WAIS4_Supplementary_Analysis.exe
This computer program for PCs accompanies the paper: Crawford, J. R., Garthwaite, P. H., & Longman, R. S, & Batty, A. M. (in press). Some supplementary methods for the analysis of WAIS-IV Index scores in neuropsychological assessment. Journal of Neuropsychology.
The program is for use with WAIS-IV Index scores and performs the following supplementary analyses of these scores: (a) provision of traditional confidence intervals on index scores, (b) expressing the endpoints of confidence intervals as percentile ranks; (c) quantifying the number of abnormally low index scores exhibited by a case and accompanying this with an estimate of the percentage of the normative population expected to exhibit at least this number of low scores; (d) quantifying the reliability and abnormality of index score deviations from an individual’s index score mean (thereby offering an alternative to the pairwise approach to index score comparisons available in the WAIS‑IV manual); (e) providing confidence intervals on an individual’s deviation scores or pairwise difference scores, (f) estimating the percentage of the normative population expected to exhibit at least as many abnormal deviations or abnormal pairwise differences as a case; and (g) calculating a case’s Mahalanobis Distance Index (MDI), thereby providing a multivariate estimate of the overall abnormality of an Index score profile. The methods can be applied when only a subset of the Index scores have been administered.
To download the program WAIS4_Supplementary_Analysis.exe click here and save to disk (once downloaded click on the program icon to run).
Alternatively, to download the file as a zip file click here (once downloaded unzip the file).
Your web browser is most probably configured to recognise that the file is an executable. If you have any problems (i.e. the browser treats them as text files), hold down the shift key when clicking. If your network does not allow downloads of executables then downloading the zip file is a solution.
If there are any problems please e-mail me at j.crawford@abdn.ac.uk
Further contact details can be found on my home page
To view details of further computer programs for research and practice in neuropsychology / clinical psychology click here