Becker, Michael Center for Educational Research, Max Planck Institute for Human Development, Max Planck Society;
https://doi.org/10.1111/j.2044-8279.2011.02051.x (Publisher version)
Retelsdorf, J., Becker, M., Köller, O., & Möller, J. (2012). Reading development in a tracked school system: A longitudinal study over 3 years using propensity score matching. British Journal of Educational Psychology, 82(4), 647-671. doi:10.1111/j.2044-8279.2011.02051.x.