Copyright © American Speech-Language-Hearing Association From: Development and Simulation Testing of a Computerized Adaptive Version of the Philadelphia Naming Test J Speech Lang Hear Res. 2015;58(3):878-890. doi:10.1044/2015_JSLHR-L-14-0297 Legend: Plot of one-parameter logistic model standard error curves as a function of naming ability for the simulated static Philadelphia Naming Test (PNT) short forms (PNT30A, PNT30B), the 30-item and variable-length computerized adaptive PNTs (PNT-CAT30, PNT-CATVL), and the full 175-item PNT. The histogram in the lower panel shows the distribution of naming-ability estimates from the full PNT. Date of download: 11/14/2017 Copyright © American Speech-Language-Hearing Association