Student Guide to SPSS

Introduction……………………………………………………………………………………………………………….2
Basics ……………………………………………………………………………………………………………………….4
Starting SPSS………………………………………………………………………………………………………….4
Navigating……………………………………………………………………………………………………………….4
Data Editor…………………………………………………………………………………………………………..5
SPSS Viewer ……………………………………………………………………………………………………….6
Getting your data in…………………………………………………………………………………………………..7
Opening an Excel file …………………………………………………………………………………………….7
Manually entering data…………………………………………………………………………………………..9
Opening an existing SPSS file……………………………………………………………………………….10
Saving your work ……………………………………………………………………………………………………10
Cutting and pasting……………………………………………………………………………………………..10
Exporting …………………………………………………………………………………………………………..11
Describing data ………………………………………………………………………………………………………..12
Frequency distributions………………………………………………………………………………………..12
Parametric vs. Non-parametric statistics……………………………………………………………………..15
Normality …………………………………………………………………………………………………………..16
Homogeneity of Variance……………………………………………………………………………………..16
In SPSS…………………………………………………………………………………………………………….16
Data Analysis……………………………………………………………………………………………………………19
Analyzing Frequencies: Chi-square ……………………………………………………………………………19
Comparing two groups …………………………………………………………………………………………….27
T-tests…………………………………………………………………………………………………………………..27
Paired T-tests …………………………………………………………………………………………………….29
Comparing two groups – Non-parametric ……………………………………………………………………30
Two independent groups: Mann-Whitney U……………………………………………………………..30
Paired groups: Wilcoxon Signed Rank Test……………………………………………………………..32
Testing associations between continuous variables ………………………………………………………34
Correlation …………………………………………………………………………………………………………….34
Parametric: Pearson correlation coefficient………………………………………………………………34
Nonparametric: Spearman’s rho…………………………………………………………………………….35
Regression…………………………………………………………………………………………………………….37
Comparing Multiple Groups – Parametric…………………………………………………………………….40
One-Way Analysis of Variance (ANOVA)…………………………………………………………………….40
– Additional Topics: Post-hoc tests (Multiple comparison test)…………………………………….40

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