SIPP
SIPP usually refers to a self‑invested personal pension—a flexible retirement savings vehicle in the UK—though the acronym also labels a major U.S. survey of income and program participation.
Medical
Miscellaneous
Sippsurvey Of Income And Program Participation
Strategic Injury Prevention Partnership
Seriessurvey Of Income And Program Participation
Southern Illinois People and Places
Structure of Interactive Psycho Philosophy
Community
Academic & Science
Student Installment Payment Plan
Stitute In Political Psychology
Summer Institute in Political Psychology