TY - CONF TI - Who becomes a physics major? A long-term longitudinal study examining the roles of pre-college beliefs about physics and learning physics, interest, and academic achievement AU - Perkins, Katherine K AU - Gratny, Mindy T2 - AIP Conference Proceedings DA - 2010/// PY - 2010 VL - 1289 SP - 253 EP - 256 PB - AIP SN - 0-7354-0844-0 UR - http://dx.doi.org/10.1063/1.3515214 ER -