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Research in Developmental Disabilities|July 1, 1996
Long-term use of electrical aversion treatment with self-injurious behaviorP C Duker, D M Seys
American Journal of Mental Deficiency|January 1, 1986
Effects of a supervisory treatment package on staff-mentally retarded resident interactionsD M Seys, P C Duker
Zeitschrift Fur Klinische Psychologie Und Psychotherapie|January 1, 1980
[Use of aversive stimuli in serious behavior disorders of mentally disturbed patients]P C Duker, D M Seys
Applied Research in Mental Retardation|January 1, 1985
A program to increase manual signs with severely/profoundly mentally retarded students in natural environmentsP C Duker, X M Moonen
Journal of Behavior Therapy and Experimental Psychiatry|June 1, 1997
An inventory method for assessing the degree of restraint imposed by othersP C Duker, D M Seys
American Annals of the Deaf|October 1, 1993
Acquisition and generalization of social behaviors in language-disabled deaf childrenE J Rasing, P C Duker
Applied Research in Mental Retardation|January 1, 1983
Cross-setting generalization of manual signs to verbal instructions with severely retarded childrenP C Duker, H M Michielsen
Research in Developmental Disabilities|November 1, 1995
Effectiveness of delayed feedback on the accuracy of teaching communicative gestures to individuals with severe mental retardationP C Duker, Y Hensgens, S Venderbosch
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