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Author Question: In Katia's remedial mathematics study, she collected pretest data from a group of participants. She ... (Read 106 times)

tichca

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on: Mar 8, 2019
In Katia's remedial mathematics study, she collected pretest data from a group of participants.  She divided the participants into three groups.  One group received no treatment, one group received instruction by a teacher-delivered intervention, one group received peer tutoring on the same problems.  After the intervention she tested their math skills. With which validity threat should Katia be most concerned?
◦ Pretest-treatment interaction
◦ Instrumentation
◦ Testing
◦ Maturation
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Marked as best answer by tichca on Mar 8, 2019

joewallace

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Reply #1 on: Mar 8, 2019
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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tichca

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Reply #2 on: Mar 8, 2019
Excellent


joewallace

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Reply #3 on: Mar 8, 2019
Great! Please up vote :D


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