The Relative Influence of Attitudes and Subjective Norms from Childhood to Adolescence: Between-Participant and Within-Participant Analyses

Trafimow, D., Brown, J., Grace, K., Thompson, L., & Sheeran, P. (2002). The relative influence of attitudes and subjective norms from childhood to adolescence: Between-participant and within-participant analyses. The American Journal of Psychology, 115(3), 395-414.