An overview of experimentation; the problem; the hypothesis; the experimental variables and how to control them; the research plan; experimental design - the case of two independent groups, the case of more than two experimental groups, the factorial design; correlation and experimental designs; experimental design - single-subject (N=1) research; quasi-experimental designs - seeking solutions to society's problems; generalization - explanation and prediction in psychology. Appendices: statistical tables; writing up your experiment; the use of computers in research; ethical principles in the conduct of psychological research; answers to problems; glossary of terms, statistical symbols and statistical equations.
