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Author Question: What is one of the primary advantages of a pretest-posttest nonequivalent control group design, in ... (Read 193 times)

notis

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on: Jun 19, 2018
What is one of the primary advantages of a pretest-posttest nonequivalent control group design, in comparison to other nonequivalent group designs?
 
  a. Posttest scores can help reduce threats from history effects.
  b. Posttest scores can eliminate threats from history effects.
  c. Pretest scores can help reduce the threat of assignment bias.
  d. Pretest scores can eliminate the threat of assignment bias.

Question 2

If potential participants live in a widely dispersed area, a(n) ____ is preferable.
 
  a. personal interview
  b. e-mail questionnaire
  c. group questionnaire
  d. drop-off survey


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Pamela.irrgang@yahoo.com

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Reply #1 on: Jun 19, 2018
Answer to Question 1

c

Answer to Question 2

b


notis

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Reply 2 on: Jun 19, 2018
Great answer, keep it coming :)

jomama

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Reply 3 on: Yesterday
Excellent

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