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Author Question: To measure test-retest reliability of an instrument, a researcher may use the a. Cronbach alpha ... (Read 36 times)

stevenposner

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on: Jul 8, 2018
To measure test-retest reliability of an instrument, a researcher may use the
 
  a. Cronbach alpha coefficient.
  b. Fischer's exact test.
  c. Kuder-Richardson score.
  d. Pearson's correlation statistic.

Question 2

Which describes an outlier?
 
  a. A data point with a value outside what is predicted by other data points
  b. Any data point far from the median point, but still within 2 standard deviations from the mean.
  c. A study result that is directly attributable to randomness.
  d. A study score from a subject lost to attrition after the study begins.


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Kdiggy

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Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: D

Answer to Question 2

ANS: A


stevenposner

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Reply 2 on: Jul 8, 2018
YES! Correct, THANKS for helping me on my review

vickybb89

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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