Challenges to effective clinical reasoning reduce diagnostic accuracy. This special issue provides background for a new approach to clinical reasoning: situativity. The articles explore the four complementary facets of the concept -- situated cognition; distributed cognition; embodied cognition; and ecological psychology – and describes how situativity can enhance diagnosis through a holistic approach to education, assessment, and research.    

Information technology is prevalent in health care and is associated with both optimized processes and unintended consequences. This publication is a compilation of papers from an international conference that explored the potential of health information technology and the research needed to achieve success. Topics covered include usability, implementation, interoperability, and policy.