Introduction: psychology and research; variables and definitions; samples and groups. Methods: some general themes; the experimental method I - nature of method; the experimental method II - experimental designs; observational methods; interviews and surveys; questionnaires, scales and tests; comparison studies; new paradigms. Dealing with data: measurements; descriptive statistics. Using data to test predictions: an introduction to significance testing; probability and significance; simple tests of difference - non-parametric; tests at nominal level; tests at ordinal level; simple tests of difference - parametric; correlation and its significance; tests for more than two conditions; non-parametric tests; one-way ANOVA; multi-factor ANOVA; repeated measures ANOVA; other useful complex multi-variate tests; what analysis to use; choosing an appropriate test; analyzing qualitative data. Ethics and practice: ethical issues and humanism; planning practicals; writing your report; structured questions; statistical tables.