Within-Family Differences Study 
 

Investigators

J. Jill Suitor

PI

J. Jill Suitor, Ph.D., is Distinguished Professor of Sociology and a member of the Center on Aging and the Life Course at Purdue University. Her research focuses primarily on the relationship between parents and adult children. Since 2000, she has led the Within-Family Differences Study, a panel investigation of the predictors and consequences of parental favoritism in the middle and later years among more than 500 multigenerational families.

Megan Gilligan

Co-Investigator on the WFDS-III and Co-PI on the WFDS-B Feasibility Study

Megan Gilligan, Ph.D., is an Associate Professor of Human Development and Family Studies and a Faculty Associate of the Gerontology Program at Iowa State University. Dr. Gilligan’s research focuses on family relationships and well-being, with particular interest in parent-child and sibling relationships in the middle and later years.
Karl Pillemer

Co-PI on the WFDS-I&II

Dr. Karl Pillemer is the Hazel E. Reed Professor in the Department of Human Development and Professor of Gerontology in Medicine at the Weill Cornell Medical College.

 

Research Staff

 

Siyun Peng

Post-Doctoral Fellow, Indiana University

Siyun Peng earned his dual title Ph.D. in Sociology and Gerontology at Purdue. His research focuses on health, aging, family, marriage, and social networks.

 

 

Marissa Rurka

Graduate Project Coordinator

Marissa Rurka is a Ph.D. candidate in the Department of Sociology and Gerontology, and a member of the Center on Aging and the Life Course at Purdue University. She is primarily interested in how family relationships influence health and well-being in mid- and later-life, particularly within the context of caregiving.

 

 

Yifei Hou

Senior Graduate Research Assistant

Yifei Hou is a dual title Ph.D. student in Sociology and Gerontology, and a member of the Center on Aging and the Life Course at Purdue University. Her research interest focuses on family relations and caregiving in western and Chinese contexts, with particular interest in sibling substitution and gender roles.

 

 

Catherine Stepniak

Graduate Research Assistant

Catherine Stepniak is a dual title Ph.D. student in Sociology and Gerontology, and a member of the Center on Aging and the Life Course at Purdue. She primarily is interested in sibling relationships in adulthood. Her research interests also include aging, caregiving, family, and health.

 

 

Reilly Kate Kincaid

Graduate Research Assistant

Reilly Kate Kincaid is a graduate student in the Department of Sociology at Purdue. Her research interests involve marriage, family, and gender, across the life course, including divisions of labor, work-family conflict, parent-child relations in older adulthood, and marital power dynamics.

 

 

Rob Fraise

Graduate Research Assistant

Robert Frase is a Ph.D. student in the Sociology Department at Purdue University. His research interests include health inequalities, education, and quantitative methods.

 

 

Destiny Ogle

Undergraduate Research Assistant

Destiny Ogle is an undergraduate student at Purdue University. She is majoring in sociology and minoring in communications. Her research interests include family, marriage, and aging.