« previous next »

Author Question: _________ variables are not controlled for in the experiment but may have an influence on the ... (Read 43 times)

anjilletteb

  • Hero Member
  • *****
  • Posts: 569
on: Jul 13, 2018
_________ variables are not controlled for in the experiment but may have an influence on the dependent variable because they vary with the levels of the independent variables.
 
  a. Extraneous
  b. Nuisance
  c. Attrition
  d. History

Question 2

A probability sampling technique in which a researcher begins by identifying subgroups and then randomly samples from each groups is called probability sampling.
 
  a. stratified
  b. cluster
  c. simple
  d. systematic


joneynes

  • Sr. Member
  • ****
  • Posts: 376
Reply #1 on: Jul 13, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Stanley Miller 1953 Experiment Stanley Miller 1953 Experiment
Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli
How to manually solve a linear system with three variables without matrices (Question 1 of 2) How to manually solve a linear system with three variables without matrices (Question 1 of 2)
Many Factors Influence Your Food Choices Many Factors Influence Your Food Choices
Redi Experiment Redi Experiment
Psychology experiment Psychology experiment
Video: Neural regulation of blood pressure - baroreceptor and chemoreceptor reflexes

For a complete list of videos, visit our video library