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 34 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?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Primary production is constrained by the most limiting factor. Primary production is constrained by the most limiting factor.
The coolant temperature is controlled by the thermostat, which opens and allows coolant to flow to ... The coolant temperature is controlled by the thermostat, which opens and allows coolant to flow to ...
A vacuum-operated EGR valve. The vacuum to the EGR valve is computer controlled by the EGR valve ... A vacuum-operated EGR valve. The vacuum to the EGR valve is computer controlled by the EGR valve ...
Hormonally controlled cycles Hormonally controlled cycles
Brain maturation from ages 5 to 20 Brain maturation from ages 5 to 20
Controlled genetic crosses of pea plants Controlled genetic crosses of pea plants
Video: Angiotensin II - kidneys, adrenal glands and dehydration

For a complete list of videos, visit our video library