Human services is an interdisciplinary field of study with the objective of meeting human needs through an applied knowledge base, focusing on prevention as well as remediation of problems, and maintaining a commitment to improving the overall quality of life of service populations. The process involves the study of social technologies (practice methods, models, and theories), service technologies (programs, organizations, and systems), and scientific innovations designed to ameliorate problems and enhance the quality of life of individuals, families and communities to improve the delivery of service with better coordination, accessibility and accountability. The mission of human services is to promote a practice that involves simultaneously working at all levels of society (whole-person a