n. a method of appraising human behavior against a preferred level of performance. More of a behavior-based measure, it is useful not only in job appraisals and classroom evaluations but also in the assessment of medical conditions. Using several questionnaires, the scale measures desired behaviors as to frequency and intensity.

BEHAVIORAL OBSERVATION SCALE (BOS): "The Behavioral Observation Scale (BOS) if often used in appraising candidates for higher-level tasks and supervisory positions."
Cite this page: N., Pam M.S., "BEHAVIORAL OBSERVATION SCALE (BOS)," in, April 7, 2013, (accessed September 22, 2021).