"...multiply the estimations provided the developer by a factor of 1.5 (better if your can multiply by 2 or even better 3)". To summarize: The higher your estimate multiplication factor is, the better your estimates are.
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"...multiply the estimations provided the developer by a factor of 1.5 (better if your can multiply by 2 or even better 3)". To summarize: The higher your estimate multiplication factor is, the better your estimates are.