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

Author Question: Two common confounding variables that must be controlled in a nonequivalent control-group design are ... (Read 85 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
Two common confounding variables that must be controlled in a nonequivalent control-group design are
 
  A) selection and regression to the mean.
  B) selection and maturation.
  C) maturation and regression to the mean.
  D) sequence effects and maturation.

Question 2

In which of the following is comparing a pretest-posttest scores for experimental and control groups a typical strategy?
 
  A) all experimental studies
  B) all quasi-experimental studies
  C) nonequivalent control-group designs
  D) between-subjects designs



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alexisweber49

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C




bobbysung

  • Member
  • Posts: 519
Reply 2 on: Aug 4, 2018
Gracias!


ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

For a complete list of videos, visit our video library