Authors: Abad, FJ Olea, J Ponsoda, V

Citation: Fj. Abad et al., Analysis of the optimum number alternatives from the Item Response Theory, PSICOTHEMA, 13(1), 2001, pp. 152-158

Authors: Hontangas, P Ponsoda, V Olea, J Wise, SL

Citation: P. Hontangas et al., The choice of item difficulty in self-adapted testing, EUR J PSY A, 16(1), 2000, pp. 3-12

Authors: Ponsoda, V Olea, J Rodriguez, MS Revuelta, J

Citation: V. Ponsoda et al., The effects of test difficulty manipulation in computerized adaptive testing and self-adapted testing, APPL MEAS E, 12(2), 1999, pp. 167-184