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Define power and identify six factors that influence power

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Question: Define power and identify six factors that influence power.

• In hypothesis testing, power is the probability that a sample selected at random will show that the null hypothesis is false when the null hypothesis is indeed false.

• To increase the power of detecting an effect in a given population:

a. Increase effect size (d), sample size (n), and alpha (a).

b. Decrease beta error (!3), population standard deviation (cr), and standard error ( cr M)

Reference no: EM131672855

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