"Focused on discussing what is considered to be "good" research, this text explains quantitative, qualitative, and mixed methods in detail, incorporating the viewpoints of various research paradigms into the descriptions of these methods. Approximately 60% of the content in this Third Edition is new, with a number of current examples." "This is a core or supplemental text for research courses in departments of education, psychology, sociology, social work, and other human services disciplines."--BOOK JACKET.