The SKT neuropsychological test battery.

The SKT is a brief neuropsychological test battery that includes nine performance subtests that define two independent factors of memory and attention deficit. It requires no more than 15 minutes to administer and has five parallel forms. Developed in Germany, it has been used successfully to document improved performance of patients in trials of antidementia drugs in that country. This article addresses factor structure and scoring, dementia profile classification, reliability, and validity data. The SKT appears to hold promise for efficient assessment of objective performance changes to supplement clinical evaluations of therapeutic efficacy of new drugs for treatment of senile dementia.