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Author Question: Choose the correlation coefficient that matches the following types of scales. Both variables are on ... (Read 162 times)

dmcintosh

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on: Jun 20, 2018
Choose the correlation coefficient that matches the following types of scales. Both variables are on an ordinal scale.
 
  a. Pearson's r c. phi coefficient
  b. Spearman rho

Question 2

A researcher investigated the effect of aerobic exercise on depression. He randomly assigned subjects previously identified as depressed to one of three groups. Choose the correct group for each question. Which is the true control group?
 
  a. aerobic exercises five days per week c. no aerobic exercise
  b. aerobic exercises three days per week


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jaygar71

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

B

Answer to Question 2

C


dmcintosh

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Reply 2 on: Jun 20, 2018
Excellent

diana chang

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Reply 3 on: Yesterday
:D TYSM

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