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method of adjustment

a psychophysical technique in which the participant adjusts a variable stimulus to match a constant or standard. For example, the observer is shown a standard visual stimulus of a specific intensity and is asked to adjust a comparison stimulus to match the brightness of the standard. Also called adjustment method; error method; method of average error; method of equivalents.

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Psychology term of the day

January 30th 2025

Katz Index of Activities of Daily Living

Katz Index of Activities of Daily Living

an observer-based measure of the functional status of older adults and individuals with chronic disorders. An individual is rated on the degree of assistance required to perform six basic functions: bathing, dressing, feeding, toileting, transferring, and continence. Baseline measurements provide useful feedback when compared to periodic or subsequent measurements. Also called Katz Index of Independence in Activities of Daily Living. [originally developed in 1963 by Sidney Katz (d. 2012), U.S. physician and geriatrician]