The document introduces SPSS, a statistical software package used for complex statistical analysis across various fields including social science research, marketing, and education. It describes the basic functions of SPSS including data management, univariate analysis to examine one variable, bivariate analysis of two variables, and multivariate analysis of three or more variables. Finally, it provides examples of common statistical tests that can be run in SPSS like frequencies, chi-square, correlation, t-tests, ANOVA, and regression.