Statistical Interpretation
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EPPP KNOWLEDGE · FLASHCARDS
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QUESTION
What is the definition of a Type I error (
α
\alpha
α
) in hypothesis testing?
QUESTION
What is the definition of statistical power in null hypothesis significance testing?
QUESTION
Which change generally increases power: increasing sample size
n
n
n
or decreasing
n
n
n
?
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ANSWER
Increasing
n
n
n
increases power. Larger samples reduce standard error, improving the precision and likelihood of detecting true effects.
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