Psychometric Properties of the Boston Qualitative Scoring System for the Rey-Osterrieth Complex Figure

Abstract

Interrater and internal consistency reliabilities were computed for the Boston Qualitative Scoring System, a newly developed system for scoring the Rey-Osterrieth Complex Figure. Subjects (N = 108) included males with right hemisphere stroke (n = 46), left hemisphere stroke (n = 20), dementia (n = 21), and normal controls (n = 21). Interrater reliability coefficients for all scales except asymmetry, which had a reliability coefficient of .2013, ranged from .6342 to .9919, with most in the good to excellent range. Internal consistency reliabilities ranged from .7774 to .9128, also with most in the good to excellent range. Discriminant indices of visuospatial accuracy scales found the scoring system to be useful in distinguishing between individuals based on visuospatial scores.

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