Author Question: One additive/interaction threat to the nonequivalent comparison-group design might occur is one ... (Read 247 times)

Jipu 123

  • Hero Member
  • *****
  • Posts: 569
One additive/interaction threat to the nonequivalent comparison-group design might occur is one group of participants becomes more experienced, tired, or bored than those in the other group. What is this threat?
 
  a. Selection-attrition
   b. Selection-maturation
  c. Selection-instrumentation
  d. Selection-regression

Question 2

If the local veterinarian inspects the rats during the experiment and finds them malnourished and their cages dirty. Who would be responsible for remedying the situation?
 
  a) Karen
  b) the IRB
  c) the IACUC
   d) Dr. Edelweiss



tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

B

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

For a complete list of videos, visit our video library