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

Author Question: Confounding due to maturation is controlled by A) limiting participants to a one sex only. B) ... (Read 85 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Aug 4, 2018
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
Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


ssal

  • Hero Member
  • *****
  • Posts: 572
Reply #2 on: Aug 4, 2018
Thanks


Viet Thy

  • Sr. Member
  • ****
  • Posts: 329
Reply #3 on: Aug 4, 2018
Welcome :)


« previous next »
 

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

EXAMPLE OF A RANDOMIZED CONTROLLED TRIAL EXAMPLE OF A RANDOMIZED CONTROLLED TRIAL
Label used to indicate a class IV controlled substance. Label used to indicate a class IV controlled substance.
Controlled-Release Antimicrobial Drugs Used in Dentistry Controlled-Release Antimicrobial Drugs Used in Dentistry
Brain maturation from ages 5 to 20 Brain maturation from ages 5 to 20
Some human traits controlled by a single gene Some human traits controlled by a single gene
Nesting Sites: A Limiting Factor Nesting Sites: A Limiting Factor
Video: Blood Flow through the Human Heart

For a complete list of videos, visit our video library