What is difference between manshift and manhour? Please don't mixup manshift with output per manshift.
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I come from the Microsoft Project world where schedules are built using duration and work. However, ever so often team members refer to effort, hours, or my personal pet peeve “man-days”. What are all of these and how do they compare?
My nonprofessional definitions are summarized as follows, with examples below:
Duration – the amount of time it takes to complete a task. Measured in days, from task start to task end. Can also be referred to as calendar time.
Work – the amount of hours it takes to complete a task. Measured in hours, from task start to task end.
Effort – the same as work if you’re talking about hours. Technically, effort is a % allocation of your “focus” on a task.
Hours – the same as work.
Man-days – the same as work, but expressed in days instead of hours.
To illustrate, we will use a simple example: We need to build a wall.