| Estimation Extravaganza |
You ask everyone to huddle around for an update. Rebecca offers to start it off.
“We began by collecting as many high-level requirements as possible, then we applied relative estimation to the business value of each requirement in three steps,” says Rebecca. “First, we did T-shirt sizing, arranging them from the largest amount of business value to the smallest. Second, we assigned a relative business value estimate to the smallest one, starting with 100. Then we relatively calculated a business value estimate in business value points for the rest of the items.”
“Then we used the same process to come up with effort estimates for the items,” says Ash. “Since we couldn’t agree on the effort estimates as easily as we ...
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