This chapter reviews the extant empirical literature on virtual teams and presents what we know and what we don't know about them. Drawing upon the literature from both Organization Behavior and IS, we propose a framework that integrates the most important variables affecting virtual teams. The framework is then used to assess the effects of virtual teamwork on group processes and outcomes. The...

Abstract Two traditions in action theory offer different accounts of what distinguishes intentional from mere behavior. According to the causalist tradition, has certain distinguished causal antecedents, and according Anscombian epistemological features. I a way reconcile these ostensibly conflicting by appealing “ability-constituting knowledge”. After explaining such knowledge is, particular i...

Over the last 20 years there have been numerous studies, including NHANES III (the National Health and Nutrition Examination Survey III), the Women’s Health Study, and the Nurses’ Health Study, showing an association between decreased 25-hydroxyvitamin D [25(OH)D] concentrations in blood and the risks of cardiovascular disease, stroke, cancer, fractures, and mortality (see the Supplemental Read...

Pertussis is a worldwide public health threat. Bordetella pertussis produces multiple virulence factors that have been studied individually, and many have recently been found to have additional biological activities. Nevertheless, how they interact to cause the disease pertussis remains unknown. New animal models, particularly the infection of infant baboons with B. pertussis, are enabling long...