Policy Studies | 1,177 followers on LinkedIn. On April 30, 2012, Policy Studies Inc. was acquired by MAXIMUS (www.maximus.com). PSI uses its comprehensive understanding of public policy and programs to develop effective, affordable operational solutions that match individuals with needs to government-funded services. These access management solutions encompass start-to-finish activities that include: policy and process planning, population segmentation and predictive analytics; social marketing and outreach to target populations, intake and application processing, eligibility screening, referral assistance, program enrollment, case and churn management, and reporting and analytics.