Abstract

This chapter deals with the methods used in neuropsychology to examine brain functioning. These methods are research and applied assessment procedures. Assessment procedures are based on double disassociation (Teuber and Reitan). Generally, they are combined into multiple disassociations. These compose a standardized integrated battery. Standardized batteries consist of either fixed raw scores or scale scores. Standardization requires a common metric, conorming, demographic adjustments, and comprehensive content. Scale scores may have universal coverage from about age five to an adult IQ of 140. Absolute scales are fixed and are not direct samples of a particular population. The content of tests requires comprehensiveness, balance, redundancy, and efficiency. This chapter emphasizes the use of test batteries, because psychometrics has examined individual tests to a far greater extent than this work can deal with. It will examine the way a neuropsychological assessment battery should be constructed in order to model the functioning of the brain. This presents the basic psychometric theory for constructing an assessment battery.

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