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Author Question: PJ conducts an experimental study on the effects of soft music during high stakes science testing. ... (Read 373 times)

dollx

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PJ conducts an experimental study on the effects of soft music during high stakes science testing.  He randomly assigns students at the school. In one condition he does not provide music for testing while in the other group he does provide the music. One concern in his study is that during the year the music teacher at the school he administered the study shared with students the physiological benefits of soft music.  The introduction of the benefits of music during the duration of his study can be considered which of the following threats?
◦ Testing
◦ Mortality
◦ Maturation
◦ History


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Marked as best answer by dollx on Mar 8, 2019

AmberC1996

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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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