TY - GEN AU - McGill,P AU - Hughes,D AU - Teer,K AU - Rye,L TI - Variability in staff reports of the frequency of challenging behavior SN - 0891-4222 PY - 2001///1011 KW - Adolescent KW - Adult KW - Aggression KW - Developmental Disabilities KW - psychology KW - Female KW - Humans KW - Incidence KW - Male KW - Middle Aged KW - Observer Variation KW - Professional-Patient Relations KW - Reproducibility of Results KW - Stereotyped Behavior N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1016/s0891-4222(01)00069-5 ER -