Journal Article
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. https://doi.org/10.1111/j.2044-8279.2011.02051.x