Response interruption and redirection to reduce vocal stereotypy.

Ursula Cassidy, Katerina Dounavi, Trish Carolan

Research output: Contribution to conferencePaperpeer-review


Persistent difficulties in social communication and the presence of stereotypical behaviour are amongst the diagnostic criteria for Autism Spectrum Disorder (ASD). Delayed echolalia (a form of vocal stereotypy) is common among individuals with ASD and its presence can limit the student’s ability to access the curriculum and learn appropriate play and social skills. For individuals who engage in vocal stereotypy, developing functional communication skills is an essential element of their individualised education plan.
The aim of this study was to evaluate the effectiveness of Response Interruption and Redirection (RIRD) as a treatment to decrease inappropriate vocalisations. The participants of the study were two males both aged 7 years. Assessment tools employed indicated automatic reinforcement as the primary maintaining variable. An ABAB design was used to evaluate the effects of response interruption and redirection on vocal stereotypy including delayed echolalia. Results of the study showed that RIRD produced a significant reduction in vocal stereotypy across both participants. This outcome provides further support to previous research on the effectiveness of RIRD in reducing vocal stereotypy.
Original languageEnglish
Publication statusPublished - 2017
Event11th Annual Conference of the Division of Behaviour Analysis, The Psychological Society of Ireland - Trinity College Dublin, Dublin, Ireland
Duration: 12 May 201713 May 2017


Conference11th Annual Conference of the Division of Behaviour Analysis, The Psychological Society of Ireland


  • Autism Spectrum Disorders
  • response interruption and redirection
  • vocal stereotypy


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