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Author Question: Low reliability of the variables reduces the correlation coefficient because A) theZscores are ... (Read 18 times)

craiczarry

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on: Jun 20, 2018
Low reliability of the variables reduces the correlation coefficient because
 
  A) theZscores are less likely to follow a normal curve.
  B) thecross-products of the Zscores are less likely to follow a normal curve.
  C) it adds random noise to the computations.
  D) it reduces random influences that would otherwise add to the overall variance.

Question 2

When __________ are summed, the result will always equal zero.
 
  Fill in the blanks with correct word


trog

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Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

deviation scores


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