Author Question: The purpose of matching individual subjects before randomly assigning one to Group A and the other ... (Read 36 times)

LCritchfi

  • Hero Member
  • *****
  • Posts: 519
The purpose of matching individual subjects before randomly assigning one to Group A and the other to Group B is to
 
  a. assure that the groups are truly random.
  b. assure that the groups are equivalent on the dependent variable.
  c. control as many extraneous variables as possible.
  d. assure that the groups are not equivalent on the dependent variable.

Question 2

Which would be the least appropriate way to assign subjects to experimental groups?
 
  a. Rolling a die
  c. Teacher assignment
  b. Flipping a coin
  d. Using a table of random numbers.



janeli

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

C

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

For a complete list of videos, visit our video library