Trial-by-trial strategy assessments and a microgenetic design were used to examine the learning of rules for solving balance scale problems by 70 4- and 70 5-year olds. Developmental differences in learning that emerged seemed to reflect both distal and proximal influences. Encoding and initial rule use were related to different learning process…

Self-directed, or independent study activities were studied in adolescents, as well as their antecedents and consequences. The interrelationships, across age and grade, of several variables were described; i.e.: course requirements and conditions, student characteristics, study activities, and school achievement. First, autonomous learning…