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Reasonable interpretation of results

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A researcher conducts an experiment on human memory and recruits 15 people to participate in her study. She performs the experiment and analyzes the results. She uses a t-test for a mean and obtains a p-value of 0.17.

Which of the following is a reasonable interpretation of her results?

  1. This proves that her experimental treatment has no effect on memory.
  2. If there is a treatment effect, the sample size was too small to detect it.
  3. She should reject the null hypothesis.
  4. There is evidence of a small effect on memory by her experimental treatment.

Reference no: EM132188580

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