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 40 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
Wow, this really help


smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

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?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

For a complete list of videos, visit our video library