Pieter C. Duker

Meta-analytic study on treatment effectiveness for problem behaviors with individuals who have mental retardation.

Robert Didden, Pieter C. Duker, Hubert Korzilius · PubMed · 1997 · 308 citations

Psychotherapy, Disability, Meta-analytic Study +16

Effects of intentions and consequences on children's evaluations of aggressors.

Brendan Gail Rule, Pieter C. Duker · Journal of Personality and Social Psychology · 1973 · 55 citations

Child Psychology, Behavioral Sciences, Cognitive Science +13

INDUCING VARIABILITY IN COMMUNICATIVE GESTURES USED BY SEVERELY RETARDED INDIVIDUALS

Pieter C. Duker, Chretienne van Lent · Journal of Applied Behavior Analysis · 1991 · 55 citations · Full text

The Motivation Assessment Scale: Reliability and Construct Validity Across Three Topographies of Behavior 11Funds for this study were obtained from The Winckelsteegh Residential Facility and Stichting Behandeling en Onderzoek Zwakzinnigen. Helga Langkamp is greatly acknowledged for her assistance.

Pieter C. Duker, Jeff Sigafoos · Research in Developmental Disabilities · 1998 · 53 citations

Achievement Goal, Behavioral Sciences, Motivation Assessment Scale +10

Communicative functioning in individuals with Angelman syndrome: a comparative study

Robert Didden, Hubert Korzilius, Pieter C. Duker et al. · Disability and Rehabilitation · 2004 · 51 citations