Law Six: Nine Women Can’t Make a Baby in One Month

Please accept that the terms “man-hour” or any multiple of it, is not intended to be a gender specific term but simply a unit of work; that is a period of time during which a human being, female or male, is engaged on a task. “Person-hours” hasn’t the same alliterative quality and sounds contrived. Also note that the wording of this law is derived from a phrase used in: ­Frederick Brook’s “The mythical man-month, essay 2.” Aug. 1995, Addison-Westley Publishing Company.

There are tasks within some projects whose duration may be shortened by increasing the number of workers engaged on them. If the walls of ten different rooms need to be painted then 10 painters will complete the work ...

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