Comparative effects of demerit tokens, response cost, and time-out to decrease self-stimulatory behavior during posture training with severely and profoundly retarded women

Wrighton, Patricia A.2012-12-212012-12-211978http://hdl.handle.net/1993/14384x, 85 leaves :engComparative effects of demerit tokens, response cost, and time-out to decrease self-stimulatory behavior during posture training with severely and profoundly retarded womendoctoral thesis