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Author Question: Which of the following is a threat to external validity? (Read 59 times)

bucstennis@aim.com

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on: Mar 8, 2019
Which of the following is a threat to external validity?
◦ Specificity of variables
◦ Testing effects
◦ Statistical regression
◦ Instrumentation
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abctaiwan

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Reply #1 on: Mar 8, 2019
Specificity of variables


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