title: Conditional discrimination by adults with mental retardation: establishing relations between physically identical stimuli.
authors.affiliation: University of Kansas, USA.
authors.forename: K J
authors.initials: KJ
authors.lastname: Saunders
authors.forename: D C
authors.initials: DC
authors.lastname: Williams
authors.forename: J E
authors.initials: JE
authors.lastname: Spradlin
mesh_terms: D000328:Adult; D001288:Attention; D004193:Discrimination Learning; D005246:Feedback; D006801:Humans; D008607:Intellectual Disability / Q000523:psychology*; D007360:Intelligence; D008297:Male; D010364:Pattern Recognition, Visual; D011597:Psychomotor Performance; D014040:Token Economy