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Author Question: An independent-measures study produces sample means of M1 = 20 and M2 = 17 . If both samples have n ... (Read 77 times)

tuffie

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on: Jun 20, 2018
An independent-measures study produces sample means of M1 = 20 and M2 = 17 . If both samples have n = 18 scores and Cohen's d = 0.50, what is the value for the pooled variance?
 
  a. 2 c. 6
  b. 4 d. 36

Question 2

An independent-measures study produces sample means of M1 = 20 and M2 = 17, and a pooled variance of 9 . For this study, what is the value of Cohen's d?
 
  a. 3/3
  b. 3/9
  c. 3
  d. Impossible to determine without knowing the sample sizes


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brittrenee

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

D

Answer to Question 2

A


tuffie

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Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

amynguyen1221

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Reply 3 on: Yesterday
Excellent

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