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

Author Question: A pretest-posttest study is an example of a nonequivalent groups design. a. True b. False ... (Read 37 times)

Jramos095

  • Hero Member
  • *****
  • Posts: 528
A pretest-posttest study is an example of a nonequivalent groups design.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

If plausible alternative explanations have been ruled out, a study can be said to have established ____.
 
  a. external validity
 b. internal validity
 c. experimental validity
  d. statistical validity



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Brenm

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

False

Answer to Question 2

b




Jramos095

  • Member
  • Posts: 528
Reply 2 on: Jun 19, 2018
YES! Correct, THANKS for helping me on my review


chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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.

For a complete list of videos, visit our video library