« previous next »

Author Question: A nuisance variable is a. the same as a confounded variable b. a second independent variable in ... (Read 157 times)

Starlight

  • Hero Member
  • *****
  • Posts: 567
on: Jun 20, 2018
A nuisance variable is
 
  a. the same as a confounded variable
  b. a second independent variable in an experiment
  c. one that is included even though it is not of theoretical interest
  d. Both b and c are correct.

Question 2

Matching may justified in an experiment if
 
  a. there is a variable that is highly correlated with the dependent variable
  b. it is feasible to present a pretest before assigning subjects to conditions
  c. Both a and b are true.
  d. Matching is always justified.


Gabe

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jun 20, 2018
Answer to Question 1

d

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

School-age children are often independent and industrious, with a developing sense of self-confidenc School-age children are often independent and industrious, with a developing sense of self-confidenc
Summation of Heart Sounds, Variable S1 Summation of Heart Sounds, Variable S1
The Punnett square of a dihybrid cross demonstrates Mendel’s law of independent assortment. The Punnett square of a dihybrid cross demonstrates Mendel’s law of independent assortment.
A variable valve timing solenoid being controlled by applying voltage from the PCM. A variable valve timing solenoid being controlled by applying voltage from the PCM.
Trihybrid cross to verify independent assortment Trihybrid cross to verify independent assortment
Variable penetrance of mitochondrial mutations Variable penetrance of mitochondrial mutations
Video: Deafness Culture

For a complete list of videos, visit our video library