A program that calculates the Mahalanobis Distance Index of the abnormality of an individual's subtest scatter on the WAIS-R. The method was developed by Burgess (1991). The current version can only be used with a full-length WAIS-R; I may get round to modifying it for use with short-forms. To download click here.For essential background details on the psychometric methods implemented in the program see the following papers:
|Burgess, A. (1991). Profile analysis of the Wechsler Intelligence Scales: a new index of subtest scatter. British Journal of Clinical Psychology, 30, 257-263.|
|Crawford, J. R. & Allan, K. M. (1994). The Mahalanobis distance index of WAIS-R subtest scatter: psychometric properties in a healthy UK sample. British Journal of Clinical Psychology, 33, 65-69.|
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