« previous next »

Author Question: Extraneous variables that affect groups equally: a. are called confounds. b. introduce ... (Read 85 times)

SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

In one-male group species, extra males typically reside in all-male “bachelor” groups. These are Han In one-male group species, extra males typically reside in all-male “bachelor” groups. These are Han
Ethnic Groups of Eastern North America, 1750 Ethnic Groups of Eastern North America, 1750
Basic Food Groups and Their Major Nutrients (Continued) Basic Food Groups and Their Major Nutrients (Continued)
Regional differences affect soil fertility Regional differences affect soil fertility
Alleles and blood groups Alleles and blood groups
Evolutionary tree for the living amniote groups Evolutionary tree for the living amniote groups
Video: The Pressure Flow Model in a Plant

For a complete list of videos, visit our video library