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Author Question: Jack believes that patrons in his bar will be more likely to leave a tip if the tip jar already has ... (Read 220 times)

abarnes

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on: Oct 8, 2020

Question 1

In which study would it be impossible to implement a double-blind procedure?

◦ a study on the effects of a new pain medication
◦ a study that tests whether yoga influences mood
◦ an experiment that requires informed consent
◦ an experiment that has a completely representative sample

Question 2

Jack believes that patrons in his bar will be more likely to leave a tip if the tip jar already has some money in it. To test this belief, he has the tip jar empty about half the time when a customer approaches the bar; the rest of the time he ensures there is at least $5.00 in the jar when a customer approaches. In Jack's experiment, which is the control group?

◦ the patrons who see an empty tip jar
◦ all the patrons who leave the bar without tipping
◦ the patrons who see a tip jar that contains at least $5.00
◦ all the patrons who leave a tip when they leave the bar
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Marked as best answer by abarnes on Oct 8, 2020

mmpiza

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Reply #1 on: Oct 8, 2020
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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jackie lawrence

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Reply #2 on: Sep 2, 2022
thank you!


TatsukiMao

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Reply #3 on: Sep 23, 2022
thank you


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