The null hypothesis for an experiment is that salt content does ...

[wrbasek0]

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

[lucas dlamini]

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]

Thank you!

[lucas dlamini]

Happy to help