Schoenfeld, Alan H. What's in a model? issues in the use of simulation models to analyze student understanding : a reaction to Ohlsson, Ernst, and Rees - 468-473 - 23, No. 5, 1992 Mayo 1993 = JOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION Encabezamiento--Término de Indización: INTELIGENCIA ARTIFICIAL MODELOS PROCESOS COGNITIVOS