1. Barak, A. (1981). Vocational interests: A cognitive view. Journal of Vocational Behavior, 19(1), 1–14.
2. BFS (Bundesamt für Statistik) (2018). Taschenstatistik der Schweiz 2018. Neuchâtel: Bundesamt für Statistik.
3. Blömeke, S.; Gustafsson, J.-E. & Shavelson, R. J. (2015). Beyond dichotomies: Competence viewed as a continuum. Zeitschrift für Psychologie, 223(1), 3–13.
4. Blömeke, S. & Kaiser, G. (2017). Understanding the development of teachers’ professional competencies as personally, situationally and socially determined. In D. J. Clandinin & J. Husu (Eds.), The SAGE Handbook of Research on Teacher Education (pp. 783–802). London: Sage.
5. Bollen, K. A. & Curran, P. J. (2006). Latent Curve Models. A Structural Equation Perspective. Hoboken, New Jersey: Wiley-Interscience.