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If the chance factors creating the difference is less than the alpha value (.05) then...
We reject the null hypothesis (Ho)
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If the Null is true and we retain the Null, then we have made...
The correct decision
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If the Null is true, but we reject the Null, we have made...
A Type I error
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If the Null is false, but we retain the Null, then it is...
A Type II error
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If the Null is False, and we reject the Null, then we have made...
A correct decision.
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When you find something in the results, but it never was there in the first place is called...
A Type I error
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What is the ability to reject the null hypothesis?
Statistical Power
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How do you attain Statistical Power?
Increase your sample size
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What are the three ways to increase statistical power?
- Increase the number of subjects
- Increase the effect of size (strength of IV)
- Decrease error variability
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The three ways that increase Statistical Power have an effect on what?
1 - beta
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Magnitude of the effect is called...
Eta (η)
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If the p = .08 then we?
Failed to reject the Null Hypothesis.
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When you reject the Null Hypothesis, what does that mean?
It means that there is Significance.
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D-Prime is...
How sensitive the observer is to two different types of results
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