Over thirty years of input from instructors and students have gone into this popular research methods text, resulting in a refined ninth edition that is easier to read, understand, and apply than ever before. Using unintimidating language and real-world examples, it introduces students to the key co[...]

This widely adopted text is designed to give students the basic methodological foundation they need in order to successfully complete more advanced research courses that focus on single-system designs or program evaluations. Content is clearly explained and illustrated with social work examples that[...]