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Author Question: The null hypothesis for an experiment is that salt content does not affect thirst. The correct ... (Read 91 times)

wrbasek0

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on: Jun 19, 2018
The null hypothesis for an experiment is that salt content does not affect thirst. The correct alternative hypothesis for this null hypothesis would be _____.
 
  a. salt content affects thirst c. salt content decreases thirst
  b. salt content increases thirst d. any of these

Question 2

In a pretest posttest experiment, hunger is manipulated and the number of errors made by rats in a maze is recorded. A correct alternative hypothesis would state that _____.
 
  a. errors affect hunger c. errors do not affect hunger
  b. hunger affects errors d. hunger does not affect errors


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lucas dlamini

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

A
If the null hypothesis is nondirectional as it is here, the alternative hypothesis must also be nondirectional.

Answer to Question 2

B
The nondirectional alternative hypothesis states that the treatment affects the effect.


wrbasek0

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


lucas dlamini

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


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