Written for introductory psychology students, Research Methods and the Interpretation of Data in Psychology shows how research design and data analysis are attainable and useful skills. It introduces both experimental and non-experimental methods of research and the analysis of data using both descriptive and inferential statistics. The uses, interpretation and calculation of common two-sample statistical tests are explained. This comprehensive textbook includes the following designed features to help with technique: practice exam answers to show how to achieve a higher grade; chapter summaries; glossary, case studies and examples; exercises and a full bibliography.