Gender differences in mathematics and science: The role of the actiotope in determining individuals' achievements and confidence in their own abilities (2014) Ziegler A, Stöger H, Harder B, Park K, Portesová S, Porath M Journal article, Original article Student perceptions of high-achieving classmates (2013) Händel M, Vialle W, Ziegler A Journal article, Original article Exceptionality and gifted education: a re-examination of its hard core (2012) Ziegler A, Phillipson SN Journal article, Original article The current need for a system-theoretical background in counseling the gifted (2012) Harder B Journal article, Original article Towards a systemic theory of gifted education (2012) Ziegler A, Phillipson SN Journal article, Original article Mentoring: A review (2010) Grassinger R, Porath M, Ziegler A Journal article Implicit personality theories on the modifiability and stability of the action repertoire as a meaningful framework for individual motivation: A cross-cultural study (2010) Ziegler A, Fidelman M, Reutlinger M, Vialle W, Stöger H Journal article, Original article Mentoring the gifted: a conceptual analysis (2010) Ziegler A, Grassinger R, Porath M Journal article, Original article The paradoxical attenuation effect in tests based on classical test theory: Mathematical background and practical implications for the measurement of high abilities (2009) Ziegler A Journal article, Original article