Correlation and Regression Project
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Use the attached document “Correlation and Regression” to complete the assignment.
This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.
While APA style is not required for the body of this assignment, solid academic writing is expected, and documentation of sources should be presented using APA formatting guidelines, which can be found in the APA Style Guide, located in the Student Success Center.
Benchmark Information
This benchmark assignment assesses the following programmatic competency:
MS Psychology
3.1 Interpret psychological phenomena using scientific reasoning.
Directions: Use the following information to complete the questions below.
Use the following data points that have a linear relationship
Substance Abuse and Suicide: Percent of the Total U.S. Population
X VARIABLE
Y VARIABLE
Year
Substance Use
Suicides
1999
6.82
0.000105
2000
6.78
0.000104
2001
7.00
0.000107
2002
7.12
0.00011
2003
7.09
0.000108
2004
7.05
0.00011
2005
7.17
0.000109
2006
7.24
0.00011
2007
7.28
0.000113
2008
7.36
0.000116
2009
7.80
0.000118
2010
7.81
0.000121
2011
7.88
0.000123
2012
7.87
0.000125
2013
8.07
0.000126
2014
8.12
0.00013
2015
8.06
0.000133
2016
8.17
0.000134
2017
8.18
0.00014
2018
8.23
0.000142
In 500-750 words, address the following:
Identify thecorrelation coefficient for each of the possible pairings of variables.Describe the relationship in terms of strength (weak/strong) and direction (positive/negative).
Find a linear model of the relationship between the three variables of interest. Identify the predictor variables and the criterion variable.
Provide an output of the SPSS results and interpret the results using correct APA style. Be sure to include the following in your interpretation:
• Cause and effect concepts
• Independent/dependent variable relationships?
• Why is important to do random sampling?
• What is regression fallacy? How may it apply to the relationships discovered?
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