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 22 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?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Ionic bonding in table salt (NaCl) Ionic bonding in table salt (NaCl)
Noll's DNase-I digestion experiment, which verified the beads-on-a-string model of DNA compacti Noll's DNase-I digestion experiment, which verified the beads-on-a-string model of DNA compacti
Two mechanisms that affect cell shape and movement. Two mechanisms that affect cell shape and movement.
Messelson-Stahl Experiment Messelson-Stahl Experiment
The Redi experiment. The Redi experiment.
A Possible Problem with the Anger and Concentration Experiment A Possible Problem with the Anger and Concentration Experiment
Video: Regulation of GFR: autoregulation via myogenic mechanism Myogenic mechanism

For a complete list of videos, visit our video library