Author Question: When analyzing data from experiments that involve more than two groups _________. a. doing t ... (Read 89 times)

SO00

  • Hero Member
  • *****
  • Posts: 568
When analyzing data from experiments that involve more than two groups _________.
 
  a. doing t tests on all possible pairs of means decreases the probability of making Type I errors
  b. doing t tests on all possible pairs of means increases the probability of making Type I errors
  c. it is generally permissible to do t tests between all possible pairs of means and use Student's t distribution
  d. doing t tests on all possible pairs of means increases the probability of making Type II errors

Question 2

A major limitation of a two group design is that _________.
 
  a. we can't run enough subjects
  b. very often, two groups are insufficient for a clear interpretation
  c. the population parameters may not be applicable
  d. the means between groups may not differ



Perkypinki

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

For a complete list of videos, visit our video library