Adrienne Perry


Director, Psychology Graduate Program
Behaviour Analyst

Locations / Contact Info:

133B Behavioural Science - BSB
Keele Campus
Phone: 416 736 2100 Ext. 33765

Email address(es):
Graduate Students please email:

Faculty & School/Dept.

Faculty of Health - Department of Psychology


Ph. D. in Clinical-Developmental Psychology - 1990
York University
Toronto, ON

M.A. in Psychology (Developmental/Clinical Option) - 1984
York University
Toronto, ON

Honours B.A. in Psychology - 1978
McMaster University
Hamilton, ON


Dr. Perry is a Psychologist and Behaviour Analyst.  She is a full Professor in the Department of Psychology, Faculty of Health, at YorkUniversity. 

Dr. Perry joined the York faculty in 2002.  She teaches graduate courses in the Clinical-Developmental program including: psychoeducational assessment, clinical assessment and diagnosis, supervision and consultation, and autism and developmental disorders. She supervises a large number of graduate students both academically and clinically in the York University Psychology Clinic.  Her research focus is in the area of autism and developmental disabilities including assessment/diagnosis, family issues, and intervention effectiveness, particularly intensive behavioural intervention. Dr. Perry practices as a scientist/practitioner, whereby her research, clinical practice, training & supervision, and policy work are all integrated. She is actively involved in Ontario-based organizations related to autism, developmental disabilities, and behaviour analysis. 

Dr. Perry worked as a Psychologist and Coordinator of Research for the TRE-ADD program (Treatment, Research, and Education for Autism and Developmental Disorders) at Thistletown Regional Centre. In addition, Dr. Perry has consulted extensively to the provincial Ministry of Children and Youth Services regarding early intervention for children with autism and related matters.  She has served on various expert panels related to these controversial issues.

Selected Publications

 Books & Monographs:

Perry, A. & Condillac, R.A. (2003). Evidence-based practices for children and adolescents with Autism Spectrum Disorders: Review of the literature and practice guide. Toronto: Children's Mental Health Ontario.

Recent Chapters:

Perry, A., Koudys, J., Dunlap, G., & Black, A. (2017). Chapter 16.  Autism Spectrum Disorder.  In M. Wehmeyer, K. Shogren, &  A. Fung (Eds.).  A Comprehensive Guide to Intellectual and Developmental Disabilities.  Baltimore, MD: Brookes.

Perry, A., Koudys, J., & Blacklock, K. (2016).  Early intensive behavioural intervention and training.  In N.N. Singh (Ed.), Clinical Handbook of Evidence-based Practices for Individuals with Intellectual Disabilities.  Springer.  DOI: 10.1007/978-3-319-26583-4

Perry, A., Loh, A., Carter, M., Dunlap, G., Black, A., & Wells, K.  (2011).  Autism and related disabilities. In  I. Brown & M. Percy (Eds.). Developmental disabilities in Ontario 3rd ed. (pp. 337-359).  Toronto, ON: OADD.


Articles in Refereed Journals (in order of recency):

Weiss, J.A., Ting, V., & Perry, A. (in press).  Psychosocial correlates of psychiatric diagnoses and maladaptive behaviour in youth with severe developmental disability.  Journal of Intellectual Disability Research.  DOI: 10.111/jir.12278.

Taheri, A., Perry, A., & Minnes, P. (2016).  Examining the social participation of children and adolescents with Intellectual Disabilities and Autism Spectrum Disorder in relation to peers. Journal of Intellectual Disability Research, 60(5), 435-443. DOI: 10.1111/jir.12289

Perry, A., & Isaacs, B. (2015).  Validity of the Family Quality of Life Survey-2006. Journal of Applied Research in Intellectual Disabilities.  DOI: 10.1111/jar.12141

Perry, A., Taheri, A., Ting, V., & Weiss, J. (2015). The GO4KIDDS Brief Adaptive Scale. Journal of Applied Research in Intellectual Disabilities.  DOI: 10.1111/jar.12143

Solish, A., Perry, A., & Shine, R. (2015). The Parent Involvement Questionnaire: Measuring parents’ involvement in behavioural intervention for their children with autism.  Journal on Developmental Disabilities, 21(1), 35-46

Minnes, P., Perry, A., & Weiss, J. (2015).  Predictors of distress and well-being in parents of young children with developmental delays and disabilities: The importance of parent perceptions. Journal of Intellectual Disabilities Research 59(6), 551-560.  DOI: 10.1111/jir.12160.

McMorris, C.&  Perry, A. (2015). The criterion validity of the Pervasive Developmental Disorders Behavior Inventory.  Autism, 19(3), 272-80. DOI: 10. 1177?1362361313518123. 

Carvalho, M., Perry, A., Bebko, J., & Minnes, P. (2014). Social inclusion of Ontario children with developmental disabilities in community settings.  Journal on Developmental Disabilities, 20(3),88-93.

Colavita, V., Luthra, N., & Perry, A. (2014). Strengths and challenges of children with a disability: A qualitative analysis of parent perceptions.  Journal on Developmental Disabilities, 20(3),83-87.

Taheri, A., Perry, A., & Factor, D.C. (2014).   A further examination of the DSM-5 ASD criteria in practice. Journal on Developmental Disabilities, 20(1), 92-97.

Shuster, J., Perry, A., Bebko, J., & Toplak, M.  (2014).  Review of factor analytic studies examining symptoms of autism spectrum disorders. Journal of Autism and Developmental Disorders, 44, 90-110. 

Blacklock, K., Perry, A., & Dunn Geier, J. (2014).  Examining the effectiveness of Intensive Behavioural Intervention in children with autism aged 6 and older.  Journal on Developmental Disabilities, 20 (1), 38-50.

Perry, A., Blacklock, K., & Dunn Geier, J.  (2013).  The relative importance of age and IQ as predictors of outcomes.  Research in Autism Spectrum Disorders, 7, 1142-1150.

Villeneuve, M., Chatenoud, C., Hutchinson, N.L.,  Minnes, P., Perry, A.,  Dionne, C.,  Frankel, E.B., Isaacs, B., Loh, A., Versnel, J., Weiss, J. (2013). The experience of parents as their children with Developmental Disabilities from early intervention  to kindergarten. Canadian Journal of Education, 36 (1), 4-43.  

Whitehead, S., Blacklock, K., & Perry, A. (2012).  Reliability of the York Measure of Quality of Intensive Behavioural Intervention (YMQI).  Journal on Developmental Disabilities, 18(3), 63-67.

Blacklock, K., Weiss, O., Perry, A., & Freeman, N.L. (2012).   Parents’ perception of progress versus children's actual progress in IBI.  Journal on Developmental Disabilities, 18(3), 60-62.

Taheri, A., & Perry, A. (2012).   Exploring the Proposed DSM-5 Criteria in a Clinical Sample.  Journal of Autism and Developmental Disorders, 42, 1810-1817.

Flanagan, H.E., Perry, A., & Freeman, N.L.  (2012). Effectiveness of large-scale, community-based intensive behavioural intervention: A waitlist comparison study exploring outcome and predictors. Research in Autism Spectrum Disorders, 6, 673-682.

Minnes, P., Hutchinson, N., Ouellette-Kuntz, H., Villeneuve, M., Chatenoud, C., Dionne, C., Frankel, E., Isaacs, B., Loh, A., Perry, A., Weiss, J., & Versnel, J. (2012). Including children with developmental disabilities. International Innovation: Healthcare (Research Media, UK), 16, 72-74.

Luthra, N., & Perry, A. (2011).  Knowledge as coping in parents of children with autism. Journal on Developmental Disabilities, 17(2), 79-82.

Levy, A.J., & Perry, A. (2011).  Outcomes in adolescents and adults with autism: A review of the literature.  Research in Autism Spectrum Disorders, 5, 1271-1282.

VanAdel, J.M., Dunn Geier, J., Perry, A., & Reitzel, J. (2011).  Credible knowledge: A pilot evaluation of a modified  GRADE method using parent-implemented interventions for children with autism. BMC Health Services Research, 11, 60-79.

Hassan, N., & Perry, A.  (2011).  Brief report:  Exploring the characteristics of children with a diagnosis of PDD-NOS. Journal on Developmental Disabilities, 17(1), 68-71.

 Perry, A., Cummings, A., Dunn Geier, J., Freeman, N.L., Hughes, S., Managan, T., Reitzel, J., & Williams, J. (2011). Predictors of outcome for children receiving Intensive Behavioral Intervention in a large, community-based program.  Research in Autism Spectrum Disorders, 5, 592-603.

Weiss, O., Perry, A. & Wells (2010).  Brief Report: Maladaptive behaviour in autism. Journal on Developmental Disabilities, 16(2), 69-71.

Blacklock, K., & Perry, A.  (2010). Testing the application of benchmarks for children in Ontario’s IBI program: Six case studies. Journal on Developmental Disabilities, 16(2), 33-43.

Perry, A., & Condillac, R.A. (2010). The TRE-ADD Preschool Parent Training Program: Program evaluation of an innovative service delivery model.  Journal on Developmental Disabilities, 16(2), 8-16.

Freeman, N.L., & Perry, A. (2010). Outcomes of Intensive Behavioural Intervention in the Toronto Preschool Autism Service.  Journal on Developmental Disabilities, 16(2), 17-32.

Shine, R. & Perry, A. (2010). Brief Report: The relationship between parental stress and intervention outcome of children with autism. Journal on Developmental Disabilities, 16(2), 64-66.

Solish, A., Perry, A., & Minnes, P. (2010).  Participation of children with and without disabilities in social, recreational, and leisure activities. Journal of Applied Research in Disabilities, 23, 226-236.

Wells, K., Condillac, R.A., Perry, A., & Factor, D.C. (2009).  Comparison of three adaptive behaviour measures in autism in relation to cognitive level and severity of autism. Journal on Developmental Disabilities, 15(3), 55-63.

Perry, A., Flanagan, H.E., Dunn Geier, J., & Freeman, N.L. (2009). The Vineland Adaptive Behavior Scales in young  children with autism spectrum disorders at different cognitive levels.  Journal of Autism and Developmental Disorders, 39, 1066-1078.

Perry, A. Cummings, A., Dunn Geier, J., Freeman, N., Hughes, S., LaRose, L., Managhan, T., Reitzel, J., & Williams, J.  (2008). Effectiveness of Intensive Behavioral Intervention in a large, community-based program. Research in Autism Spectrum Disorders, 2, 621-642.

Solish, A. & Perry, A. (2008). The role of parent involvement in child outcome in IBI. Research in Autism Spectrum Disorders, 2, 728-738.


Other Research Outputs

York System of Quality Assurance (YSQA)

Perry, A., Koudys, J., & Sheese, K. (2008). The York System of Quality Assurance for Intensive Behavioural Intervention programs. Unpublished Manual, York University.

York Measure of Quality of IBI (YMQI)

Perry, A., Prichard, E.A., & Penn, H.E. (2008). The York Measure of Quality of Intensive Behavioural Intervention. Unpublished Manual, York University.

For further information, please contact



Directors’ Award of Excellence - 2000

Award for Excellence in Research - 2005

Amethyst Award - 2001

Graduate Teaching Award - 2007

Award for Excellence in Research in Applied Behaviour Analys - 2007

June Callwood "Inspiring Hope" Award - 2010

Thistletown Regional Centre, Lifetime Achievement Award - 2012


Currently available to supervise graduate students: Yes

Currently taking on work-study students, Graduate Assistants or Volunteers: Yes

Available to supervise undergraduate thesis projects: Yes

Current Research


Effectiveness of Intensive Behavioural Intervention (IBI) for Children with Autism

  • Follow-up of adolescents who receive EIBI as young children
  • Social-emotional status of adolescents who received EIBI as young children
  • Prospective study

Measuring Quality of IBI Treatment

  • York Measure of Quality of Intensive Behavioural Intervention
  • York System of Quality Assurance
  • Dimensions of quality in IBI

Diagnostic Measures and Processes

  • CARS in different age and IQ groups
  • Systematic review of ASD measures
  • Survey of Canadaian professionals diagnosing ASD

Families of Children with Autism and Developmental Disabilities

  • Perry model of family stress in families of children with developmental disabilities
  • Factors related to parent involvement in IBI: parent & therapist perspectives
  • Examining family stress as predictor of children’s outcomes in IBI
  • Role of culture in impact of autism on families
  • Predicting positive outcomes and quality of life for parents of children with autism
  • Coping and supports as moderators of distress in parents of children with developmental delays
  • Lived experience of parents of adolescents

Social Inclusion and Activity Participation

  • Activity participation of children with autism, developmental disabilities, and typically developing children
  • Social inclusion of preschool children with delays and disabilities (HELPS Inc)

GO4KIDDS Projects

  • Survey of Health, Wellbeing, and Social Inclusion of children with severe developmental disabilities across Canada and that of their parents
  • Family Quality of Life in parents of children with severe developmental disabilities
  • Social inclusion of children with severe developmental disabilities in educational and community settings
  • Healthcare and service system needs of youth with severe developmental disabilities across Canada

Curriculum Vitae (C.V. file):

CV of Adrienne Perry