The authors identified factors affecting problem finding depending on degree of structure of problem situation--either ill or moderately structured. Fifth-grade students (N = 115) were randomly assigned to 2 groups: Group 1 (n = 60) accomplished the ill-structured task; Group 2 (n = 55) performed the moderately structured task. Results indicated…

This article describes a proposed model of self-directed critical thinking that comprises two interrelated and equal components: one cognitive and the other motivational. The model stresses the importance in critical thinking of the child's present store of general information. Examples illustrate the operation of the model. (IAH)

Reports a study that examined the effects of conceptual orienting questions and differences in prior knowledge on factual learning and problem solving in biology. Tenth graders who participated in control or orienting questions groups completed posttests. Results indicated that question groups outscored the control group. (SM)