This study investigated the extent to which various latent class models adequately described elementary rule-governed mathematical behaviors. Children were given a fraction concepts test. Results supported the adoption of a set of three-class models including a mastery class, a nonmastery class, and a transitional class to describe the data.…

Describes the Instructional Software Design Project conducted in a LOGO-based learning environment in a Boston inner-city public school with fourth graders engaged in the design and production of educational software to teach fractions. Constructionist views of computers in education are discussed, and learning processes are examined. (Contains 58…