Author Question: When specific comparisons have not been planned ahead of time, increases in experimentwise alpha ... (Read 139 times)

kaid0807

  • Hero Member
  • *****
  • Posts: 515
When specific comparisons have not been planned ahead of time, increases in experimentwise alpha that occur when many comparisons are made can be reduced by using which of the following?
 
  a. Pairwise comparisons
  b. Post hoc comparisons
  c. Planned comparisons
  d. Increases in experimentwise alpha cannot be reduced after the experiment has been run.

Question 2

A priori comparisons, comparing only means for which specific differences are predicted by the research hypothesis, are also called
 
  a. post hoc comparisons.
  b. complex comparisons.
  c. planned comparisons.
  d. pairwise comparisons.



owenfalvey

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

b

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

For a complete list of videos, visit our video library