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Author Question: Dr. Prutherow believes that people who are under stress will develop more colds than people who are ... (Read 175 times)

tnt_battle

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Dr. Prutherow believes that people who are under stress will develop more colds than people who are not under stress. When he randomly selected ten participants and exposed them to high levels of stress, he found that nine of the participants developed colds. What critical piece is missing from Dr. Prutherow's study?

a dependent variable
a testable hypothesis
a group without stress
a group without colds


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Marked as best answer by tnt_battle on Oct 8, 2020

jlaineee

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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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