- DeHart, G., Stauffacher, K., Dobreva, M., Brownstein, S., DiNuovo, P., Keats, S., Stellrecht L., and Sullivan, K. (2001, June). Social engagement in 7-year-olds' interactions with siblings and friends. Poster presented at the annual meeting of the American Psychological Society, Toronto, Ontario.
- DeHart, G., Kilpatrick, L., Betjemann, S., Bernadt, M., Stenger, S., Sullivan, S., and Westerling, L. (2001, April). Conflict and averted conflict between siblings and friends in early and middle childhood. Poster presented at the biennial meeting of the Society for Research in Child Development, Minneapolis, MN.