ICPSR is the world's largest collection of digital social science data which can be used for secondary research, instructional activities, and to write articles, papers or theses - set up MyData account to begin. First-time users will be asked to create an ICPSR MyData account which must be done from an on-campus computer. Once the account is created, access is from anywhere. The account remains active for 6 months, after which time it must be reactivated from an on-campus computer.