Using techniques of inference appraisal suggested by T. A. van Dijk and R. J. Sternberg, a study investigated whether by assigning particular writing tasks it would be possible to influence the way readers produce inferences about a text. Subjects, 52 ninth grade students, read especially prepared booklets and completed either a paraphrasing,…

The objectives of this study were to: (1) develop a working model based on Pierre van Hiele and Dina van Hiele-Geldof's five levels of thought development in geometry; (2) characterize the thinking in geometry of sixth (N=16) and ninth (N=16) graders in terms of these levels (examining at what level they are at, if they show potential for progress…