Distortion of performance rating factors and/or time value to fit previously established data.

The time required to perform a manual element. (See MANUAL ELEMENT.) Syn: manual time.

The time required to move parts or materials to or from an operation or work area.

Performance of an average experienced operator working at an incentive pace, over an eight-hour day under safe conditions, without undue or cumulative fatigue. Often stated as a percentage above normal performance. (See NORMAL EFFORT, LOW TASK.) Syns: incentive pace, motivated productivity level.

(See STANDARD TIME, STATISTICAL.)

(See HUMAN FACTORS ENGINEERING.)

A merging of the branches of engineering and the behavioral sciences which are concerned principally with the human component in the design and operation of human-machine systems. Based on a fundamental knowledge and study of human physical and mental abilities and emotional characteristics. (See ERGONOMICS, WORK DESIGN, METHODS ENGINEERING, MOTION ANALYSIS, MOTION ECONOMY)

A predetermined time standards system.