Author Question: Extraneous variables that affect groups equally: a. are called confounds. b. introduce ... (Read 67 times)

SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
Extraneous variables that affect groups equally:
 
  a. are called confounds.
  b. introduce systematic bias.
  c. do not affect rejection of the null hypothesis.
  d. add overall variability.

Question 2

Confounds introduce:
 
  a. nonsystematic bias.
  b. systematic bias.
  c. both systematic and nonsystematic bias.
  d. error variance.



emilymalinowski12

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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.

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?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

For a complete list of videos, visit our video library