Author Question: What is the relationship between main effects and interactions? ____. a. At least one of the ... (Read 32 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551
What is the relationship between main effects and interactions? ____.
 
  a. At least one of the factors involved in the interaction must have a main effect.
  b. None of the factors in the interaction can have a main effect.
 c. All of the factors involved in the interaction must have main effects.
 d. The existence of an interaction is independent of the main effects.

Question 2

If there is not random assignment, but there is a control group and/or multiple measures, a research study can be said to be a(n) _______________.
 
  Fill in the blank(s) with correct word



frogdreck123456

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

d

Answer to Question 2

quasi-experiment
quasi experiment



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

For a complete list of videos, visit our video library