Simplify the following text for a Grade 15 native English-speaking person.
Original: She has been Visiting Professor at the University of Linkoping in Sweden , Visiting Research Scholar at the Massachusetts Institute of Technology ( MIT ) , and Lecturer at the State Institute for Islamic Studies ( IAIN Sunan Kalijaga ) , Center for Women Studies , Yogyakarta , Indonesia .
Simplified: She has been the Five College ( Amherst , Hampshire , Mt. Holyoke , Smith and the University of Massachusetts ) Professor of Womenâ s Studies and Medical Ethics ( 1975 â `` 78 ) , Visiting Research Scholar at the Massachusetts Institute of Technology ( 1990 â `` 91 ) , Visiting Professor at the University of Linkoping in Sweden ( 1995 ) , and Lecturer at the State Institute for Islamic Studies ( IAIN Sunan Kalijaga ) , Center for Women Studies , Yogyakarta , Indonesia ( 2002 ) .