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A Comparison Of A Topography-Based Language System And A Selection-Based Language System, Carl Sundberg

Masters Theses

This study examined whether it was easier for developmentally disabled individuals to acquire a topography-based or a selection-based language system. Four moderately and mildly mentally retarded adults served as subjects. Each of the subjects was taught to tact an object by either pointing to its corresponding symbol (with the selection-based paradigm) or making the corresponding sign (with the topography-based system). They were then taught an intraverbal relation by either selecting the symbol, or making the sign which corresponded to an auditory stimulus. Finally, the subjects were tested for the emergence of stimulus equivalence classes. Each subject was trained and tested …