Mathematical foundations of and empirical investigations into the dynamic of top positions: Stabilization effect, reserved Matthew Effect, and Heraclitus Effect (2013) Ziegler AJ, Heckel A, Ziegler A Journal article A cross-cultural validation study of the Questionnaire of Educational and Learning Capital (QELC) in China, Germany and Turkey (2013) Vladut A, Liu Q, Leana-Tasçilar M, Vialle W, Ziegler A Journal article, Original article Identifying the causes of underachievement: A plea for the inclusion of fine motor skills (2013) Stöger H, Suggate S, Ziegler A Journal article Configural Frequency Analysis (CFA) and other non-parametrical statistical methods: Introduction to Special Topic (Part I) (2012) Stemmler M, von Eye A Journal article, Original article The stability of externalizing behavior in boys from preschool age to adolescence: A person-oriented analysis (2012) Stemmler M, Lösel F Journal article, Original article Configural Frequency Analysis (CFA) and other non-parametrical statistical methods: Introduction to Special Topic (Part II) (2012) Stemmler M, von Eye A Journal article, Original article Continuity and patterns of externalizing and internalizing behavior problems in girls: A variable- and person-oriented study from preschool to youth age (2012) Lösel F, Stemmler M Journal article, Original article Actiotope model and self-regulated learning (2011) Ziegler A, Stöger H Journal article, Original article Quantitative approaches to the study of self-regulated learning (2011) Ziegler A, Stöger H, Porath M Journal article, Original article New approaches to the study of self-regulated learning (2010) Porath M, Stöger H, Ziegler A Journal article, Original article