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Author Question: A two-tailed hypothesis is _____. a. nondirectional c. directional b. bidirectional d. ... (Read 181 times)

Awilson837

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on: Jun 19, 2018
A two-tailed hypothesis is _____.
 
  a. nondirectional c. directional
  b. bidirectional d. confusing

Question 2

One form that a directional hypothesis could take would be to state that the mean of the treatment group _____ the mean of the control group.
 
  a. is the same as c. is more variable than
  b. is not the same as d. is higher than


katkat_flores

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

A
Another name for a nondirectional hypothesis is two-tailed hypothesis because it includes changes in the dependent variable that occur in either direction.

Answer to Question 2

D
A directional hypothesis states the direction of the expected change. One form that this takes is to indicate which group mean is expected to be higher than the other.


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Awilson837

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Reply #2 on: Jun 19, 2018
Thank you!


katkat_flores

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Reply #3 on: Jun 19, 2018
Happy to help


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