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 at test for a mean and obtains ap value of 0 17 Which of the following is a reasonable interpretation of her results This suggests that her experimental treatment has no effect on memory If there is a treatment effect, the sample size was too small to detect it She should reject the null hypothesis There is evidence of a small effect on memory by her experimental treatment

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Question: 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.

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 at-test for a mean and obtains ap-value of 0.17.

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

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

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