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Abstract
There are currently two groups of individuals studying assossment of work-load. Thousands of work study officers are performing this task, generally as a basis for payment purposes, using techniques relatively unchanged for 40 years. Work physiologists are also concerned with examining the same problem with a different set of motives and methods.
An attempt is made here to compare the two assessments on four arduous operations. The physiological evaluations were those of energy expenditure, whilst the work study officers' assessment was achieved by showing films of the operations to 105 practising observers throughout the country.
The two final sots of values disagree alarmingly. Naturally, the work physiologist feels the work study officer is expecting too much, whilst he, in turn, before contemplating changing his methods, requires more justification for the physiological norms,