a repeated measures research study demonstrating that swearing can help reduce ratings of pain (Stephens, Atkins, & Kingston, 2009). In the study, each participant was asked to plunge a hand into icy water and keep it there as long as the pain would allow. In one condition, the participants repeated their favorite curse words while their hands were in the water. In the other condition, the participants repeated a neutral word. In addition to lowering the participants’ perception of pain, swearing also increased the amount of time that they were able to tolerate the pain. Data similar to the results obtained in the study are shown in the following table. Do these data indicate a significant difference in pain tolerance between the two conditions? Use a two tailed test with = .05. Compute r², the percentage of variance accounted for, to measure the size of the treatment effect. Participant 1 2 3 4 5 6 7 8 9 10 Swear Words 94 70 52 83 46 117 69 39 51 73 Neutral Words 59 61 47 60 35 92 53 30 56 61
a repeated measures research study demonstrating that swearing can help reduce ratings of pain (Stephens, Atkins, & Kingston, 2009). In the study, each participant was asked to plunge a hand into icy water and keep it there as long as the pain would allow. In one condition, the participants repeated their favorite curse words while their hands were in the water. In the other condition, the participants repeated a neutral word. In addition to lowering the participants’ perception of pain, swearing also increased the amount of time that they were able to tolerate the pain. Data similar to the results obtained in the study are shown in the following table. Do these data indicate a significant difference in pain tolerance between the two conditions? Use a two tailed test with = .05. Compute r², the percentage of variance accounted for, to measure the size of the treatment effect.
Participant 1 2 3 4 5 6 7 8 9 10
Swear Words 94 70 52 83 46 117 69 39 51 73
Neutral Words 59 61 47 60 35 92 53 30 56 61
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