This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The null hypothesis for an experiment is that salt content does not affect thirst. The correct ... (Read 107 times)

wrbasek0

  • Hero Member
  • *****
  • Posts: 560
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lucas dlamini

  • Sr. Member
  • ****
  • Posts: 327
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

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jun 19, 2018
Thank you!


lucas dlamini

  • Sr. Member
  • ****
  • Posts: 327
Reply #3 on: Jun 19, 2018
Happy to help


« previous next »
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Ionic bonding in table salt (NaCl) Ionic bonding in table salt (NaCl)
The Racker and Stoeckenius experiment showing that an H+ electrochemical gradient drives ATP synthes The Racker and Stoeckenius experiment showing that an H+ electrochemical gradient drives ATP synthes
Pressure-flow hypothesis for phloem transport Pressure-flow hypothesis for phloem transport
The standard protocol of a metagenomics experiment. The standard protocol of a metagenomics experiment.
A Schematic Description of the Experiment by Misanin, Miller, and Lewis (1968) A Schematic Description of the Experiment by Misanin, Miller, and Lewis (1968)
Counterbalancing in the Predator Experiment Counterbalancing in the Predator Experiment
Video: Energy sources - types

For a complete list of videos, visit our video library