Marc J. Tasse, PhD

2015 – present    Chairperson of the American Psychological Association, Division 33 Committee on Intellectual Disability and the Criminal Justice System.

2019 – present     Appointed member of the START Center National Research Consortium.

2021 – 2025          Elected member of the Board of Directors of the Ohio Self Determination Association (OSDA).

2023 – present    Appointed to the Benchmark Human Services Advisory Committee.

2024 – present    Elected President-Elect of the American Psychological Association Division 33.

1. sé, M. J., Schalock, R. L., Navas, P., Andridge, R. R., & Balboni, G. (in preparation). Using the Diagnostic Adaptive Behavior Scale to confirm the three-factor conceptual model of adaptive behavior.

1. Shively, K. L., Tassé, M. J., & Aldridge, R. (in preparation). Psychometric properties of the Nisonger Child Behavior Form, 2^nd Edition (Parent Scale).

1. Kim, M. & Tassé, M. J. (under review). Developing the Nisonger Child Behavior Rating Form 2: Self-report Scale using a Delphi process.

1. Van Gaasbeek, E. K. & Tassé, M. J. (under review). Examining the predictors of life satisfaction in college students with intellectual disability.

1. Hallberg, S., Shutz, A., Mendonca, E., Tassé, M. J., & Bandeira, D. R. (under review). Brazilian Version of the DABS: Adaptation Process and Validity Evidence Based on the Internal Structure.

1. Shogren, K. A., Tassé, M. J., Schalock, R. L., & Luckasson, R. (under review). Taking Stock and Adjusting the Lens Through Which IDD Is Viewed: Supporting the Goal of Shared Citizenship.

1. Dell’Armo, K. & Tassé, M. J. (2025). How intellectual disability may bias psychologists’ clinical impressions: An examination of diagnostic overshadowing. Psychological Assessment, 37(4), 161-171. https://doi.org/10.1037/pas0001367

1. Tassé, M. J., Kim, M., & Van Gaasbeek, E. K. (2025). Assessment for eligibility. In Karrie A. Shogren, LeRon A. Scott, Evan E. Dean, & Brad Linnenkamp (Eds)., Handbook of Research-based Practices for Educating Students with Intellectual Disability (2^nd edition). Routledge/Taylor & Francis Group.

1. Tassé, M. J., Havercamp, S. M., Krahn, G., Shogren, K. A., Bonardi, A., Kim, M., & Chapman, R. A. (2025). About whom are we talking when we say intellectual and developmental disabilities?  JAMA Pediatrics, 179, 83-89. doi:10.1001/jamapediatrics.2024.4552  

1. Van Gaasbeek, E. K. & Tassé, M. J. (2024). Constructing a preliminary model of school belonging for students with intellectual disability. Journal of Intellectual Disabilities, 28(3), 591-614. 
   https://doi.org/10.1177/17446295231164438

1. Dell’Armo, K. & Tassé, M. J. (2024). Diagnostic overshadowing of psychiatric disorders in adults with intellectual disability: A systematic review. American Journal on Intellectual and Developmental Disabilities, 129(2), 116-124. https://doi.org/10.1352/1944-7558-129.2.116  

1. Sattler, J. M. & Tassé, M. J. (2024). Intellectual disability (pp. 723-744). In J. M. Sattler (Ed.), Assessment of Children: Cognitive Foundations and Application (seventh edition). Jerome M. Sattler, publisher.

PRESENTATIONS: (Invited Presentations = *)

1. Tassé, M. J., Schneider, J., & Olley, J. G. (2025, April). The APA’s Professional Practice Guidelines for the Diagnosis of Intellectual Disability in Forensic Settings. Plenary Presentation at the Twenty-Second National Seminar on the Development and Presentation of Mitigation Evidence in Capital Cases. Columbus, OH.*

1. Schneider, J., Tassé, M. J., & Blume, J. (2025, April). Common Problems on Prong 1. Plenary Presentation at the Twenty-Second National Seminar on the Development and Presentation of Mitigation Evidence in Capital Cases. Columbus, OH.*

1. Olley, J. G., Tassé, M. J., & Vann, L. (2025, April). Common Problems on Prong 2. Plenary Presentation at the Twenty-Second National Seminar on the Development and Presentation of Mitigation Evidence in Capital Cases. Columbus, OH.*

1. Tassé, M. J. & Pathare, S. (2024, December). Theoretical concepts on mental health, mental illness and mental disability. Invited address given at the Intersection in Capital Defense: Mental Health and the Death Penalty Workshop. Organized by Project 39A, National Law University, Delhi, India.*
    
2. Babcock, S, Tassé, M. J., & Mishra, M. (2024, December). The role of the mental health professional in capital defense. Invited address given at the Intersection in Capital Defense: Mental Health and the Death Penalty Workshop. Organized by Project 39A, National Law University, Delhi, India.*
    
3. Tassé, M. J. & Shruthi, C. P. (2024, December). How to write an expert opinion. Invited address given at the Intersection in Capital Defense: Mental Health and the Death Penalty Workshop. Organized by Project 39A, National Law University, Delhi, India.*
    
4. Havercamp, S. M. & Tassé, M. J. (2024, October). Can You Hear Us Now? Engaging Adults with IDD in Health Research. Invited address at the National Research Consortium 5^th Annual Meeting. Baltimore, MD.*

1. Tassé, M. J., Weisent, A., & McGonigle, T. H. (2024, September). Ohio’s Telehealth Pilot Project Exploring Technology Solutions to Address Workforce, Reduce Costs, and Increase Independence: Utilizing Technology in the Effective Delivery of Clinical Services. Presentation at 2024 Reinventing Quality Conference. Baltimore, MD. 

2015 – present    Chairperson of the American Psychological Association, Division 33 Committee on Intellectual Disability and the Criminal Justice System.

2019 – present     Appointed member of the START Center National Research Consortium.

2021 – 2025          Elected member of the Board of Directors of the Ohio Self Determination Association (OSDA).

2023 – present    Appointed to the Benchmark Human Services Advisory Committee.

2024 – present    Elected President-Elect of the American Psychological Association Division 33.

1. sé, M. J., Schalock, R. L., Navas, P., Andridge, R. R., & Balboni, G. (in preparation). Using the Diagnostic Adaptive Behavior Scale to confirm the three-factor conceptual model of adaptive behavior.

1. Shively, K. L., Tassé, M. J., & Aldridge, R. (in preparation). Psychometric properties of the Nisonger Child Behavior Form, 2^nd Edition (Parent Scale).

1. Kim, M. & Tassé, M. J. (under review). Developing the Nisonger Child Behavior Rating Form 2: Self-report Scale using a Delphi process.

1. Van Gaasbeek, E. K. & Tassé, M. J. (under review). Examining the predictors of life satisfaction in college students with intellectual disability.

1. Hallberg, S., Shutz, A., Mendonca, E., Tassé, M. J., & Bandeira, D. R. (under review). Brazilian Version of the DABS: Adaptation Process and Validity Evidence Based on the Internal Structure.

1. Shogren, K. A., Tassé, M. J., Schalock, R. L., & Luckasson, R. (under review). Taking Stock and Adjusting the Lens Through Which IDD Is Viewed: Supporting the Goal of Shared Citizenship.

1. Dell’Armo, K. & Tassé, M. J. (2025). How intellectual disability may bias psychologists’ clinical impressions: An examination of diagnostic overshadowing. Psychological Assessment, 37(4), 161-171. https://doi.org/10.1037/pas0001367

1. Tassé, M. J., Kim, M., & Van Gaasbeek, E. K. (2025). Assessment for eligibility. In Karrie A. Shogren, LeRon A. Scott, Evan E. Dean, & Brad Linnenkamp (Eds)., Handbook of Research-based Practices for Educating Students with Intellectual Disability (2^nd edition). Routledge/Taylor & Francis Group.

1. Tassé, M. J., Havercamp, S. M., Krahn, G., Shogren, K. A., Bonardi, A., Kim, M., & Chapman, R. A. (2025). About whom are we talking when we say intellectual and developmental disabilities?  JAMA Pediatrics, 179, 83-89. doi:10.1001/jamapediatrics.2024.4552  

1. Van Gaasbeek, E. K. & Tassé, M. J. (2024). Constructing a preliminary model of school belonging for students with intellectual disability. Journal of Intellectual Disabilities, 28(3), 591-614. 
   https://doi.org/10.1177/17446295231164438

1. Dell’Armo, K. & Tassé, M. J. (2024). Diagnostic overshadowing of psychiatric disorders in adults with intellectual disability: A systematic review. American Journal on Intellectual and Developmental Disabilities, 129(2), 116-124. https://doi.org/10.1352/1944-7558-129.2.116  

1. Sattler, J. M. & Tassé, M. J. (2024). Intellectual disability (pp. 723-744). In J. M. Sattler (Ed.), Assessment of Children: Cognitive Foundations and Application (seventh edition). Jerome M. Sattler, publisher.

PRESENTATIONS: (Invited Presentations = *)

1. Tassé, M. J., Schneider, J., & Olley, J. G. (2025, April). The APA’s Professional Practice Guidelines for the Diagnosis of Intellectual Disability in Forensic Settings. Plenary Presentation at the Twenty-Second National Seminar on the Development and Presentation of Mitigation Evidence in Capital Cases. Columbus, OH.*

1. Schneider, J., Tassé, M. J., & Blume, J. (2025, April). Common Problems on Prong 1. Plenary Presentation at the Twenty-Second National Seminar on the Development and Presentation of Mitigation Evidence in Capital Cases. Columbus, OH.*

1. Olley, J. G., Tassé, M. J., & Vann, L. (2025, April). Common Problems on Prong 2. Plenary Presentation at the Twenty-Second National Seminar on the Development and Presentation of Mitigation Evidence in Capital Cases. Columbus, OH.*

1. Tassé, M. J. & Pathare, S. (2024, December). Theoretical concepts on mental health, mental illness and mental disability. Invited address given at the Intersection in Capital Defense: Mental Health and the Death Penalty Workshop. Organized by Project 39A, National Law University, Delhi, India.*
    
2. Babcock, S, Tassé, M. J., & Mishra, M. (2024, December). The role of the mental health professional in capital defense. Invited address given at the Intersection in Capital Defense: Mental Health and the Death Penalty Workshop. Organized by Project 39A, National Law University, Delhi, India.*
    
3. Tassé, M. J. & Shruthi, C. P. (2024, December). How to write an expert opinion. Invited address given at the Intersection in Capital Defense: Mental Health and the Death Penalty Workshop. Organized by Project 39A, National Law University, Delhi, India.*
    
4. Havercamp, S. M. & Tassé, M. J. (2024, October). Can You Hear Us Now? Engaging Adults with IDD in Health Research. Invited address at the National Research Consortium 5^th Annual Meeting. Baltimore, MD.*

1. Tassé, M. J., Weisent, A., & McGonigle, T. H. (2024, September). Ohio’s Telehealth Pilot Project Exploring Technology Solutions to Address Workforce, Reduce Costs, and Increase Independence: Utilizing Technology in the Effective Delivery of Clinical Services. Presentation at 2024 Reinventing Quality Conference. Baltimore, MD.