In this study of errorless learning a procedure is tested which allows the subject himself to adjust the speed at which a supplementary stimulus aid is withdrawn. A standard match-to-sample apparatus with 1 sample window above and 4 matching (response) windows below was used. Tokens were delivered for correct responses and the correct matching…

It was the purpose of this study to ascertain whether the culturally disadvantaged child, who appeared to adhere to the principle of immediate gratification, had learned, as a function of his participation in Head Start, a more future-related orientation when compared to his non-Head Start counterparts. One hundred and eighty-seven 4- and…