Do: Chapter 10 End-of-Chapter Problems 9. Gravetter/Wallnau/Forzano, - Chapter 10 - End-of-chapter question 14 Zhou and Vohs (2009) published a study showing that handling money reduces the perception...

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Extracted text: Do: Chapter 10 End-of-Chapter Problems 9. Gravetter/Wallnau/Forzano, - Chapter 10 - End-of-chapter question 14 Zhou and Vohs (2009) published a study showing that handling money reduces the perception of pain. In the experiment, a group of college students was told that they were participating in a manual dexterity study. Half of the students were given a stack of money to count and the other half got a stack of blank pieces of paper. After the counting task, the participants were asked to dip their hands into bowls of very hot water (122° F) and rate how uncomfortable it was. The following data show ratings of pain similar to the results obtained in the study. Counting Money Counting Paper 7 11 10 13 6 10 11 5 7 15 12 14 10 Is there a significant difference in reported pain between the two conditions? Use a two-tailed test with a = .01.


Extracted text: Do: Chapter 10 End-of-Chapter Problems t-critical O Fail to reject the null hypothesis; there is a significant difference. O Reject the null hypothesis; there is no significant difference. O Reject the null hypothesis; there is a significant difference. O Fail to reject the null hypothesis; there is no significant difference. t Distribution Degrees of Freedom = 21 O O -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0