Story is the description of the feature to be done and the weightage given to it based on the work involved to implement it is known as story point. Higher the number, higher the work involved. Inorder to simplify this process we use the fibanacci series of 0, 1, 2,3,5, 8, 13. Since there is a gap between the numbers, it becomes easier to do the classification than using a continuous series like 0, 1, 2, 3, 4,5, 6, 7, 8….
In the diagram below let us assume that each shape is a feature and we have given them a number based on the fibanacci series, the smallest of the lot getting a 1. That means each feature under consideration gets a weightage based on the amount of work involved to accomplish it.
Let us assume that the diagram above contains features a to k. ‘A’ is the smallest, so I gave it a 1. ‘B’ is the next bigger one. Is it double the size of ‘a’, no, so I gave it 1. ‘C’ and ‘D’ are bigger than a and b and are almost double the size of a and b, so I gave them a weightage of 2. E and f are bigger than c and d so I gave them 3…likewise based on analogy I gave weightages for all features under consideration. Here we are not looking for too much accuracy. We are looking for patterns. It is as simple as grouping the features based on the work involved to accomplish them. For ease, we use fibanacci series for the grouping.
Will write more about the benefits of this in the furure. Hope this post brings in some more clarity about story points which is most misunderstood in agile circles becuase they are very simple.