BEHAVIORAL OBSERVATION SCALE (BOS) By N., Pam M.S. - April 7, 2013 Way of measuring job performance based on a measure of behaviour. Compare to behaviourally anchored rating scale, mixed standard scale. See Critical incident technique. BEHAVIORAL OBSERVATION SCALE (BOS): "Joe's boss uses behaviour observation scale to measure his performance." Related Psychology Terms BEHAVIORALLY ANCHORED RATING SCALE (BARS) BIPOLAR RATING SCALE BEHAVIORAL OBSERVATION SCALE (BOS) BENCHMARK BORG SCALE LIFE-CHANGE UNIT (LCU) STANINE ANCHORING BORG SCALE CRITERION-REFERENCED TESTING Cite this page: N., Pam M.S., "BEHAVIORAL OBSERVATION SCALE (BOS)," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/behavioral-observation-scale-bos-2/ (accessed October 18, 2019).