[Answered] A pretest-posttest study is an example of a nonequivalent groups design. a. True b. False ...

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Author Question: A pretest-posttest study is an example of a nonequivalent groups design. a. True b. False ... (Read 55 times)

Jramos095

Hero Member
Posts: 528

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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Marked as best answer by a Subject Expert

Brenm

Sr. Member
Posts: 359

Reply #1 on: Jun 19, 2018

Answer to Question 1

False

Answer to Question 2

b

Jramos095

Member
Posts: 528

Reply 2 on: Jun 19, 2018

Wow, this really help

ryhom

Member
Posts: 366

Reply 3 on: Yesterday

Excellent

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