“…Nicholls found limitations in the traditions of both personality and social psychology. He began his studies of achievement motivation by challenging social psychologists' preference for attribution theory (e.g., Nicholls, 1975, 1976a, 1978, 1979, 1980; Nicholls & Miller, 1983, 1984, 1985; Nicholls, Patashnick, & Mettetal, 1986). Specifically, Nicholls and his colleagues conducted a series of developmental studies that collectively revealed the fact that attributions like ability, effort, task difficulty, luck, and skill are not easily understood by children and are unlikely to mean the same things to everyone.…”