Witold ¦migielski – – PhD research fellow in the Unit of Demography and Social Gerontology, University of Lodz.

Author of the monograph Models of family life. The Case Study of the Academic Youth in Lodz (in Polish), University of Lodz Press, 2015. Some other papers: Using ROC Curves to Find the Cut-Off Point in Logistic Regression with Unbalanced Samples, Statistics in Transition, vol. 11, nr 2, 2010 (co-authors: Janusz ¦migielski, Anna Majdzińska) and Emigration Intention of Academic Youths in View of Own Research Results (in Polish), Studia Ekonomiczne, no. 98, 2012, University of Economics in Katowice.

Main research areas: demography and sociology od family, families with disabled children, demographic transformation in Slavonic countries, survey studies in science and business. Other activities – – former principal analyst of a media market company in Warsaw.