Author Question: The null hypothesis in a repeated measures t test is a. the hypothesis that the mean difference ... (Read 76 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
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
Answer to Question 1

A

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

For a complete list of videos, visit our video library