Abstract
Research has yielded mixed results in attempting to augment the broad Big Five personality traits with other, narrow traits in predicting real-world criteria like job performance in adults. We examined narrow traits in addition to the Big Five in predicting academic success among adolescents. We investigated individual grade point average (GPA) and scores from the Adolescent Personal Style Inventory among 220 seventh-graders and 290 tenth-graders, including agreeableness, conscientiousness, emotional stability, extraversion, and openness, plus four narrow traits, aggression, optimism, tough-mindedness, and work drive. All traits correlated significantly (P<.01) with GPA among both 7th- and 10th-graders. The Big Five traits together accounted for 15% and 10% of variance in GPA among 7th and 10th graders, respectively. Consistent with prior research, narrow traits accounted for 8% and 12% of the variance in GPA among the 7th and 10th graders, respectively, beyond that predicted by the Big Five. The narrow traits aggression and work drive together accounted for 18% and 21% of the variance in GPA in 7th and 10th graders, respectively, to which the Big Five added 1% in the 7th graders and no significant increment among 10th graders. Results provide clear evidence of a relationship between personality and academic success among adolescents, and carry practical as well theoretical implications.
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