Purpose: This article aims to describe how exemplar variability can manipulate the word learning environment to maximize within- and cross-language generalization in Spanish--English bilinguals. Furthermore, we examined sources of individual variability that predicted word learning. Method: Nineteen Spanish--English bilingual children participated…

One member from each of two object pairs was assigned as a reinforcer during a generalized requesting intervention using manual signs or graphic symbols with two severely handicapped learners (age 18). Prior generalized request training and reinforcer use did not influence effectiveness of later instruction in acquisition and generalized use of…