In many studies that span a long period of time, participants in the study may…

2024

In many studies that span a long period of time, participants in the study may leave. This constitutes which of the following threats to internal validity?

Answer: C. Mortality

  1. A.

    Testing

  2. B.

    Instrumentation

  3. C.

    Mortality

  4. D.

    Maturation

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Correct answer: C

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