10
QuizMultiple Choice

Statistical Issues

Question 10 • MO-Psychology

Which statement about the relationship between statistical power and statistical probability is true?

Answer
A
There is an indirect relationship between statistical power and statistical probability.
B
Statistical probability is not influenced by statistical power.
C
As statistical probability increases, statistical power decreases.
D
A statistical test having high power also has high probability for finding significant support.

Explanation

Statistical power is the probability that a test will detect a real effect and produce a statistically significant result when the effect exists. Therefore, a test with high power has a high probability of finding significant support for that effect. This probability is not guaranteed to be 100%, but it is higher when power is high.

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