MENTAL MODELS OF RECURSION

This article presents the results of a two-year study of children's di fficulties in learning the concept of recursion in Logo. A number of i ncorrect mental models of recursion identified in the study are descri bed. These are classified into main groups: mental models associated w ith the interpretation of recursive procedures and those associated wi th the construction of recursive procedures. Misconceptions underlying the erroneous mental models are presented. Possible reasons for adopt ing these misconceptions are put forward.