A newer version of this slide-deck is available for free (CC-BY-SA) at https://goo.gl/YnyoG4
Importance of Effort Estimation and how to get it right.
- 6 reasons why estimates tend to be wrong.
- The 7th secret reason why estimates are wrong.
- Cone of Uncertainty.
- Estimates : the usual suspects.
- How to avoid accidentally conveying confidence.