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Barrett, Sarah L.; Uljarevic, Mirko; Baker, Emma K.; Richdale, Amanda L.; Jones, Catherine R. G.; Leekam, Susan R. – Journal of Autism and Developmental Disorders, 2015
In two studies we developed and tested a new self-report measure of restricted and repetitive behaviours (RRB) suitable for adults. In Study 1, The Repetitive Behaviours Questionnaire-2 for adults (RBQ-2A) was completed by a sample of 163 neurotypical adults. Principal components analysis revealed two components: Repetitive Motor Behaviours and…
Descriptors: Autism, Pervasive Developmental Disorders, Questionnaires, Behavior Patterns