Description of an objective method for assigning weights to questions on examinations includes discussions of classical test theory, knowledge organization, and how task analysis can be used to identify knowledge elements required to solve specific problems, rank them, and assign objective weights to exam questions using a Pareto distribution (7…

Examines differences between needs assessment (process of determining the gap between what is and what should be) and task analysis (definition and classification of tasks to improve job performance), and discusses the human productivity model NEBEAT (Needs Education and Training Model), which defines competency as synthesis of processes and…

A general framework is outlined for describing the relationship of cognition to brain systems. The model provides for empirical investigations at many levels--computational, chronometric, spatial imaging, and cellular--and argues for the logical interrelationship of these areas of investigation. It is applied to selective visual-spatial attention…