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A SPORTS PSYCHOLOGIST IS STUDYING THE EFFICACY OF A NEW

A SPORTS PSYCHOLOGIST IS STUDYING THE EFFICACY OF A NEW

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Author: Christine Farr
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http://theperfecthomework.com/a-sports-psychologist-is-studying-the-efficacy-of-a-new-public-school-health-program-on-the-number-of-minutes/ 

A sports psychologist is studying the efficacy of a new public school health program on the number of minutes 10th graders exercise per week. She surveys a sample of 10th graders before the program begins and records the number of minutes they report exercising per week. After 2 months in the program, the students are surveyed again. The data are listed in the table below. Using this table, enter the data into a new SPSS data file and run a paired-samples t-test to test the claim that the new public health program significantly changes the number of minutes exercised for 10th graders.
 
The steps will be the same as the ones you have been practicing in Part 1 of the assignment—the only difference is that you are now responsible for creating the data file as well. Remember to name and define your variables under the “Variable View,” then return to the “Data View” to enter the data.
 
Minutes Ex./Wk.
Before Program

Minutes Ex./Wk.
After Program

45
47
50
55
40
42
60
55
35
50

50
50
60
75
60
55
60
80
45
60

 
 
Paste the SPSS output. (2 pts)
 
Create a boxplot comparing the before and after scores. Be sure to correctly label the X and Y axes. (2 pts) Write a current APA-style Results section based on your analysis. All homework Results sections must follow the example given in the SPSS tutorials and the Course Content document “Writing Results of Statistical Tests in Current APA Format” (note: you do not have to refer to a figure). Remember to include a decision about the null hypothesis. (2 pts)


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