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6. Which type of tests have to be equal to or less than the critical value to be significant?

  • Spearman's Rho and sign test
  • Chi-squared and Pearson's r
  • Wilcoxon and Mann-Whitney
  • Unrelated t-test and related t-test

7. What is test-retest reliability?

  • Testing the participant and then the researcher
  • Testing the same person twice
  • Testing two people once each
  • Testing the researcher and then the participant

8. What is the probability of significance that is usually used in psychology?

  • <0.05%
  • 0.05%
  • <0.01%
  • 0.01%

9. Which hypothesis states the amount of the difference expected?

  • Two-tailed hypothesis
  • The experimental hypothesis
  • One-tailed hypothesis
  • The null hypothesis

10. What is a type 2 error?

  • A false positive - experimental hypothesis is accepted when results were not due to chance
  • A false positive - experimental hypothesis is accepted when results were due to chance
  • A false negative - null hypothesis is accepted when results were not due to chance
  • A false negative - null hypothesis is accepted when results were due to chance