E 7 4 F 3 9 Н 9 6 I 1o. Example 11.2 in this chapter presented a repeated- measures research study demonstrating that swearing d Samples 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. a. Do these data indicate a significant difference in pain tolerance between the two conditions? Use a two-tailed test with a =.05. b. Compute r, the percentage of variance accounted for, to measure the size of the treatment effect. Write a sentence demonstrating how the results of the hypothesis test and the measure of effect size would appear in a research report. dis in on lent sam Ex с. on en са 19. A san meas ng 8 stan а. I t bols To b. с. с. 20. P cl Amount of Time (in Seconds) Participant Swear words Neutral words 1 19dos dk 94 to zagind 70 ido fS 52 59 9CTTOE 61 2 8 3 47 0uhd 60 4 21 LS ga 83 bac o s 46 01 988 6 I35 im Vr 117 8. 92 se 53 69ib to slqm 7 048 noo ol im39hua iin ai 30 6 10 251 xunssni 56 73 61 17. a. A repeated-measures study with a sample of

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Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.