Recent research on what students know about complex systems shows that they typically have challenges in understanding particular system ideas such as nonlinearity, complex causality, and decentralized control. Yet this research has yet to adopt a systematic approach to learning about complex systems in an ordered way in line with the Next…

Most of the tests and inventories used by counseling psychologists have been developed using CTT; IRT derives from what is called latent trait theory. A number of important differences exist between CTT- versus IRT-based approaches to both test development and evaluation, as well as the process of scoring the response profiles of individual…

Incidents of violence in recent years have intensified concern about student conduct in our nation's schools, and have heightened the desire, among educators and others, to find ways of ameliorating the problem. Social science can play a supportive role, by providing insight into the origins of deviance in schools. However, while previous…