Presents ideas about how the workplace affects job performance, how to diagnose workplace-related problems, and how to make modest improvements. Highlights include: workplace-imposed limits on performance; the mental and physical steps of work; screening behavior; how adaptation interferes with performance; task- and human-based workspaces;…

Two experiments tested the hypothesis that task-induced mental fatigue is moderated by control over work scheduling. Participants worked for 2 hr on simulated office work, with control manipulated by a yoking procedure. Matched participants were assigned to conditions of either high control (HC) or low control (LC). HC participants decided their…

The hypothesis that making judgments is the basis for workplace learning was examined by studying work in a range of occupations with a view to identifying and analyzing the main judgments involved in individuals' work performance. To test the hypothesis, six practicing professionals (three men and three women) were interviewed. Two of…