TY - JOUR T1 - Detection of aberrant item score patterns in computerized adaptive testing: An empirical example using the CUSUM JF - Personality and Individual Differences Y1 - 2010 A1 - Egberink, I. J. L. A1 - Meijer, R. R. A1 - Veldkamp, B. P. A1 - Schakel, L. A1 - Smid, N. G. KW - CAT KW - computerized adaptive testing KW - CUSUM approach KW - person Fit AB - The scalability of individual trait scores on a computerized adaptive test (CAT) was assessed through investigating the consistency of individual item score patterns. A sample of N = 428 persons completed a personality CAT as part of a career development procedure. To detect inconsistent item score patterns, we used a cumulative sum (CUSUM) procedure. Combined information from the CUSUM, other personality measures, and interviews showed that similar estimated trait values may have a different interpretation.Implications for computer-based assessment are discussed. VL - 48 SN - 01918869 ER -