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Author Question: Grace randomly assigns college-bound African-American students to an intervention to improve ... (Read 142 times)

lbcchick

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Grace randomly assigns college-bound African-American students to an intervention to improve mathematics achievement or to a control condition.  A participants in a control group told Grace, the researcher, that his group found out that "the other kids were getting a program to help their math scores" and therefore they decided to get together in a study group once a week to help each other.  Grace was very concerned.  What threat does this student action represent?
◦ Treatment diffusion
◦ Experimenter effects
◦ Multiple treatment interference
◦ John Henry effect


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Marked as best answer by lbcchick on Mar 8, 2019

xoxo123

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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lbcchick

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Reply 2 on: Mar 8, 2019
Wow, this really help


Hdosisshsbshs

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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