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Author Question: In a study that examines the impact of caffeine intake on exam performance, a researcher randomly ... (Read 65 times)

jace

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on: Nov 1, 2021
In a study that examines the impact of caffeine intake on exam performance, a researcher randomly assigns participants to drink either caffeinated or decaffeinated coffee just prior to taking an exam. In this study, which participants were in the experimental group, and which were in the control group?
◦ The participants who drank the caffeinated coffee were in the control group; the participants who drank the decaffeinated coffee were in the experimental group.
◦ The participants who drank the caffeinated coffee were in the experimental group; the participants who drank the decaffeinated coffee were in the control group.
◦ This study does not have an experimental group; the participants who drank both types of coffee were in the control group.
◦ This study does not have a control group; the participants who drank both types of coffee were in the experimental group.
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Marked as best answer by jace on Nov 1, 2021

Anna

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Reply #1 on: Nov 1, 2021
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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jace

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Reply 2 on: Nov 1, 2021
:D TYSM

bassamabas

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Reply 3 on: Yesterday
Excellent

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