Author Question: In which of the following situations would one use an independent t test? a. A professor wants to ... (Read 36 times)

savannahhooper

  • Hero Member
  • *****
  • Posts: 576
In which of the following situations would one use an independent t test?
 
  a. A professor wants to know if one of his two Introduction to Psychology classes scored significantly higher than the other class on the same exam.
   b. A professor wants to know if there was a significant improvement in test scores from Exam 1 to Exam 2 for one of his Introduction to Psychology classes.
   c. An educator wants to know if students spend more time talking on the phone than
   studying during a typical day.
   d. A researcher wishes to learn whether the oldest child in a family does significantly better on standardized tests than the youngest child in the family.

Question 2

Which of the following conditions will result in larger t values?
 
  a. smaller difference between means/smaller within group variance
  b. smaller difference between means/larger within group variance
  c. larger difference between means/larger within group variance
  d. larger difference between means/smaller within group variance



aidanmbrowne

  • Sr. Member
  • ****
  • Posts: 305
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?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

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.

For a complete list of videos, visit our video library