Examined were the effects of four teachers' use of a data-based behaviorally oriented planning technique on the verbal labeling performance of eight developmentally delayed children (2-5 years old). Teachers were introduced to a 10-tactic planning technique that included behaviors ranging from simply counting the number of correct and incorrect…

The results of a number of experiments with the memorizing of several different subject-matters are presented in such a way that the relationship between number of opportunities for error (word elements faded) and number of errors actually made can be observed for individuals and groups. The particular selection of word elements to be taught by…