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1) The coordinator presents each expert with a specification and a form to record estimates.
2) Each expert fills in the form individually (without discussing with others) and is allowed to ask the coordinator questions.
3) The coordinator prepares a summary of all estimates from the experts (including mean or median) on a form requesting another iteration of the experts' estimates and the rationale for the estimates.
4) Repeat steps 2)-3) as many rounds as appropriate.

Function Point Analysis

This is a measurement based on the functionality of the program and was first introduced by Albrecht. The total number of function points depends on the counts of distinct types (in terms of format or processing logic) in the following five classes:

1. User-input types: data or control user-input types
2. User-output types: output data types to the user that leaves the system
3. Inquiry types: interactive inputs requiring a response
4. Internal file types: files (logical groups of information) that are used and shared inside the system
5. External file types: files that are passed or shared between the system and other systems

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* Contributed by -
Ankur Pawa & Nishant Choudhary,
Indian Institute of Management,
Lucknow.