“The formation of jobs in the case of systems that are under development requires the use of estimates of various kinds, such as the time that would be required to perform various tasks and frequency with which certain functions will have to be performed. It should be noted that information regarding time requirement for various tasks, when added together, start to give some impression of the number of individuals who would be required to perform the activities in question, and can be used for developing quantitative manpower requirements. “
Reference: Human factors Engineering. Ernest J McCormick. Page 584.
“Job design involves the arrangement of the individual tasks which the man has to do into a job which he is capable of doing and from which he obtains satisfaction. “
Reference: Lees’ loss prevention in the Process Industries. Human factor and human error. Page 14/35.
Note: Hence, job design requires task analysis.