| Non-TSP | TSP |
| Project Plan Developed by Project Manager | Team develops the project plan - high confidence & commitment to meet the plan |
| Estimates are usually guesstimates | Estimates are based on historical data OR work-life balance |
| Long office hours | Predictable office hours (40-50hrs) Better work-life |
| Problems and issues are found very late in the project | Weekly meetings help the team to find probelms very early in cycle |
| Usually 3-8 bugs in UAT + Production | Much better quality (64% projects with zero defects). Defects are found early in the cicle |
| Fire fighting to meet the deadlines. Schedules slippage and poor quality | Objetive project management based on data. |
http://www.sei.cmu.edu/tsp/symposium/2006/deliver.pdf