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ALERT: Before you purchase, check with your instructor or review your course syllabus to ensure that you select the correct ISBN. Several versions of Pearson's MyLab & Mastering products exist for each title, including customized versions for individual schools, and registrations are not transferable. In addition, you may need a CourseID, provided by your instructor, to register for and use Pearson's MyLab & Mastering products.PackagesAccess codes for Pearson's MyLab & Mastering products may not be included when purchasing or renting from companies other than Pearson; check with the seller before completing your purchase.Used or rental booksIf you rent or purchase a used book with an access code, the access code may have been redeemed previously and you may have to purchase a new access code.Access codesAccess codes that are purchased from sellers other than Pearson carry a higher risk of being either the wrong ISBN or a previously redeemed code. Check with the seller prior to purchase.--Presents major theories for systems addressed in generalist practiceThis text is part of the Connecting Core Competencies Series.Human Behavior and the Social Environment: Social Systems Theory provides an expanded treatment of systems theory, and applies the theory to common social work concerns. The text links systems to social roles, and provides a framework for critical assessment of the theories from the systems/roles perspective. It assesses the strengths and weaknesses of each theory with regard to the value of each theory for social work practice.Social systems theory remains the focus of this text. In addition theories are identified as grand theories, middle range theories, or focal theories, to assist the student in understanding the scope and application of theories across system sizes. This text breaks new ground in using role theory as a middle range theory to address common features of human systems at a level that is more intuitive for students, and yet detailed enou