Appropriate for social science students, this text offers comprehensive coverage of both experimental and non-experimental methods. The author provides succinct explanations for a full range of methods, including descriptive, correlational, experimental, and quasi-experimental research designs. Practical tips and applications integrated throughout the text allow students to make real-world connections that encourage them to master the material. Full coverage of APA-style research reports is included in a separate appendix (A). A fully-annotated sample manuscript is also included. An emphasis on the process of measuring variables includes detailed coverage of reliability and construct validity integrated with measurement in descriptive and naturalistic research designs.