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Author Question: Confounding due to maturation is controlled by A) limiting participants to a one sex only. B) ... (Read 20 times)

ssal

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on: Aug 4, 2018
Confounding due to maturation is controlled by
 
  A) limiting participants to a one sex only.
  B) preventing attrition during the study.
  C) employing a posttest.
  D) having the experimental and control groups equivalent at the beginning of the study.

Question 2

In an experiment, the independent variable
 
  A) must be measured at least twice.
  B) is observed rather than manipulated.
  C) must vary across conditions.
  D) needs to be held constant across conditions.


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Viet Thy

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

Answer: D

Answer to Question 2

Answer: C


ssal

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Reply #2 on: Aug 4, 2018
Thanks


Viet Thy

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Reply #3 on: Aug 4, 2018
Welcome :)


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