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Author Question: Posttest-only control groups are not commonly used because a) They only require one experimental ... (Read 26 times)

Jramos095

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on: Jun 22, 2018
Posttest-only control groups are not commonly used because
 
  a) They only require one experimental group.
  b) They do not control for threats to internal validity.
  c) Test sensitization problems
  d) They cannot expose a before and after picture.

Question 2

Posttest-only control groups are used to
 
  a) Reduce reactivity to a pretest
  b) Determine the effect of a treatment on a control group
  c) Establish the strength of the posttest measure
  d) Evaluate randomized controlled trials


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cegalasso

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Correct Answer: d

Answer to Question 2

Correct Answer: a


Jramos095

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  • Posts: 528
Reply 2 on: Jun 22, 2018
YES! Correct, THANKS for helping me on my review

daiying98

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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