Karissa Leduc

Karissa Leduc joined the Talwar Research Team in 2011 and is currently a PhD student in Educational Psychology (Human Development concentration) at McGill University. She has a B.A. in Psychology from McGill University and an M.A. in Learning Sciences from Université de Sherbrooke. Karissa actively participates in lab research focusing on children’s and adolescents’ moral development and behaviors. Her dissertation studies explore the influence of parental mediation on youth’s beliefs and behaviors as bystanders in cyberbullying and the promotion of prosocial behaviors on-line.


2017-2020 – Joseph-Armand Bombardier Canada Graduate Scholarship, SSHRC Doctoral Research Program (Held)

2017-2020 – Doctoral Research Scholarship, Fonds de Recherche du Québec, Société et Culture (FRQSC) (Awarded)

2017-2018 – Graduate Excellence Scholarship, Faculty of Education, McGill University (Awarded)

2016-2017 – Joseph-Armand Bombardier Canada Graduate Scholarship, SSHRC Master’s Research Program (Held)


  • 2019 – Graduate Research Enhancement and Travel Award, Department of Educational and Counselling Psychology, McGill University
  • 2018 – Travel Award, Canadian Development Conference 2018, Brock University
  • 2017 – Award for Scientific Dissemination, Faculty of Education, Université de Sherbrooke
  • 2016 – La Personnelle Award for Academic Excellence and Community Engagement, Fondation de l’Université de Sherbrooke (FUS)
  • 2016 – Winner “My Poster in 180 seconds”, Colloque biennal du Comité Québécois pour les jeunes en difficulté de comportement (CQJDC)
  • 2016 – Best Paper Presentation Award, Colloque Interfacultaire des Cycles Supérieurs (CICS), Université de Sherbrooke
  • 2016 – Travel Award, American Psychology-Law Society (Division 41, American Psychological Association)
  • 2015 – Faculty Award for Academic Excellence, Faculty of Education, Université de Sherbrooke


Shouhoudi-Mojdehi, A., Leduc, K., Shouhoudi, A., & Talwar, V. (2019). Examining cross-cultural differences in youth’s moral perceptions of cyberbullying. Cyberpsychology, Behavior, & Social Networking, 22, 243-248. doi: 10.1089/cyber.2018.0339

Leduc, K., Conway, L., Gomez-Garibello, C., & Talwar, V.  (2018). The influence of participant role, gender, and age in elementary and high-school children’s moral justifications of cyberbullying behaviors. Computers in Human Behavior, 83, 215-220. doi: 10.1016/j.chb.2018.01.044

Talwar, V., Yachison, S., Leduc, K., & Nagar, P. M. (2018). Practice makes perfect? The impact of coaching and moral stories on children’s lie-telling. International Journal of Behavioral Development, early view online, 1-9. doi: 10.1177/0165025417728583

Lavoie, J., Leduc, K., Arruda, C., Crossman, A.M., & Talwar, V. (2017). Developmental profiles of children’s spontaneous lie-telling behavior: A latent class regression. Cognitive Development, 41, 33-45. doi: 10.1016/j.cogdev.2016.12.002

Leduc, K., Williams, S., Gomez-Garibello, C., & Talwar, V. (2016). The contributions of mental state understanding and executive functioning to preschool-aged children’s emerging lie-telling. British Journal of Developmental Psychology, 35, 288-302. doi: 10.1111/bjdp.12163

Williams, S., Leduc, K., Crossman, A.M., & Talwar, V. (2016). Young deceivers: The identification of lying, executive functions and antisocial lies in preschool aged children. Infant and Child Development, 26, 1-17. doi: 10.1002/icd.1956

Talwar, V., Yachison, S., & Leduc, K. (2015). Promoting honesty: The influence of stories on children’s lie-telling behaviors and their moral understanding. Infant and Child Development, 25, 484-501. doi: 10.1002/icd.1949

Lavoie, J., Leduc, K., Crossman, A. M., & Talwar, V. (2015). Do as I say and not as I think: Parent socialization of lie-telling behaviour. Children & Society, 30, 253-264. doi: 10.1111/chso.12139