publication venue for
- Covariation Judgment: Improving Rule Use among Children, Adolescents, and Adults. 59:755. 1988
- Covariation Judgment: Systematic Rule Use in Middle Childhood. 56:1229. 1985
- Development of Rule Use in Judgments of Covariation between Events. 52:317. 1981
- Cognitive Bases of Development in Inferences of Ability. 50:904. 1979
- Development in Inferences of Ability and Task Difficulty. 47:1051. 1976