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Dusit Thani hotel in Abu Dhabi one quality product.
Focus on Products, why?
 
Why is Prince so obsessed with Products, what is wrong with a Work Breakdown Structure?
 
The answer is there is nothing inherently wrong with a WBS, but I suppose the beauty of a PBS is that it clearly displays all the project’s outputs on a single diagram along with some key dependencies, external products.
 
But for me the real difference is when we examine the Prince approach to quality, it is usually much easier to apply quality measures (criteria) on a Product than it is on an activity or task.
 
This is why, IMHO, Prince has an emphasis on Product Based Planning, it also enables the Project Manager’s own outputs to be judged too, from the quality criteria of each document in Appendix A..