Duffy, K. A., Helzer, E. G., Hoyle, R. H., Fukukura Helzer, J., & Chartrand, T. L. (2018). Pessimistic expectations and poorer experiences: The role of (low) extraversion in anticipated and experienced enjoyment of social interaction. PLoS One.

Duffy, Korrina A., Erik G. Helzer, Rick H. Hoyle, Jun Fukukura Helzer, und Tanya L. Chartrand. "Pessimistic Expectations and Poorer Experiences: The Role of (low) Extraversion in Anticipated and Experienced Enjoyment of Social Interaction." PLoS One 2018.

Duffy, Korrina A., et al. "Pessimistic Expectations and Poorer Experiences: The Role of (low) Extraversion in Anticipated and Experienced Enjoyment of Social Interaction." PLoS One 2018.