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Author Question: A pretest-posttest study is an example of a nonequivalent groups design. a. True b. False ... (Read 82 times)

Jramos095

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on: Jun 19, 2018
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


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Brenm

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Reply #1 on: Jun 19, 2018
Answer to Question 1

False

Answer to Question 2

b


Jramos095

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Reply 2 on: Jun 19, 2018
Wow, this really help

ultraflyy23

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Reply 3 on: Yesterday
Excellent

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