This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Discuss the courses of action a researcher can follow to control extraneous variables and the ... (Read 81 times)

elizabeth18

  • Hero Member
  • *****
  • Posts: 559
on: Jun 29, 2018
Discuss the courses of action a researcher can follow to control extraneous variables and the statistical recourse that may be available if these fail to prevent a confound.

Question 2

Which of the following represents the standard deviation of the sampling distribution?
 a. range
  b. standard median
  c. dispersion
  d. standard error of the mean


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Loise Hard

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jun 29, 2018
Answer to Question 1

The three courses of action to control extraneous variables include 1) holding extraneous variables constant where practical, 2) assigning treatments to test units randomly, and 3) using experimental designs that control for the effects of extraneous variables. If an extraneous variable confounds the experiment, analysis of covariance (ANCOVA) can be used to statistically de-bias the dependent variable by accounting for it separately within each of the levels of the confounding variable.

Answer to Question 2

D


elizabeth18

  • Member
  • Posts: 559
Reply 2 on: Jun 29, 2018
Gracias!

hollysheppard095

  • Member
  • Posts: 339
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

A fixed action pattern as an example of innate behaviour. A fixed action pattern as an example of innate behaviour.
The control of cellular respiration The control of cellular respiration
Hormonal control of the male reproductive hormones Hormonal control of the male reproductive hormones
Action! Children love to talk about the actions of adults and animals, which provides a natural way ... Action! Children love to talk about the actions of adults and animals, which provides a natural way ...
Mechanisms of Action of Antiseizure Drugs Mechanisms of Action of Antiseizure Drugs
Mechanisms of Action of Diuretics Mechanisms of Action of Diuretics
Video: ATPase function - membrane transport, contractile proteins and synthesis

For a complete list of videos, visit our video library