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Manual Event (Session ID,DateTime,Event) = f79kkaqlgn78reqvlv4vfn9ru3 20210729103606 /communities/does-a-pretest-posttest-control-group-design-expose-to-certain-threats-for-internal-validity/

Does a pretest-posttest control group design expose to certain threats for internal validity?

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Vegas
20 June 2020
Does a pretest-posttest control group design expose to certain threats for internal validity?

Does a pretest-posttest control group design expose to certain threats for internal validity?

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Fanny
20 June 2020

I am glad to share with you my knowledge. =)

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Vegas
20 June 2020

Thank you so much

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Fanny
20 June 2020

It is possible to have kind of testing effects, exactly speaking, interaction between pretest and experimental stimuli.

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