Issues in significance test
5 important questions on Issues in significance test
What is an effect size?
What is Cohen's D effect size
What happens to t if N increases and d holding contstant?
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What does the magnitude of a P value or the phrase statistically significant by it self say?
Which 3 factors that influence power for type II error?
2. As sample size increases, risk for type II error power decreases and statistical power increases.
3. As population effect size such as Cohen's d increases, risk for type II error power decreases and statistical power increases.
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