# PSY-380 Project 3 – SPSS Analyses

PSY-380 Introduction to Probability and Statistics
Project 3 – SPSS Analyses
Before beginning this assignment, be sure to watch the MindTap SPSS Demonstration Library
videos corresponding to each question in order to successfully complete the assignment. The
videos and links are listed in the LMS assignment description and below each question.
In SPSS run the correct statistical test for each study.
1. A researcher is interested to learn if there is a linear relationship between the hours in a
week spent exercising and a person’s life satisfaction. The researchers collected the
following data from a random sample, which included the number of hours spent
exercising in a week and a ranking of life satisfaction from 1 to 10 (1 being the lowest
and 10 the highest).
MindTap Question 1 Practice Resources: Course Support > SPSS Demonstration
Library > Descriptive Statistics and Frequencies; Course Support > SPSS
Demonstration Library > Correlation; Chapter 14 > Learn It > SPSS Problem Set:
Correlation and Linear Regression: Using SPSS > 1. Obtaining correlation coefficients
(Pearson); SPSS Problem Set: Correlation and Linear Regression: Interpreting SPSS >
1. Interpreting statistical software output in correlation.
Hours of
Participant Exercise
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Life
Satisfaction
3
14
14
14
3
5
10
11
8
7
6
11
6
11
8
1
2
4
4
10
5
3
4
8
4
9
5
4
10
4
16
17
18
19
20
15
8
8
10
5
7
4
5
4
4
a. Run descriptive statistics on the data. Report the mean, variance and standard
deviation for the data of hours of exercise per week by the participants. Copy
and paste the SPSS output into the word document.
b. Run a bivariate correlation to determine if there is a linear relationship
between the hours of exercise per week and life satisfaction. In 3-4 sentences
interpret the results in words, then write the statistical results in APA
style. Report the Pearson’s Correlation and probability statistic.
2. Insomnia has become an epidemic in the United States. Much research has been done in
the development of new pharmaceuticals to aide those who suffer from insomnia.
Alternatives to pharmaceuticals are being sought by sufferers. A new relaxation
technique has been tested to see if it is effective in treating the disorder. Sixty insomnia
sufferers between the ages of 18 to 40 with no underlying health conditions volunteered
to participate in a clinical trial. They were randomly assigned to either receive relaxation
treatment or a proven pharmaceutical treatment. Thirty were assigned to each group. The
amount of time it took each of them to fall asleep was measured and recorded. The data is
shown below.
a. Run a two-independent samples t-test to determine if the relaxation treatment is
more effective than the pharmaceutical treatment at a level of significance of 0.05.
Copy and paste the SPSS output into the word document.
b. In 3-4 sentences interpret the results in words, then write the statistical
results in APA style. Report the t statistic and probability statistic. MindTap
Question 2 Practice Resources: Course Support > SPSS Demonstration Library
> Independent Samples t-Test; Chapter 15 > Learn It > SPSS Problem Set:
Parametric Hypothesis Testing Comparing Two or More Means: Using SPSS > 2.
Conducting an independent samples t test; Chapter 15 > Learn It > SPSS
Problem Set: Parametric Hypothesis Testing Comparing Two or More Means:
Interpreting SPSS > 2. Interpreting statistical software output for an independentmeasures t test.
Relaxation Pharmaceutical
98
117
51
28
65
107
88
90
105
73
44
53
20
50
92
112
71
96
86
92
75
41
102
24
96
108
102
35
46
74
20
35
130
83
157
138
49
142
157
39
46
194
94
95
161
154
75
57
34
118
41
145
148
117
177
119
186
22
61
75
3. A researcher is interested to learn if the level of interaction a woman in her 20s has with
her mother influences her life satisfaction ratings. Below is a list of women who fit into
each of four levels of interaction. Conduct a One-way Between Subjects ANOVA on the
data to determine if there are differences between groups; does the level of interaction
influence women’s ratings of life satisfaction?
a. Report the results of the One-way Between Subjects ANOVA. If significance is
found, run the appropriate post-hoc test and report between what levels the
significant differences were found. Copy and paste the SPSS output into the
word document.
b. In 3-4 sentences interpret the results in words, then write the statistical
results in APA style. Report the F statistic and probability statistic.
MindTap Question 3 Practice Resources: Course Support > SPSS Demonstration
Library > One-Way Between-Subject ANOVA; Chapter 15 > Learn It > SPSS Problem
Set: Parametric Hypothesis Testing Comparing Two or More Means: Using SPSS > 4.
Conducting a single-factor, independent-measures ANOVA; Chapter 15 > Learn It >
SPSS Problem Set: Parametric Hypothesis Testing Comparing Two or More Means:
Interpreting SPSS > 4. Interpreting statistical software output for a single-factor,
independent-measures ANOVA
No
Low
Moderate
Interaction Interaction
Interaction
2
3
4
3
4
5
4
1
7
2
8
2
1
7
1
8
8
6
4
5
High
Interaction
3
10
2
1
2
3
10
8
4
3
9
10
8
5
8
4
9
4
1
8
4. A researcher is interested in studying the effect that the amount of fat in the diet and
amount of exercise has on the mental acuity of middle-aged women. The researcher used
three different treatment levels for the diet and two levels for the exercise. The results of
the acuity test for the subjects in the different treatment levels are shown below.
MindTap Question 4 Practice Resources: Course Support > SPSS Demonstration
Library > Between-Subjects Factorial ANOVA; Chapter 15 > Learn It > SPSS Problem
Set: Parametric Hypothesis Testing Comparing Two or More Means: Using SPSS > 5.
Conducting a two-factor ANOVA; Chapter 15 > Learn It > SPSS Problem Set:
Parametric Hypothesis Testing Comparing Two or More Means: Interpreting SPSS > 5.
Interpreting statistical software output for a two-factor ANOVA.
Exercise

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