@conference{ef5be260b11d49d4a17ce6821ae7f019,
title = "De weet-niet optie in juist/onjuist items bij voortgangstoetsing: Effect op constructvaliditeit",
author = "C.J. Ravesloot and \{van der Schaaf\}, M.F. and C.L.J.J. Kruitwagen and C. Haaring and F.J.A. Beek and \{van Schaik\}, J.P.J. and \{ten Cate\}, Th.J.",
note = "Paper gepresenteerd op NVMO congres, 15-16 november; Paper gepresenteerd op NVMO congres, 15-16 november ; Conference date: 01-01-2012",
year = "2012",
language = "Undefined/Unknown",
}