Discussion of teaching complex knowledge domains through exploration highlights two experiments that investigated the educational value of a Dutch computer simulation program which models the relationship between erosion and agriculture in a developing country as part of the secondary school geography curriculum. Learning by doing versus learning…

Metacognitive activities were studied through the verbalizations of students during a learning process, to study the differences in the performance of good and poor students. The moment of verbalization, either at prompting marks or without prompts, and the instruction in verbalization, either directed or non-directed, were variables. Thirty-two…