Author Question: Which of the following must be a subject variable? a. hours of studying b. hours of sleep c. ... (Read 190 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
Which of the following must be a subject variable?
 
  a. hours of studying
  b. hours of sleep
  c. gender
  d. taking a drug or a placebo

Question 2

Relatively permanent participant characteristics that prevent random assignments are called:
 
  a. nonsystematic confounding variables.
  b. counterbalanced variables.
  c. subject variables.
  d. matched variables.



matt

  • Sr. Member
  • ****
  • Posts: 344
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?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Cyanide works by making the human body unable to use oxygen.

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.

For a complete list of videos, visit our video library