DeHart, G., Kucharczak, K., Petri, L., and Kilpatrick, L. (1999, June). Preschoolers’ social engagement with same-sex siblings, opposite-sex siblings, and friends. Poster presented at the annual meeting of the American Psychological Society, Denver, CO.
Duffy, L., DeHart, G., Ghazanfari, S., and Baronas, R. (1999, June). Mothers’ perceptions of sibling and friend relationships: Effects of sibling gender and age composition. Poster presented at the annual meeting of the American Psychological Society, Denver, CO.
DeHart, G., Duffy, L., Kucharczak, K., Johnson, S., & Ghazanfari, S. (1999, April). Conflicts between siblings and friends in early and middle childhood. Poster presented at the biennial meeting of the Society for Research in Child Development, Albuquerque, NM.
Wozniak, S., DeHart, G., DeAngelo, K., & Stornelli, J. (1999, April). Sibling and friend cooperation and competition in middle childhood: Effects of task and partner. Poster presented at the biennial meeting of the Society for Research in Child Development, Albuquerque, NM.
