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work system

1. from a traditional time and motion perspective (see time and motion study), the structures, operations, and schedules required to meet the demands of a production or process system.

2. from a more holistic, ergonomic perspective, the totality of the technological and environmental factors (physical and social) that are relevant to the human achievement of an organizational objective. See macroergonomics; sociotechnical systems approach; systems engineering.

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Psychology term of the day

June 18th 2024

two-parameter model

two-parameter model

in item response theory, a model that specifies two parameters affecting an individual’s response to a particular test item: (a) the difficulty level of the item and (b) the item discriminability. See also Rasch model; three-parameter model.