Rafael J. (University of Pittsburgh, USA) Engel & Russell K. (University of Massachusetts Boston, USA) Schutt 
Fundamentals of Social Work Research [PDF ebook] 

Designed to help students develop skills in evaluating research and conducting studies, this brief version of the popular, The Practice of Research in Social Work, makes principles of evidence-based practice come alive through illustrations of actual social work research. With integration of the CSWE Competencies, the text addresses issues and concerns common to the discipline and encourages students to address diversity and ethics when planning and evaluating research studies. The Second Edition includes a focus on qualitative research, a new chapter on research ethics, new sections on mixed methods research and community-based participatory research, and more.