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Author Question: Describe the similarities and differences between experiments and nonexperiments or ... (Read 121 times)

SO00

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on: Jun 19, 2018
Describe the similarities and differences between experiments and nonexperiments or quasi-experiments.
 
  What will be an ideal response?

Question 2

What social threat to internal validity occurs because a comparison group learns about the program either directly or indirectly from program group participants?
 
  a. diffusion of treatment
 b. compensatory rivalry
 c. resentful demoralization
 d. compensatory equalization


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ebenov

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

Nonexperimental and quasi-experimental studies are similar to experiments in terms of their general structure. Nonexperiments and quasi-experiments, like experiments, involve comparing groups of scores. However, only in an experiment does a researcher create treatment conditions by manipulating an independent variable. Although nonexperiments and quasi-experiments resemble experiments, they contain a confounding variable or other threat to internal validity that is an integral part of the design. Therefore, these studies cannot establish unambiguous cause and effect relationships.

Answer to Question 2

a


SO00

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Reply 2 on: Jun 19, 2018
Gracias!

tranoy

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Reply 3 on: Yesterday
Wow, this really help

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