Experimental Psychology 433

  1. If the chance factors creating the difference is less than the alpha value (.05) then...
    We reject the null hypothesis (Ho)
  2. If the Null is true and we retain the Null, then we have made...
    The correct decision
  3. If the Null is true, but we reject the Null, we have made...
    A Type I error
  4. If the Null is false, but we retain the Null, then it is...
    A Type II error
  5. If the Null is False, and we reject the Null, then we have made...
    A correct decision.
  6. When you find something in the results, but it never was there in the first place is called...
    A Type I error
  7. What is the ability to reject the null hypothesis?
    Statistical Power
  8. How do you attain Statistical Power?
    Increase your sample size
  9. 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
  10. The three ways that increase Statistical Power have an effect on what?
    1 - beta
  11. Magnitude of the effect is called...
    Eta (η)
  12. If the p = .08 then we?
    Failed to reject the Null Hypothesis.
  13. When you reject the Null Hypothesis, what does that mean?
    It means that there is Significance.
  14. D-Prime is...
    How sensitive the observer is to two different types of results
Card Set
Experimental Psychology 433
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