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Author Question: If participants get tired because the testing session is too long, that fatigue is considered to be ... (Read 33 times)

Brittanyd9008

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on: Jun 19, 2018
If participants get tired because the testing session is too long, that fatigue is considered to be a _____ effect.
 
  a. treatment c. testing
  b. history d. maturation

Question 2

The null hypothesis in a pretest posttest experiment states that feedback does not improve performance. The correct alternative hypothesis for this experiment is _____.
 
  a. feedback affects performance c. feedback reduces performance
  b. feedback improves performance d. any of these


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Zebsrer

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

D
Fatigue is an internal change that occurs because of the passage of time.

Answer to Question 2

B
When the null hypothesis is directional, the alternative hypothesis should be directional and in the same direction.


Brittanyd9008

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Reply 2 on: Jun 19, 2018
YES! Correct, THANKS for helping me on my review

robbielu01

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

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