Fully revised and updated, the second edition of this widely adopted text and professional reference reflects significant recent changes in the landscape of family therapy research. Leading contributors provide the current knowledge needed to design strong qualitative, quantitative, and mixed-method studies; analyze the resulting data; and translate findings into improved practices and programs. Following a consistent format, user-friendly chapters thoroughly describe the various methodologies and illustrate their applications with helpful concrete examples. Among the ten entirely new chapters in the second edition is an invaluable research primer for beginning graduate students. Other new chapters cover action and participatory research methods, computer-aided qualitative data analysis, feminist autoethnography, performance methodology, task analysis, cutting-edge statistical models, and more.