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Author Question: In a crossover effect, maturation is an unlikely alternative hypothesis because A) maturation ... (Read 127 times)

skymedlock

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on: Aug 4, 2018
In a crossover effect, maturation is an unlikely alternative hypothesis because
 
  A) maturation cannot affect the control group.
  B) maturation cannot affect the experimental group.
  C) if maturation were responsible, it is unlikely that the effect would markedly differ for both groups.
  D) it is likely that both groups mature at a different rate.

Question 2

Causality is inferred in a nonequivalent control-group design when
 
  A) the control group remains essentially the same from pretreatment to post-treatment measures but the experimental group changes markedly in the predicted direction.
  B) the experimental group remains essentially the same from pretreatment to post-treatment measures but the control group changes markedly in the predicted direction.
  C) the control group and the experimental group remain essentially the same from pretreatment to post-treatment measures.
  D) the control group and the experimental group change markedly in the predicted direction.


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sultansheikh

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

Answer: C

Answer to Question 2

Answer: A


skymedlock

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Reply 2 on: Aug 4, 2018
:D TYSM

EAN94

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Reply 3 on: Yesterday
Gracias!

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