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EPPP Psychology

Category - Research Methods and Statistics

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There are four possible outcomes of a researcher’s decision to accept or reject the null hypothesis. A correct decision wherein the null hypothesis is rejected is called power. Which of the following values does power have an inverse relationship with?

Alpha
Beta
Standard error of the mean
z-score

Explanation

Answer: B - Power has an inverse relationship with the beta value (specifically, power=1-beta). Beta corresponds to the probability of making a type II error and is different for every experiment.

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EPPP Psychology

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