This topic contains a solution. Click here to go to the answer

Author Question: Confounding due to maturation is controlled by A) limiting participants to a one sex only. B) ... (Read 73 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
Confounding due to maturation is controlled by
 
  A) limiting participants to a one sex only.
  B) preventing attrition during the study.
  C) employing a posttest.
  D) having the experimental and control groups equivalent at the beginning of the study.

Question 2

In an experiment, the independent variable
 
  A) must be measured at least twice.
  B) is observed rather than manipulated.
  C) must vary across conditions.
  D) needs to be held constant across conditions.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Viet Thy

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C





 

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

For a complete list of videos, visit our video library