Despite the odds, Loevinger declared her major as Psychology and managed to graduate magna cum laude at the young age of 19 years old.
Still intrigued with the world of psychology, Loevinger went on to enroll in graduate school at the University of California, Berkeley, where she was a research assistant for Erik Erikson.
Samuel Weissman worked on the weapon design of the atomic bomb in New Mexico, while Loevinger stayed at Berkeley to finish her dissertation.
The family then moved to St. Louis where Jane taught part-time at the Washington University in St.
During this time, Loevinger and her research team developed a number of studies and findings, including the renowned Washington University Sentence Completion Test.