Complete Short Stats Worksheet Please make sure that your answers are correctThere can be no plagiarism at all
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SPSS HOMEWORK 1
40 POINTS
Problem Set 1: The independent-samples t test
Research Scenario: A learning psychologist is interested in comparing the success of two
different mnemonics (memorization methods) on performance in a memory task. He assigns
students to two groups, one which learns and uses a language-based rhyming memory
technique, and one which learns and uses a visual “method of loci” spatial memory technique.
He then administers a memory task to each group of students. The students are scored based
on the percentage of correct answers.
Using this table, enter the data into a new SPSS data file and run an independentsamples t test to test the claim that there is a difference in the percentage of correct
answers between the two groups. Follow the directions below the table to complete the
homework.
Language-Based
93
77
89
87
78
62
67
90
95
Spatially-based
83
89
72
95
76
63
99
84
93
1. Paste SPSS output. (7 pts)
2. 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. (Results = 8 pts;
Graph = 5 pts)
Problem Set 2: The independent-samples t test
Research Scenario: A forensic psychologist has developed a new program that teaches
empathy and positive social skills to youth offenders who are incarcerated for a violent
offense. She wants to know whether this new treatment is more effective in increasing
empathy than the standard treatment that these youth offenders usually receive. She sets up a
treatment group that consists of 8 youth offenders incarcerated for violent offenses who will
receive the new treatment. Her control group consists of 8 similar youth offenders who
receive the standard treatment only. At the end of treatment, she administers the Basic
Empathy Scale (BES; Jolliffe and Farrington, 2006), a 20-item questionnaire where higher
scores indicate higher levels of empathy, and records the results in the table below.
Using this table, enter the data into a new SPSS data file and run an independentsamples t test to test the claim that violent youth offenders who receive the new
treatment will have higher BES scores than violent youth offenders who receive
standard treatment. Follow the directions below the table to complete the homework.
New Treatment
54
39
42
58
37
51
41
50
Standard
Treatment
47
46
25
13
52
36
50
41
1. Paste SPSS output. (7 pts)
2. 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. (Results = 8 pts;
Graph = 5 pts)
Submit this assignment by 11:59 p.m. (ET) on Monday at the end of Module/Week 1.
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