At 11:18 PM -0400 8/28/01, MnFamilyMan@aol.com wrote:
>a mechanism...some empirically scientific method...
Eric:
The underscores above are mine, to remind you of the chief guiding
principle for all test users: The inherent imperfections in any
single test instrument or procedure point to the need for multiple
sources of data in high-stakes decision-making. No single test score
or indicator should be used to identify (not diagnose; can we get
away from the medical terminology?) disability. Such decision-making
must take into consideration alternative data sources (e.g., work
samples, observations, anecdotal information) in addition to the
"scientifically normed tools."
Ruth Berry
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