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Psychology 355 homework
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Problem Set 2: The paired-samples t test

Research Scenario: A clinical psychologist is studying the differences in the number of Facebook® friends between identical twins raised apart. She believes that twins raised in different environments will have differences in the number of friends, which would help point to the influence of environmental factors over inherited factors on social outcomes. She divides the twins into two groups (“Twin 1” and “Twin 2”), collects the data and creates 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 identical twins raised apart will have a different number of Facebook® friends. Create a boxplot to show the difference between the number of friends for each group.

Problem Set 2: The paired-samples t test

Research Scenario: A clinical psychologist is studying the differences in the number of Facebook® friends between identical twins raised apart. She believes that twins raised in different environments will have differences in the number of friends, which would help point to the influence of environmental factors over inherited factors on social outcomes. She divides the twins into two groups (“Twin 1” and “Twin 2”), collects the data and creates 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 identical twins raised apart will have a different number of Facebook® friends. Create a boxplot to show the difference between the number of friends for each group.

Twin 1

254

64

89

78

89

174

47

207

21

93

136

19

40

212

230

58

Twin 2

198

67

119

43

89

180

61

112

100

87

126

52

56

259

70

29

  • Paste SPSS output.  

 

  • Write an APA-style Results section based on your analysis. Include your boxplot as an APA-style figure as demonstrated in the APA writing presentation.
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  • Submitted On 13 Sep, 2018 02:08:55
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