
  3. the main effects of both variables are statistically significant.
  4. the two variables are statistically significant only when considered jointly.

subject

professional_psychology

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Source and history

Official source

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