Examined 5- to 12-year-olds' judgment regarding the behavior of balance scales and other levers whose arms varied in a causal or a noncausal variable. Results indicated age-related increases in correct judgments about the influence of physical features of objects at an earlier age than about spatial relations between objects. (MOK)

Examined developmental differences in evidence evaluation skills among school children, non-college educated adults, and college students, utilizing plant growth variables. Found that children were more strongly influenced by prior beliefs and missing data than were the two adult groups. Age and educational differences were found in the…