IfSQ
Debugging represents half of development costs
Research Finding:
Debugging and associated rework takes about 50% of the time spent in a typical software development cycle.
Sources:

- Barry W. Boehm
- Recorded 1987 in IEEE Computer, 20, no. 9, September
- Pages 43-57

- Kenneth G. Cooper, and Thomas W. Mullen
- Recorded 1993 in American Programmer, 6, no. 5, May
- Pages 41-51

- Thomas J. Haley
- Recorded 1996 in IEEE Software, 13, no. 6, November
- Pages 23-31

- David Wheeler, Bill Brykczynski, and Reginald Meeson
- Published 1996 by IEEE Computer Society Press