Installing and Registering IBM SPSS Software
IBM SPSS version 27 Installation and Registration (PC/Windows)
IBM SPSS version 27 Installation and Registration (Mac)
Licensing Your IBM SPSS Software
Students may obtain the SPSS license code from this link: https://alaureatena.sharepoint.com/sites/walden-university/student-documents/spss/Pages/default.aspx
The assignment this week requires that you do a repeated measures T test. Please look at the list of variable names. T1 in a variable name means time 1 for that variable. T2 means time 2.
You will also do two other types of tests. Here are some examples of other types of t tests (attached).
The assignment for this week involves three scenarios. Do all three. One paragraph for each is enough. This time you will use spss and your data set to answer the questions.
Do not overthink effect size. You do not have to rely on Cohen’s d. Instead, look at the correlation coefficient. Here are some guidelines for interpreting effect.
Moderate effects
Spearman .30-.49
Pearson .30-.49
R square .10-.25
Eta square .10-.25
Phi and Cramers V .20-.60
To prepare for this Assignment:
· Review the t test scenarios (attached) and consider the three different approaches of t tests:
· Independent sample t test
· Paired sample t test
· One sample t test
· Based on each of the three research scenarios provided, open the High School Longitudinal Study dataset or the Afrobarometer dataset using SPSS software, then choose and run the appropriate t test.
· Once you perform your t test analyses, review the Wagner text to understand how to copy and paste your output into your Word document.
For this Assignment:
Write a 1 -paragraph analysis of your t test results for each research scenario and include the SPSS syntax and output. If you are using the Afrobarometer Dataset, report the mean of Q1 (Age). If you are using the HS Long Survey Dataset, report the mean of X1SES. Do not forget to evaluate if the t test assumptions are met, justify the selection of type of t test, and report the effect size. Based on your results, provide an explanation of what the implications of social change might be.
Use proper APA format, citations, and referencing for your analysis, research questions, and output.
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