Karissa Leduc

Karissa Leduc

Karissa Leduc joined the Talwar Research Team in 2011 as a volunteer and is currently working as the lab manager.  She has a B.A. in psychology from McGill and is currently pursuing a Master’s degree at the University of Sherbrooke where she is exploring the factors associated with school refusal.  Karissa continues to actively take part in a variety of research projects at the lab.


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

Williams, S., Leduc, K., Crossman, A. & Talwar, V. (accepted). Young deceivers: Deception recognition, executive functioning and antisocial lie telling in preschool aged children.  Infant and Child Development.


  • Leduc, K., Williams, S., & Talwar, V. (2015, March). Preschool aged children’s lie-telling and the contribution of theory of mind and inhibitory control. Poster presented to the Society for Research in Child Development, Philadelphia, PA.

  • Leduc, K., Haddad, G., & Talwar, V. (2014, November). Promoting honesty: The influence of stories on children’s lie-telling behaviors and their moral understanding. Paper to be presented at the Association for Moral Education, Pasadena, CA.

  • Leduc, K., Yachison, S., Haddad, G., & Talwar, V. (2014, May). Practice makes perfect:Developmental differences amongst children when coached to keep a secret. Poster presented at the Canadian Development conference 2014, Ottawa, ON.

  • Leduc, K., Williams, S. & Talwar, V. (2013, October). The smallest of lies: Lie-telling in preschool aged children and their executive functions. Paper presented at the Association for Moral Education, Montreal, QC.

  • Leduc, K., Williams, S., Sohn, M., Penalosa, L. & Talwar, V. (2013, June). Little lies and hidden movements: The early lies of toddlers and their nonverbal markers of deception. Poster presented at the Canadian Psychological Association Convention, Quebec City, QC.

  • Leduc, K., Williams, S., Penalosa, L., Sohn, M. & Talwar, V. (2013, March).Contrôler de petits mensonges: Les premiers mensonges des tout-petits, leur contrôle inhibiteur et leurs marqueurs non-verbaux de tromperie. Poster presented at Quebec Universities’ Annual « Psycolloque », Montreal, QC.