A 2009 study shpwed that handling money reduces the perception of pain. Two groups of participants were asked to participate in a manual dexterity study. Half of the participants were given a stack of blank pieces of paper to count and the other half were given money to count. After the counting task, the participants were asked to dip their hands in 122 degree Farenheit water and rate how uncomfortable it was . The following data shows ratings of pain similar to the results obtained in the study. Counting Money Counting Paper 7 9 8 11 10 13 6 10 8 11 5 9
A 2009 study shpwed that handling money reduces the perception of pain. Two groups of participants were asked to participate in a manual dexterity study. Half of the participants were given a stack of blank pieces of paper to count and the other half were given money to count. After the counting task, the participants were asked to dip their hands in 122 degree Farenheit water and rate how uncomfortable it was . The following data shows ratings of pain similar to the results obtained in the study.
| Counting Money | Counting Paper |
| 7 | 9 |
| 8 | 11 |
| 10 | 13 |
| 6 | 10 |
| 8 | 11 |
| 5 | 9 |
| 7 | 15 |
| 12 | 14 |
| 5 | 10 |
A. based on the sample data, does the treatment, does the treatment have a significant effect? Test with a=.01. ( make sure you have ALL the steps involved in a hypothesis test).
B. Calculate Cohens d to estimate the effect size.
C. What a sentence describing the outcome of the hypothesis test and the measure of effect size as it would appear on a research report.
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