@article{BeckerLuedtkeTrautweinetal.2012,
  author    = {Michael Becker and Oliver L{\"u}dtke and Ulrich Trautwein and Olaf K{\"o}ller and J{\"u}rgen Baumert},
  title     = {The differential effects of school racking on psychometric intelligence Do academic-track schools make students smarter?},
  journal   = {The journal of educational psychology},
  volume    = {104},
  number    = {3},
  pages     = {682 -- 699},
  doi       = {10.1037/a0027608},
  year      = {2012},
}