During the past 20 years, a significant body of literature has emerged focusing on the application of Dabrowski's theory of positive disintegration (TPD) to the study of gifted individuals. Although much of this literature is prescriptive, some research reports spanning this time period are available. A perusal of research on TPD's applicability…

Functional assessment is redefining the standards for clinical interventions with problem behavior and reemphasizing the importance of basic behavioral mechanisms. It has shown the importance of complex patterns of behavioral control, functional assessment as an ongoing process, and the importance of attention to antecedent variables. Future…

This study assumes that multiple choice test items generally provide the testee with several solutions, one of which is correct and the others of which are wrong. If pupils are unable to answer a question, one would expect that the wrong choices have equal chances of being selected. In many multiple choice items on stoichiometric calculation which…