Cooperative, competitive, and individualistic social values: An individualized regression and clustering approach.

for their assistance with the data collection and to Gus Carlo and Sheryl Wilson for comments on an earlier draft of this article. We also thank the staff and children of Prince Elementary School and Hudlow Ele-mentary School. Reprint requests may be sent to George P. Knight, Department of Psycholagy, Arizona State University,Tempe, AZ 85287. Developmental research has suggested that children behave differently toward siblings, friend.s, and acquaintances. This investigation compared the cooperative, competitive, and indi-vidualistic resource allocation preferences among 8- to 12-year-old siblings, friends, and acquaintances. The findings indicated more frequent cooperative and less frequent competitive prefer-ences among siblingx and friends than among acquaintances, consistent with several sociobioiogical and social psychological predictions. In addition, verbal reports provided some support for the validity of the cooperative, competitive, and individual-