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Experiences Implementing Inspections

Experiences Implementing Inspections. Jean Tyson, Ph.D. Tyson Consulting Southern California SPIN Long Beach 30 June 2000. Experiences implementing inspections at Beckman Instruments. 1991-1994 Things done well Things to be done better/different next time

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Experiences Implementing Inspections

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  1. Experiences Implementing Inspections Jean Tyson, Ph.D. Tyson Consulting Southern California SPIN Long Beach 30 June 2000 Tyson Consulting

  2. Experiences implementing inspections at Beckman Instruments • 1991-1994 • Things done well • Things to be done better/different next time • Additional barriers to institutionalization • Current situation Tyson Consulting

  3. Inspection Implementation: Things done well • Leverage from company culture supportive of continuous process improvement • Established process improvement infrastructure within Software Development Department. • Consultant helped “jump start” inspections by providing initial training. • Pilot inspection implementation done on two projects --positive feedback • Periodic feedback on inspections solicited across all projects (alterations based on feedback) Tyson Consulting

  4. Process Improvement Infrastructure • Assessment done • Action plans developed • Steering Committee established (members included: Software Project Leaders and other senior software people) • Working Groups (part time process improvement work -- members draw from multiple software project teams) Tyson Consulting

  5. Inspection Process Characteristics Tyson Consulting

  6. Feedback on Inspections • Inspection problems identified • Training is needed on writing requirements (what level of detail? What is design, what is requirement) • Better meeting control by moderator • Differences in levels of preparedness among participants • More efficient inspection process needed Tyson Consulting

  7. Inspection Implementation: Things to be done better or different next time • Get more commitment from outside software development e.g. project managers • Keep better oversight on inspection process Tyson Consulting

  8. Get more commitment from outside software development e.g. project managers • Get higher level commitment (V.P.) • Get project manager support • Address concerns: project will take longer • Use inspection on most critical areas • Less critical areas -- less formal reviews or sampling • Use inspections on selected process documents (e.g. design & code) • Include managers in training • Identify inspections on project schedules Tyson Consulting

  9. Better oversight on inspection process • Initially, use a few moderators who are committed to the process and who share information among themselves • Frequent monitoring of process data and timely investigation of ineffectiveness or inefficiencies. Tyson Consulting

  10. Some Barriers to Institutionalization • Management changes • Attitudes toward continuous process improvement shifted • Long projects Tyson Consulting

  11. Current Situation • Peer reviews are widely used. • Less formal than inspections, format varies by project. Tyson Consulting

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