The authors investigated the relationships between need for cognition, knowledge, and verbal ability. Participants completed scales that measured their need for cognition, verbal ability, and knowledge about people and events that occurred during the Vietnam War era. Correlational analyses showed that the participants' need for cognition scores were modestly but positively correlated with verbal ability and knowledge and that verbal ability and knowledge were also positively correlated. The correlation between need for cognition and knowledge was small but significant when verbal ability was controlled. The conclusion drawn from these results is that need for cognition contributes to the acquisition of knowledge beyond the contribution of verbal ability.
Second-, third-, fifth-, and sixth-grade children evaluated relationship qualities of a self-nominated friend and a self-nominated very best friend over a 6-month school year period. Results demonstrated that 76% of the friend relationships and 50% of the very best friend relationships were maintained over the course of the study. Children in maintained friendships evaluated their relationships more positively and also reported having larger friendship networks in general compared with children whose friendships did not endure over time. Thus those with unstable relationships are having difficulty initiating new friendships as well. For very best friends, positive relationship qualities (e.g., caring) did not change over time for children in maintained relationships, while positive relationship qualities decreased over time for children in nonmaintained relationships. Further, no differences emerged between children in maintained and nonmaintained very best friendships on perceptions of negative relationship qualities (e.g., conflict).
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