PA2557_SQM_Lecture1 - Course Introduction.pdf
- 1. s Software Quality Management PA2557 Course introduction Conny Johansson
- 2. Introduction • Information about the course • Information about the lectures • Information about the assignments • Expectations from you
- 3. Course Information • Course information – Web page: Canvas reference • Course responsible – Conny Johansson • Email: Conny.Johansson@bth.se (best contact media) • Marking assignments (with support/supervision from me as an examiner) – Xingru Chen • Email: xingru.chen@bth.se
- 4. Course – Overview of Lecture content • L1: Introduction to Quality • L2-3: Quality basics • L4: Process Improvement • L5: Process Improvement and Process Maturity • L5-6: Product and Project Quality Management • L7: Process Improvement Processes, GQM+Strategies • L8: GQM+Strategies • L9-10:Defect Prevention • L11: Quality standards, SE Code of ethics
- 5. Course – Content of Assignments A1: Impact of code reviews on Software Code Quality (Individual assignment) A2: Evaluating code quality through code reviews - Group assignment (3-4 members) A3: Improving code quality using GQM+Strategies – Group assignment (same group as assignment 2) Note: Reports shall be written in English (not Swedish, nor Chinese, nor Hindi, nor any other language). Agree on groups and sign on to the groups in Canvas.
- 6. Ways of Learning in the Course • Active participation in the lectures • Ask additional questions during lectures or after the lectures • Study the mandatory literature and material from the department (Canvas) • Read the reference literature • The slides are complements to the course material/ literature. Not explicitly referring to the literature.
- 7. • Main literature: • Basili, et al.: Aligning Organizations Through Measurement (The GQM+Strategies approach) • Material published at the course home page in Canvas • Reference literature: • Project Management Institute: A Guide to the Project Management Body of Knowledge – PMBOK GUIDE, Seventh Edition • Bergman/Klefsjö: Quality – From Customer Needs to Customer Satisfaction • Jacobs, Deb: Accelerating Process Improvement Using Agile Techniques • Zahran: Software process improvement – Practical Guidelines for Business Success • Ronald William Day: Design Error; A human factors approach. • Huizinga, D; Kolawa: Automated Defect Prevention. Course literature
- 8. Expectations • Attend the seminars/lectures • Deliver mandatory assignments at the expected deadlines • Assignments delivered late = cannot guarantee that the assignment will be corrected this year • You shall show your ability to extract the most important knowledge and to present it in a clear way • At least Pass grade (E) on all the assignments and the exam • The requirements for passing each assignment are described in each assignment description • Grades for the course will be based on the assignments and the written exam
- 9. Assessment and Grading Module Credit Grading Assignment 1 1.5 ECTS Assignment 2 1.5 ECTS Assignment 3 1.5 ECTS Written Exam 3.0 ECTS The number of credits corresponds to the weight of the grade
- 10. Grading • The grade for the course will be given according to the European grading system – ECTS (A, B, C, D, E, FX, F) • A, B: – Pass with distinction/High pass • C, D, E: – Pass • FX, F: – Fail
- 11. Grading (ECTS) • A: EXCELLENT – outstanding performance with only minor errors • B: VERY GOOD – above the average standard but with some errors • C: GOOD – generally sound work with a number of notable errors • D: SATISFACTORY – fair but with significant shortcoming • E: SUFFICIENT – performance meets the minimum criteria • F: FAIL – considerable further work is required
- 12. The Written Exam • Questions are closed. “Which alternative is true....”, “Which alternative is NOT true...”. E.g. i. Alternative 1 ii. Alternative 2 iii. Alternative 3 iv. Alternative 4 v. (i) and (iii) above vi. (ii) and (iv) above vii. All of the above (i) – (iv) viii. None of the above (i) – (iv)
- 13. Assignment Requirements – Contents • Write the reports with your own words – Copy/paste is strongly forbidden • Even from your assignments of other courses • Plagiarism is not tolerated – Automatically checked in Canvas – Consequence: Could be Fail for the “course” • Make clear distinction between your own opinion and other’s work/opinion – Proper citation and referencing
- 14. Myself – Conny Johansson • MSc. Mathematics, specialized in CS, 1987 • Licentiate Software Engineering (Swedish research degree) • At BTH since 1989 • 5 years at a small Software House. 1987-1992 • 15 years at the Ericsson Group (part time 50%). 1992-2007 • 13 years, co-owner of HLL – Software Specialists Consultants (Quality and Architecture) • Since 2020 – own company CQA – Continuous Quality Assurance (previously a part of HLL)
- 15. Myself, interest and skills • Quality management: – certified ISO9001:2015 Lead Auditor – registered Lead Auditor, TickITplus capability assessor, in the International Register of Certified Auditors, gasq – 15-20 customers of different size • Dean of School, head of approximately 150 people within telecommunication systems, software engineering and computer science April 2009 – December 2013.
- 17. What is Quality?
- 18. What is Quality? – cont. • Which has highest quality? – Mercedes Benz or Toyota Camry? • more prestige? • weighs more? • costs less to operate and maintain? • more reliable? • more beautiful? • leaves more money for other things?
- 20. What is Quality? – cont.
- 24. What is Quality? – cont. • What is quality for a cell phone? – Must be smart?! – Weight? – Prestige? – Price? – Camera characteristics? – Safety? – Soccer results? – Social media? – Payment? – Screen features? – What about making calls?
- 25. • Crosby: quality is conformance to requirements • Juran: fitness for use • Deming: quality should be aimed at the needs of the customer, present and future • Shewhart: quality has one measurable side and one subjective What is Quality? – cont.
- 26. What is Quality? – cont. • ISO9000: the degree to which a set of inherent characteristics fulfills the requirements, i.e. needs or expectations that are stated, generally implied or obligatory • Bergman/Klefsjö: The quality of the product is its ability to satisfy, or preferably exceed, the needs and expectations of the customer
- 27. What is Quality? – cont. • Who establishes the requirements? • The Stakeholders – Sponsor: the one who pays for the product – End user: the one who will use the product – Sales or marketing: the ones who will sell the product – Customer: the one who buys the product – The Developers: the one’s who develop the product – Subcontractors – Stockholders – Subject matter experts – An Individual or a Group • The Stakeholders differ between projects and products • Identify the stakeholders! Stakeholder Management.
- 28. What is Quality? – cont. • Functional requirements – E.g. connect point A to point B – Exists, or does not exist. Binary result 0 or 1. • Quality requirements (characteristics, non-functional requirements) – Reliability – Security – Safety – Maintainability – Usability – Performance – Measured on a relative scale
- 29. Is the customer always right? • NO! – But you shall always consider the customer’s needs, point of views • Who is the customer for – Standard products? (Niche market) – Off-the-shelf products? (Mass market) – Specialized products? • Stakeholders – supports the organization (customers, suppliers, product management, users, share-holders, loan givers) • Interested parties – appr. person/group who have interest in the performance and success of the organization
- 30. Is the customer always right? • It is the suppliers responsibility to actively and continuously ensure that the requirements are conforming to the stakeholder’s real needs.
- 31. What is Quality? – cont.
- 32. • Coffee could be: • Hot or cold (or medium) • Flavorful or tasteless • Strong or weak • Served in a small cup or big mug • Saucer or no saucer • Not too strong • Sugar or no sugar • Lump sugar or powdered sugar • Raw sugar or white sugar • Milk or no milk • Cream or no cream • Decaffeinated coffee? • The amount of milk, sugar, cream????? • Etc.!!!!!! What is Quality? – cont.