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Author Question: In a study on the effects of exercise on stress, researchers predict that there will be a difference ... (Read 78 times)

clippers!

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on: Jun 19, 2018
In a study on the effects of exercise on stress, researchers predict that there will be a difference in stress level between the exercise and no exercise groups. The researchers are using a _____ hypothesis.
 
  a. two-tailed
  b. directional
  c. one-tailed
  d. one-tailed (also called directional)

Question 2

In a study on the effects of amount of sleep on driving performance, researchers predict that those in the group that is allowed more sleep will exhibit better driving performance. The researchers are using a _____ hypothesis.
 
  a. two-tailed
  b. directional
  c. one-tailed
  d. one-tailed (also called directional)


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nothere

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

a

Answer to Question 2

d


clippers!

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Reply 2 on: Jun 19, 2018
Wow, this really help

bblaney

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Reply 3 on: Yesterday
Excellent

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