CTIS 494 Quality Assurance and Reliability by Dr. Ozlem Albayrak 2007 Fall

1. CTIS 494 Quality Assurance and Reliability by Dr. Ozlem Albayrak 2007 Fall by Ozlem Albayrak

2. Introduction to CTIS494 Course Elements: - Students - Instructor - Course Material by Ozlem Albayrak

3. Instructor Ozlem Albayrak • Computer Eng. Bilkent, 1992 • M.B.A., Bilkent, 1994 • M.S., UMCP, 1998 • Phd., Ankara, 2002 Room# 212 Phone: 290 5039 E-mail: ozlemal@bilkent.edu.tr by Ozlem Albayrak

4. The Students • ? Attendance • Get to Know • Why are they here? • Expectations, Interests • This is an ELECTIVE course, may require more... by Ozlem Albayrak

5. Office Hour Tuesday: 14:40-15:30 Thursday: 8:40-10:30 e-mail or appointment by Ozlem Albayrak

6. CTIS 494 Outline (1) by Ozlem Albayrak

7. CTIS 494 Outline (2) by Ozlem Albayrak

8. Today ... Introduction to Software Quality Assurance by Ozlem Albayrak

9. Course Material Not limited to: • The main text book • References • All quality related high quality sources by Ozlem Albayrak

10. References (1) • “Quality Assurance for Information Systems” by W. E. Perry, QED Technical Publishing Group 1991. • “Statistical Quality Design and Control” by R. E. DeVor, T. Chang, J.W. Sutherland Macmilllan, 1992. • “Software Quality Assurance Reliability and Testing” Chris Summers 1987. by Ozlem Albayrak

11. References (2) • “Handbook of Software Quality Assurance”, G. G. Shulmeyer, CDP J. I. McManus 1987. • “Total Quality” J.W. Dean, Jr. J. R. Evans West 1994. by Ozlem Albayrak

12. Grading • 1 Midterm 30% (II. Parts: Closed and Open book) • 1 project 35% (Group of 4) • 1 Final 35% (Open book) by Ozlem Albayrak

13. Course Goal: • Software Quality Assurance and Reliability This course provides students with the analytical and management tools necessary to solve software quality problems and implement effective quality systems. by Ozlem Albayrak

14. Topics include: • voice of the customer analysis, • the Six Sigma problem solving methodology, • process capability analysis, • measurement system analysis, • design of experiments, • statistical process control, • failure made and effects analysis, • quality function development, and • reliability. by Ozlem Albayrak

15. What is Quality? by Ozlem Albayrak

16. Concentration on: SOFTWARE QUALITY ASSURANCE by Ozlem Albayrak

17. Requirements • Come to class prepared (search related subjects) • Involve in in-class-case studies or exercises • Team work is important part of the course by Ozlem Albayrak

18. Project • Details are written in the handouts • You will evaluate your clasmates studies  by Ozlem Albayrak

19. CTIS494 PROJECT DETAILS • 35% of the total grade is from the projects (same weight as final) • The course project is a group project each of which will be developed by 4 students. • Project subjects will be announced by the instructor. Project requires groups to submit a report and deliver a in-class presentation. Reports will be submitted 2 weeks before the presentations. by Ozlem Albayrak

20. Project Report specifications • Project reports will be prepared as web pages that can be accessed by all the students and the istructor. • The groups are free to design their web pages format, but the generated pages should be readable and understandable. • Navigation among the pages should be carefully organized. • The quality of the web pages will be determined by is content, format as well as its timely distribution. Late submissions will be heavily penalized. by Ozlem Albayrak

21. Project Presentations • Project study will be presented in classroom. • Following the presentations there will be a question-answer session during which the instructor and the other students are allowed to ask questions. • Those students who prepare good questions will be awarded by the instructor. • Fluency of the presentation is as important as its content, thus the groups are urged to prepare their presentations in advance to deliver a high quality presentation. • Duration of the presentations will be announced by the instructor. Using time effectively is an important element. by Ozlem Albayrak

22. Project Evaluation • 20% of the project grade is allocated for project presentation and 15% is for the project report. • 15% includes evaluation of the following items: • Content • Format and ease and fluency of navigation • Timely delivery • 20% includes evaluation of the following items: • Content • Fluency of the presentation • Obedience to time limits • Answers to questions by Ozlem Albayrak

23. Quality exercise • Define high quality toilette paper? • Single (5 min) • In groups of two (5 min) • Reviews....... • Hw # : form a group of four • One address for the class and registration to the group.... Do not wait for invitation register by Ozlem Albayrak

24. What is quality? by Ozlem Albayrak

25. Different Perspectives on Quality • Beauty is in the eye of the beholder • For the same course one may say it is highly theoretical, while others state that it is highly practical. • There are many different definitions and dimensions of Quality by Ozlem Albayrak

26. Quality Dimensions • Transcendent • Product based • User based • Manufacturing based • Value based by Ozlem Albayrak

27. Transcendent • Quality is something that is intiutively understood but nearly impossible to communicate, such as beauty and love. I like it, because I just like it....!!! by Ozlem Albayrak

28. Product based • Quality is found in the components and attributes of a product. • I like it, because the product has .... by Ozlem Albayrak

29. User based • If the customer is satisfied, the product has good quality. • I am satisfied with this product. by Ozlem Albayrak

30. Manufacturing based • If the product conforms to design specifications, it has good quality. • The product is of xxx standards. by Ozlem Albayrak

31. Value based • If the product is perceived as providing good value for the price, it has good quality. • This is the best one I can buy at this price. by Ozlem Albayrak

32. Garvin’s 8 quality dimensions Performance Durability Serviceability Features Reliability Aesthetics Conformance Percieved quality by Ozlem Albayrak

33. Performance • Efficiency with which a product achieves its intended purpose by Ozlem Albayrak

34. Features • Attributes of a product that supplement the product basic performance by Ozlem Albayrak

35. Reliability • Propensity (eğilim) for a product to perform consistently over its useful design life by Ozlem Albayrak

36. Conformance • Is a particular dimension of a product is within the allowable range of tolerance of the specification, the product conforms. by Ozlem Albayrak

37. Durability • The degree to which a product tolerates stress or trauma without failing by Ozlem Albayrak

38. Serviceability • Ease of repair for a product by Ozlem Albayrak

39. Aesthetics • Subjective sensory characteristics such as taste, feel, sound, look and smell. by Ozlem Albayrak

40. Perceived Quality • As the customer perceives the quality. QUALITY by Ozlem Albayrak

41. Service Quality dimensions • More difficult to define than to define product quality • Tangibles • Service reliability • Assurance by Ozlem Albayrak

42. Differing Functional Perspectives on Quality • Engineering • Operations • Strategic Management • Marketing • Financial • Human Resources by Ozlem Albayrak

43. Engineering • Engineering is an applied science. • Product Design Engineering • Concurrent Engineering (simultaneous performance) • Statistics + technical orientation by Ozlem Albayrak

44. Design Life Cycle Idea Generation Iterations Preliminary Design Prototype Development Final Definition Product Design Evaluation Implementation by Ozlem Albayrak

45. Operations • Focus was initially on statistical process control • Uses system view underlying modern quality management thinking by Ozlem Albayrak

46. Strategic Management • Refers to the planning processes • Long term orientation • Goal: to achieve sustainable competititve advantage by Ozlem Albayrak

47. Generic Strategic Planning Process (1) Firm Mission and Goals External analysis Internal analysis Strategic Options Business level strategy Corporate level strategy Operational Subplans by Ozlem Albayrak

48. Generic Strategic Planning Process (2) Operational Subplans Conflict Politics and Change Organizational Reward System Organizational Design Strategic Alignment between Structure and Goals by Ozlem Albayrak

49. Marketing • Customer satisfaction by Ozlem Albayrak

50. Financial • Risk of investment vs. Potential rewards by Ozlem Albayrak