Please cite:
Walker, G. M., Hickok, G., & Fridriksson, J. (2018). A cognitive psychometric model for assessment of picture naming abilities in aphasia. Psychological Assessment, 30(6), 809. http://dx.doi.org/10.1037/pas0000529
This website allows the user to enter item-level response type data from the Philadelphia Naming Test to obtain estimates of latent cognitive abilities.
Ability estimates are derived from a cognitive psychometric model of the picture naming process (Walker, Hickok, & Fridriksson, 2018).
Percentile scores are relative to a group of 365 participants with aphasia (September 2016).
PLEASE NOTE: This website is intended for demonstration purposes. It uses a Metropolis-Hastings sampler that is not guaranteed to produce the same parameter estimates as those reported by Walker, Hickok, & Fridriksson (2018). The MATLAB code implementing Gibbs sampling is recommended for model fitting.
Download a pre-publication version of the manuscript document.
Download MATLAB files with data and model fitting code.
Download Excel files with clinical and demographic data and model estimates for all participants in the normative cohort.
Download Excel files with lexical property data and model estimates for all items on the Philadelphia Naming Test.
Download Excel files with several columns of formatted example data (originally from www.mappd.org).
| Response types (Enter numbers below): |
|---|---|
| (1) Correct | |
| (2) Semantic | |
| (3) Formal | |
| (4) Mixed | |
| (5) Unrelated | |
| (6) Neologism | |
| (7) Abstruse Neologism | |
| (8) No Attempt | |
| (0) Missing Data |