Statistics II 2500-PL-PS-OB2Z-5

The course will be conducted in computer lab with SPSS statistical application. Students will learn how to operate with databases and how to use statistical tests.

The classes cover the following topics:
- basic functions of the SPSS software; database preparation – entering data, importing data from different types of files;
- measurement scales and proper descriptive statistics; measures of central tendency – mean, median, mode; measures of dispersion – standard deviation, variance;
- percentile distributions – frequencies and cross-tabs;
- graphical presentation of data;
- creating variables – recoding, ranking, counting, computing;
- dividing into groups – examples;
- standardizing – method and examples;
- difference between means – three types of t-test, p-value, interpretation of results, writing results with APA style, graphs, Coehn’s-d value of effect size;
- Chi-square test – application, writing and interpretation of results, graphs;
- basic nonparametric tests – Mann-Whitney, Wilcoxon, Kruskall-Wallis. median test, Friedman test - application, writing and interpretation of results, graphs;
- correlation - application, writing and interpretation of results, graphs;
- one-factor analysis of variance - application, different models, contrasts apriori and post-hoc, writing and interpretation of results, graphs, effect size;