« previous next »

Author Question: The null hypothesis in a repeated measures t test is a. the hypothesis that the mean difference ... (Read 107 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
on: Jun 20, 2018
The null hypothesis in a repeated measures t test is
 
  a. the hypothesis that the mean difference score is equal to 0.
  b. the hypothesis that the mean difference score is different from 0 in either direction.
  c. the hypothesis that post scores are larger than pre-scores.
  d. the hypothesis that the variance of scores stays constant from pretest to posttest.

Question 2

A repeated measures t test is more likely to lead to rejection of the null hypothesis if
 
  a. subjects show considerable variability in their change scores.
  b. many subjects show no change.
  c. some subjects change a lot more than others.
  d. the degree of change is consistent across subjects.


djpooyouma

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

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.

The steps of the scientific method, also known as hypothesis testing The steps of the scientific method, also known as hypothesis testing
Allen Test: A patent ulnar artery reveals the return of palm perfusion despite radial artery compres Allen Test: A patent ulnar artery reveals the return of palm perfusion despite radial artery compres
TB skin test. TB skin test.
A medical assistant performs a spirometry test using electronic health record software. A medical assistant performs a spirometry test using electronic health record software.
The upper panel shows that scores of four diverse samples of boys on a moral reasoning test show a ... The upper panel shows that scores of four diverse samples of boys on a moral reasoning test show a ...
Outgroup role in relative rate test Outgroup role in relative rate test
Video: Smoking Cessation

For a complete list of videos, visit our video library