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A theory of the structure of nursing knowledge is proposed. Using retroductive reasoning to build upon an existing theory, the goal of the Nursing Knowledge Pyramid is to integrate disparate forms of nursing knowledge into a comprehensive, coherent, and useful structure to enhance the learning, development, automation, and accessibility of nursing knowledge. Education uses are discussed.

Pre- and postprogram evaluations suggest that the program is feasible, safe, and effective for detecting and reducing distress in patients with cancer. In addition, tailoring psychosocial coping strategies to the patient's emotional situation may have been key to the program's effectiveness.

This U.S. Army psychologist shares his perspective on the challenges of and future directions for virtual and augmented reality training systems.