Pointers

Software Engineering Costs

Tools and trainings should encourage development of systematic investigative approaches: https://disciplinas.dcc.ufba.br/pastas/MATB03/compreensao/ibmsj2802H.pdf

50% effort spent in reading the code: http://www.iam.unibe.ch/~scg/cgi-bin/scgbib.cgi?query=basi97a
at least 35% effort spent on understanding: Eliciting design requirements for maintenance-oriented ides: a detailed study of corrective and perfective maintenance tasks
75% of changes are perfective or adaptive: Software maintenance and evolution: A roadmap
Defects costs: http://www.cs.umd.edu/projects/SoftEng/ESEG/papers/82.78.pdf
>90% of costs are maintenance costs: http://www.cs.jyu.fi/~koskinen/smcosts.htm
Maintaining Mental Models: ICSE 2006
The Influence of Organizational Structure on Software Quality: an Empirical Case Study - Microsoft Research
Exploding Software Engineering - Microsoft Research

Bits of Evidence presentation: http://www.slideshare.net/gvwilson/bits-of-evidence-2338367
Agile effectiveness: http://biblio.gdinwiddie.com/biblio/StudiesOfAgileEffectiveness

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