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Author Question: Extraneous variance in a study A) is unwanted. B) is highly desirable. C) is desirable in some ... (Read 118 times)

Bob-Dole

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on: Aug 4, 2018
Extraneous variance in a study
 
  A) is unwanted.
  B) is highly desirable.
  C) is desirable in some circumstances.
  D) has no impact on the chances of getting statistical significance.

Question 2

Controls are necessary to
 
  A) reduce extraneous variation.
  B) enhance extraneous, between-groups variation.
  C) neutralize all differences between groups.
  D) increase within-groups variation.


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dudman123

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Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


Bob-Dole

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Reply 2 on: Aug 4, 2018
YES! Correct, THANKS for helping me on my review

dawsa925

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Reply 3 on: Yesterday
Wow, this really help

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