My research addresses the following topics:

(1) Personality developement

(2) Adolescent risk-taking

(3) Injury prevention.

I conduct both applied and basic research.

Cohn, L.D., & Westenberg P.M. (2004). Intelligence and Maturity: Meta-analytic Evidence for the Incremental and Discriminant Validity of Loevinger’s Measure of Ego Development. Journal of Personality and Social Psychology, 86, 760-772.  View Article

Cohn, L.D. & Becker, B.J.(2003).  How meta-analysis increases statistical power. Psychological Methods, 8, 243-253.   View Article

Cohn, L.D., Hernandez, D., Byrd, T., & Cortes, M. (2002).  A program to increase seatbelt use along the Texas-Mexico border.  American Journal of Public Health, 92, 1918-1920.  View Article

Cohn, L.D. (1998).  Age trends in personality development: a quantitative review.  In P.M. Westenberg, A. Blasi, & L.D. Cohn (Eds.) Personality Development: Theoretical, Empirical, and Clinical Investigations of Loevinger’s Conception of Ego Development.  New Jersey: Lawrence Erlbaum.

Cohn, L.D., Macfarlane, S., Yañez, C., & Imai, W. K. (1995).  Risk perception: differences between adolescents and adults.  Health Psychology, 14, 217-222.  View Article