Eighty four-year-old and 80 seven-year-old subjects were given a standard paired-associate learning (PAL) task and a battery of ability tasks (Labeling, Recognition, Labeling Time, Digit Span, Visual Memory, Spatial Relations, Vocabulary, and the Follow the Instructions test) to investigate the development of individual differences in visual…

To assess the effects of verbal reprimands on students' errors in daily class exercises, seven 15- to 17-year-olds in a Spanish II level class were required to respond verbally to fill-in-the-blank exercises covering Spanish grammar. An ABA design evaluated the effects of the teacher's reprimands for each incorrect response. During baseline there…

This paper examines the developmental stages of haptic perception (the process of recognizing objects by the sense of touch alone), and attempts to clarify some conflicting results of studies of the effects of memory and object type. The paper also presents a specific study of haptic perception in 144 preschool and kindergarten children from…