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Author Question: In a crossover effect, regression to the mean is an unlikely alternative hypothesis because A) ... (Read 71 times)

michelleunicorn

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on: Aug 4, 2018
In a crossover effect, regression to the mean is an unlikely alternative hypothesis because
 
  A) regression to the mean does not operate in quasi-experimental designs.
  B) participants are not selected on the basis of extreme scores in nonequivalent control-group designs.
  C) a crossover effect occurs prior to any statistical analyses.
  D) the experimental group increased, not only to the mean of the control group, but changed beyond it.

Question 2

In one possible outcome of a nonequivalent control-group design, the control group did NOT change but the experimental group, which initially scored lower than the control group, scored much higher than the control group at posttest. This is called a
 
  A) confound due to selection.
  B) crossover effect.
  C) criss-cross effect.
  D) serendipitous finding.


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fraziera112

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

Answer: D

Answer to Question 2

Answer: B


michelleunicorn

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Reply #2 on: Aug 4, 2018
TY


fraziera112

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Reply #3 on: Aug 4, 2018
You're welcome


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