TY - GEN AU - Gottschalk,J M AU - Libby,M E AU - Graff,R B TI - The effects of establishing operations on preference assessment outcomes SN - 0021-8855 PY - 2000///0518 KW - Autistic Disorder KW - psychology KW - Behavior Therapy KW - Child KW - Choice Behavior KW - Female KW - Humans KW - Intellectual Disability KW - Male KW - Motivation KW - Token Economy N1 - Publication Type: Journal Article UR - https://doi.org/10.1901/jaba.2000.33-85 ER -