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Institute For Scientific Analysis Home The Institute for Scientific Analysis ISA is the research division of Scientific Analysis Corporation SAC a nonprofit corporation formed more than forty years ago dedicated not only to the study of social problems but also to the application of research findings in the service of solutions to those problems. Over the years we have sponsored more than one hundred research projects contributing to policy debates in a broad range of social issues including poverty social welfare education crime and delinquency mental health race and ethnicity gender child development aging violence AIDS substance abuse and health disparities among different groups in our society. The Computerassisted Survey Methods CSM group develops distributes and supports the two main products CASES and SDA. CASES is a software package used to manage the collection and processing of surveytype information.