Dr. Joshua Wyman

 Joshua Wyman

Dr. Joshua Wyman

Assistant Professor

Phone: 4754
Email: jwyman6@uwo.ca

Dr. Joshua Wyman is an Assistant Professor at King’s University College. His research focuses on improving the best practice methods for interviewing children, youth and older adults in criminal investigations. He has also published work in the areas of deception detection, moral and lie-telling development, and social skills training programs for youth with developmental disabilities. Dr. Wyman is a licensed school and clinical psychologist in Ontario. In his role as a psychologist, he provides psychological assessment, treatment and consultation services to children, youth and parents in school and clinical settings.


  • PhD., School/Applied Child Psychology, McGill University.
  • M.A., School/Applied Child Psychology, McGill University.
  • B.A., Psychology and Criminal Justice, Bethel University.


  • Introduction to Psychology (PSYCHOLOGY 1000)
  • Mental Health & Wellness (PSYCHOLOGY 2022)
  • Introduction to Clinical Psychology (PSYCHOLOGY 2301)
  • Child Psychopathology (PSYCHOLOGY 3320)


  • Prevention, identification and investigative practices in cases of older adult maltreatment.
  • Investigative interviewing practices with children, youth and older adults.
  • Lie-detection and eyewitness credibility analysis.
  • Moral development and social decision-making.

Selected Publications

Peer Reviewed Articles

Wyman, J., & Malloy, L. (2023). Increasing disclosures of older adult maltreatment: A review of best practices for interviewing older adult eyewitnesses and victims. Advanced online publication in Psychiatry, Psychology & Law. https://doi.org/10.1080/13218719.2023.2192260

Snow, M. D., Wyman, J., Malloy, L. C., Brubacher, S. P., & Warren, K. L. (2022). Police perspectives on interviewing older adult victims and witnesses: Preliminary findings and call for future research. Journal of Forensic Psychology Research and Practice, 23(5), 438-458. https://doi.org/10.1080/24732850.2022.2044714

Wyman, J., Tong, D., Foster, I., Crossman, A., & Talwar, V. (2022). The effectiveness of cognitive instructions when children provide true and false eyewitness reports of another’s transgression. Police Practice and Research: An International Journal, 23(3), 290-307. https://doi.org/10.1080/15614263.2021.1954923

Tong, D., Wyman, J., & Talwar, V. (2021). Using the Cognitive Interview to elicit narrative differences between children’s truth and false testimonies. Applied Cognitive Psychology, 35(6), 1559-1573. https://doi.org/10.1002/acp.3890

Wyman, J., Cassidy, H., & Talwar, V. (2021). Utilizing the Activation-Decision-Construction-Action Theory to predict children’s hypothetical decisions to deceive. Acta Psychologica, 218, 103339. https://doi.org/10.1016/j.actpsy.2021.103339

Lavoie, J., Wyman, J., Crossman, A., Talwar, V. (2021). Meta-Analysis of the effects of two interviewing practices on children’s disclosures of sensitive information: Rapport practices and question type. Child Abuse & Neglect. 113, 104930. https://doi.org/10.1016/j.chiabu.2021.104930

Wyman, J., Saykaly, C., & Talwar, V. (2021). The effectiveness of free-recall, cognitive instruction and closed-ended questions when students with and without disabilities provide eyewitness reports of another’s transgression. Psychology, Crime & Law, 27(9), 849-868. https://doi.org/10.1080/1068316X.2020.1852564

Wyman, J., & Talwar, V. (2020). Best practice strategies for questioning child eyewitnesses in criminal investigations. CDAA Prosecutor’s Brief, 42(2), 147-162.

Wyman, J., & Claro, A. (2020). The UCLA PEERS school-based program: Treatment outcomes for improving social functioning in adolescents and young adults with autism spectrum disorder and those with cognitive deficits. Journal of Autism and Developmental Disorders, 50(6), 1907-1920. https://doi.org/10.1007/s10803-019-03943-z

Foster, I., Wyman, J., & Talwar, V. (2020). Moral disengagement: A new lens with which to examine children’s justifications for lying. Journal of Moral Education, 49(2), 209-225. https://doi.org/10.1080/03057240.2019.1656057

Wyman, J., Foster, I., Crossman, A., Colwell, K., & Talwar, V. (2019). The efficacy of free-recall, cognitive load, and closed-ended questions when children are asked to falsely testify about a crime. Applied Cognitive Psychology, 33(4), 544-560. https://doi.org/10.1002/acp.3494

Cassidy, H., Wyman, J., Talwar, V., & Akehurst, L. (2019). Exploring the decision component of the Activation-Decision-Construction-Action Theory for different reasons to deceive. Legal and Criminological Psychology, 24, 87-102.  https://doi.org/10.1111/lcrp.12143

Foster, I., Wyman, J., Tong, D., Colwell, K., & Talwar, V. (2019). Does eyewitness and interviewer gender influence children’s reports? An experimental analysis of eyewitness and interviewer gender on children’s testimony Psychology, Psychiatry and Law, 26(4), 499-519. https://doi.org/10.1080/13218719.2018.1507844

Wyman, J., Lavoie, J., & Talwar, V. (2018).  Best practices for interviewing children with intellectual disabilities in maltreatment cases. Exceptionality, 27(3), 167-184. https://doi.org/10.1080/09362835.2018.1425623

Lavoie, J., Wyman, J., Crossman, A.M., & Talwar, V. (2018).  Lie-telling as a mode of antisocial action: Children’s lies and behavior problems. Journal of Moral Education, 47(4), 432-450. https://doi.org/10.1080/03057240.2017.1405343

Wyman, J., Foster, I., Lavoie, J., Tong, D., & Talwar, V.  (2018).  Detecting children’s false allegations and recantations of a crime. Psychology, Crime & Law, 24(6), 652-671.  https://doi.org/10.1080/1068316X.2017.1402018

Talwar, V., Crossman, A., & Wyman, J. (2017).  The role of executive functioning and theory of mind in children’s lies for another and for themselves. Early Childhood Research Quarterly, 41, 126-135. https://doi.org/10.1016/j.ecresq.2017.07.003

Wyman, J., Foster, I., & Talwar, V. (2016).  An experimental analysis of children's ability to provide a false report about a crime.  Journal of Visualized Experiments, 111, e53773.  https://doi.org/10.3791/53773

Book Chapters

Wyman, J., Dianiska, R., Henderson, H., & Malloy, L.C. (2023). Adolescent victims and witnesses: Disclosures, memory, and suggestibility. In A. Redlich & J. Quas (Eds.), The Oxford Handbook of Developmental Psychology and the Law (pp. 233-256). https://doi.org/10.1093/oxfordhb/9780197549513.013.12

Malloy, L., Wyman, J., Mukhopadhyay, S., & Quas, J.A. (2023). Legal decision making among youth defendants, victims, and witnesses: Emerging issues, research, and theory. In D. DeMatteo & K. Scherr (Eds.), The Oxford Handbook of Psychology and Law (pp. 510-526). Oxford University Press. https://doi.org/10.1093/oxfordhb/9780197649138.013.30