00991nam a2200277Ia 450000100070000000500170000700800410002401000170006502000300008202000270011203500240013903500210016304000400018405000210022408200240024510000430026924500680031226000370038030000290041749000460044650400660049265000320055865000250059065000490061565000490066429673520170223064025.0081024s2009 nyua b 001 0 eng  a 2008043393 a9781593858698 (hardcover) a1593858698 (hardcover) a(OCoLC)ocn270230503 a(OCoLC)270230503 aDLCcDLCdC#PdYDXCPdBWXdCDXdDLC00aH61.25b.D4 200900a150.287bD2859t2221 aDe Ayala, R. J.q(Rafael Jaime)2Local14aThe theory and practice of item response theorycR.J. de Ayala. aNew YorkbGuilford Presscc2009. axv, 448 p.bill.c26 cm.1 aMethodology in the social sciences2Local aIncludes bibliographical references (p. 419-438) and indexes. 0aItem response theory2Local 0aPsychometrics2Local 0aSocial sciencesxStatistical methods.2Local 0aSocial sciencesxMathematical models.2Local