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Project Postmortem Template - PowerPoint

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Project Postmortem Template - PowerPoint Powered By Docstoc
					            Team Software Project (TSP)
                  June 26, 2006

                         System Test




6/26/2007       SE 652- 2007_6_26_TestResults_PSMp1.ppt   1
                                   Outline

Remaining Session Plan & Discussion
System Test Plan Discussion
Mythical Man Month
System Test Plan Recap
Metrics Presentations
More on Measurement
Next Phases
      Cycle 1 Test
      Cycle 1 Post-Mortem & Presentations
      Cycle 2 Plan & Strategy



6/26/2007                SE 652- 2007_6_26_TestResults_PSMp1.ppt   2
                             Due Today

Key Metrics Presentation (10-15 minutes)
All Implementation Quality Records (LOGD, CCRs, etc.)
Final code (source & executable)
Updated Products (code components, SRS, HLD, User Documentation)
Intermediate Products (e.g. Unit Test Plans)
Configuration Management Plan
Release CD:
      Application
      User Guide
      Release Letter

No class on July 3

6/26/2007              SE 652- 2007_6_26_TestResults_PSMp1.ppt     3
Project Performance Discussion
            Remaining Lectures Plan/Discussion
July 10 – Cycle 1 Test Complete & Post-Mortem
      Cycle 1 Results Presentation & Discussion
      Cycle 1 Reports & Post-Mortem
      Measurement
      Team audit
July 17 – Cycle 2 Launch
      Cycle 2 Launch, Project & Measurement Planning
      Peopleware Topics: Management, Teams, Open Kimono, Quality, Hiring/Morale, …
July 24 – Cycle 2 Requirements Complete
      Cycle 2 Requirements
      Death March Projects:
July 31 – Cycle 2 Implementation Complete
      System Test Plan Baselined
      Cycle 2 Design & Implementation
      Process topics – CMMI, TL-9000, ISO
August 7 – Cycle 2 Test Complete
      Cycle 2 Test Complete
      Cycle 2 Post-Mortem Complete
August 14 - Course Review
      Course Review
      Class exercise
      Final



6/26/2007                       SE 652- 2007_6_26_TestResults_PSMp1.ppt              5
Remaining Course Topics Discussion
                            System Test Schedule

Note: Assumes system has already passed Integration Test
Full feature to system test and instructor by COB June 25 including:
      Test environment
      Executable
      User documentation (note: CCRs can be filed against user documentation)
      Source code
Tester generates CCRs for all finds & fills out LOGTEST
      Email to instructor when generated (see below)
      Development team updates LOGD referencing CCRs
Required turn-around times for fixes
      80% within 24 hours
      99% within 48 hours
Required test coverage short of blocking issues
      80% First Pass Test Complete by June 28
      100% First Pass Test Complete by July 1
      Regression Test Complete by July 3
Daily test reports to instructor detailing test cases executed, results & CCRs
6/26/2007                       SE 652- 2007_6_26_TestResults_PSMp1.ppt          7
                     System Test Plan Recap

Areas to cover:
      Installation
      Start-up
      All required functions available & working as specified
      Diabolical (e.g. power failures, corner cases, incorrect handling)
      Performance
      Usability
Includes:
      Test cases you plan to run (numbered / named)
      Expected results
      Ordering of testing & dependencies
      Supporting materials needed
      Traceability to requirements

6/26/2007                  SE 652- 2007_6_26_TestResults_PSMp1.ppt         8
                               Release “Letters”

Purpose
What’s in it?
      – Version Information
      – Release contents
            Examples:
            • All functionality defined in Change Counter Requirements v0.6 except GUI
            • Phase 1 features as defined in project plan x.y
            • Feature 1, Feature 2, Feature 3 as defined by …
      – Known Problems
            • Change Request IDs w/ brief customer oriented description
      – Fixed Problems
      – Upgrade Information
      – Other?



6/26/2007                      SE 652- 2007_6_26_TestResults_PSMp1.ppt                   9
                     Implementation Status

Implementation experience
Unit/Integration experience
Problems / Rework?

PIP forms




6/26/2007                SE 652- 2007_6_26_TestResults_PSMp1.ppt   10
Team Presentation
Project Measurement

      Source: Practical Software Measurement
                          John McGarry, et.al.
                   Measurement




            “If you can’t measure it,
              you can’t manage it”

                                                          Tom DeMarco




6/26/2007       SE 652- 2007_6_26_TestResults_PSMp1.ppt            14
                              Fundamentals

Don’t try to measure everything
Align measures with:
      Project goals & risks (basic survival mode)
      Process improvement areas (continual improvement mode)
Define measurement program up front
Monitor continuously & take action where needed




6/26/2007                  SE 652- 2007_6_26_TestResults_PSMp1.ppt   15
                             Applications

Improve accuracy of size & cost estimates
Improve quality
Understand project status
Produce more predictable schedules
Improve organizational communication
Faster, better informed management decisions
Improve software processes




6/26/2007                SE 652- 2007_6_26_TestResults_PSMp1.ppt   16
      Basic In-Process Measurement Examples

Schedule
      Earned Value vs. Planned Value
      Schedule Variance
Development
      Task completion
      Actual code completed vs. planned
Project End Game
      Defect Creation vs. Closure
            Variations: severity
System Test
      % Testing Complete
            Variations: passed, failed, blocked
      Test Time / Defect
      Test Coverage (vs. requirements, white box code coverage)


6/26/2007                          SE 652- 2007_6_26_TestResults_PSMp1.ppt   17
Process Improvement Measurement Examples

Quality
      Defect density
      Post Deployment defect density


Inspection Effectiveness
      Defects / inspection hour


Estimation Accuracy




6/26/2007                    SE 652- 2007_6_26_TestResults_PSMp1.ppt   18
                             Why Measure?

Support short & long term decision making
Mature software organization (CMMI level?) uses measurement to:
      Plan & evaluate proposed projects
      Objectively track actual performance against plan
      Guide process improvement decisions
      Assess business & technical performance


Organizations need the right kind of information, at the right time to make
   the right decisions


6/26/2007                  SE 652- 2007_6_26_TestResults_PSMp1.ppt        19
            Measurement in Software Lifecycle

Plan
Do – carry out change
Check – observe effects of change
Act – decide on additional areas for improvement
      Repeat


Considerations: Cost, schedule, capability, quality


6/26/2007               SE 652- 2007_6_26_TestResults_PSMp1.ppt   20
            Measurement Psychological Effects

Measurement as measures of individual performance
Hawthorne Effect
Measurement Errors
      Conscious: rounding, pencil whipping (ie. False data entry)
      Unintentional: inadvertent, technique (ie. Consistent)




6/26/2007                  SE 652- 2007_6_26_TestResults_PSMp1.ppt   21
                          Use of Measures

Process Measures – time oriented, includes defect levels, events & cost elements
   Used to improve software development & maintenance process
Product Measures – deliverables & artifacts such as documents
   includes size, complexity, design features, performance & quality levels
Project Measures – project characteristics and execution
   includes # of developers, cost, schedule, productivity
Resource Measures –resource utilization
   includes training, costs, speed & ergonomic data




6/26/2007                 SE 652- 2007_6_26_TestResults_PSMp1.ppt                  22
                                       Glossary

Entity - object or event (e.g. personnel, materials, tools & methods)
Attribute - feature of an entity (e.g. # LOC inspected, # defects found, inspection time)
Measurement - # and symbols assigned to attributes to describe them
Measure – quantitative assessment of a product/process attribute (e.g. defect density, test pass
    rate, cyclomatic complexity)
Measurement Reliability – consistency of measurements assuming nochange to method/subject
Software validity – proof that the software is trouble free & functions correctly (ie. high quality)
Predictive validity – accuracy of model estimates
Measurement errors – systematic (associated with validity) & random (associated w/ reliability)
Software Metrics – approach to measuring some attribute
Defect – product anomaly
Failure – termination of product’s ability to perform a required function




6/26/2007                     SE 652- 2007_6_26_TestResults_PSMp1.ppt                         24
                    PSM Measurement Process
Measurement Plan
      Information need – e.g.:
            What is the quality of the product?
            Are we on schedule?
            Are we within budget?
            How productive is the team?
      Measurable Concept
            Measured entities to satisfy need (abstract level: e.g. productivity)
      Measurement Construct
            What will be measured? How will data be combined? (e.g. size, effort)
      Measurement Procedure
            Defines mechanics for collecting and organizing data
Perform Measurement
Evaluate Measurement

6/26/2007                      SE 652- 2007_6_26_TestResults_PSMp1.ppt              25
                       Measurement Construct

                Decision Criteria                  Indicator

                                                  Analysis Model

                        Derived Measure                                 Derived Measure
                        Measurement Function
               Base Measure            Base Measure

Measurement method                                Measurement method

                 Attribute                 Attribute


   6/26/2007                  SE 652- 2007_6_26_TestResults_PSMp1.ppt                     26
                                                                                               Indicator


                                                                             Derived Measure               Derived Measure



                                   Attributes                        Base Measure    Base Measure


                                                                       Attribute       Attribute




Attribute
      Distinguishable property or characteristic of a software entity
      (Entities: processes, products, projects and resources)
      Qualitative or Quantitative measure




6/26/2007                  SE 652- 2007_6_26_TestResults_PSMp1.ppt                                              27
                                                                                                Indicator


                                                                              Derived Measure               Derived Measure



                               Base Measure                           Base Measure    Base Measure


                                                                        Attribute       Attribute



Measure of an attribute (one to one relationship)
Measurement method
      Attribute quantification with respect to a scale
Method type
      Subjective (e.g. high, medium, low), Objective (e.g. KLOC)
Scale
      Ratio
      Interval
      Ordinal
      Nominal
Unit of measurement
      e.g. hours, pages, KLOC

6/26/2007                   SE 652- 2007_6_26_TestResults_PSMp1.ppt                                              28
                                                                                                  Indicator


                                                                                Derived Measure               Derived Measure
                              Derived Measure                           Base Measure    Base Measure


                                  Indicator                               Attribute       Attribute




Derived Measure
      Function of 2 or more base measures
      Measurement Function
            Algorithm for deriving data (e.g. productivity = KLOC/developer hours)


Indicator
      Estimate or Evaluation
      Analysis Model
            Algorithm / calculation using 2 or more base &/or derived measures +
      Decision Criteria
            Numerical thresholds, targets, limits, etc.
              used to determine need for action or further investigation


6/26/2007                     SE 652- 2007_6_26_TestResults_PSMp1.ppt                                              29
                                                                                              Indicator


                                                                            Derived Measure               Derived Measure
                    Measurement Construct                           Base Measure    Base Measure


                         Examples                                     Attribute       Attribute




Productivity
      Attributes:               Hours, KLOC
      Base Measures:            Effort (count total hrs), Size (KLOC counter)
      Derived Measure:          Size / Effort = Productivity
      Analysis Model:           Compute Mean, compute std deviation
      Indicator:                Productivity: mean w/ 2  confidence limits
Quality
      Attributes:               Defects, KLOC
      Base Measures:            # Defects (count defects), Size (KLOC counter)
      Derived Measures:         # Defects / Size = Defect Rate
      Indicator:                Defect rate control: baseline mean, control limits &
         measured defect rate

6/26/2007                 SE 652- 2007_6_26_TestResults_PSMp1.ppt                                    30
                                                                                             Indicator


                                                                           Derived Measure               Derived Measure
                   More Measurement Construct                      Base Measure    Base Measure


                           Examples                                  Attribute       Attribute




Coding
      Base Measure:          Schedule (w.r.t. coded units)
      Derived Measure:       Planned units, actual units
      Analysis Model:        Subtract units completed from planned units
      Indicator:             Planned versus actual units complete + variance




6/26/2007                SE 652- 2007_6_26_TestResults_PSMp1.ppt                                    31
                                                                                             Indicator


                                                                           Derived Measure               Derived Measure
                   Class Measurement Construct                     Base Measure    Base Measure


                            Examples                                 Attribute       Attribute




Coding
      Base Measure:
      Derived Measure:
      Analysis Model:
      Indicator:




6/26/2007                SE 652- 2007_6_26_TestResults_PSMp1.ppt                                    32
                        Measurement Planning

Identify Candidate Information Needs
      Project Objectives
            Cost, schedule, quality, capability
      Risks
Prioritize
      One approach: probability of occurrence x project impact = project exposure
      e.g.
      Schedule
      Budget
      Reliability
      Dependencies
      Product Volatility

6/26/2007                      SE 652- 2007_6_26_TestResults_PSMp1.ppt          33
            PSM Common Information Categories

Schedule & Progress
Resources & Cost
Product Size & Stability
Product Quality
Process Performance
Technology Effectiveness
Customer Satisfaction



6/26/2007            SE 652- 2007_6_26_TestResults_PSMp1.ppt   34
            PSM Common Information Categories
                 Measurement Concepts
Schedule & Progress        - milestone dates/completion, EV/PV
Resources & Cost           - staff level, effort, budget, expenditures
Product Size & Stability   - KLOC/FP, # requirements, # interfaces
Product Quality            - defects, defect age, MTBF, complexity
Process Performance        - productivity, rework effort, yield
Technology Effectiveness - requirements coverage
Customer Satisfaction    - customer feedback, satisfaction ratings,
  support requests, support time, willingness to repurchase




6/26/2007              SE 652- 2007_6_26_TestResults_PSMp1.ppt           35
                  Select & Specify Measures

Considerations
      Utilize existing data collection mechanisms
      As invisible as possible
      Limit categories & choices
      Use automated methods over manual
      Beware of accuracy issues (e.g. timecards)
      Frequency needs to be enough to support ongoing decision making
         (alternative: gate processes)




6/26/2007                  SE 652- 2007_6_26_TestResults_PSMp1.ppt      36
                  Measurement Construct
                         Measurement Construct
 Information Need
 Measurable Concept
 Relevant Entities
 Attributes
 Base Measures
 Measurement Method
 Type of Method
 Scale
 Type of Scale
 Unit of Measurement
 Derived Measures
 Measurement
 Function
 Indicator
 Analysis Model
 Decision Criteria
6/26/2007              SE 652- 2007_6_26_TestResults_PSMp1.ppt   37
            Project Measurement Plan Template

(from PSM figure 3-10, p 56)
Introduction
Project Description
Measurement Roles, Responsibilities & Communications
Description of Project Information Needs
Measurement Specifications (i.e. constructs)
Project Aggregation Structures
Reporting Mechanisms & Periodicity




6/26/2007              SE 652- 2007_6_26_TestResults_PSMp1.ppt   38
                    Team Project Postmortem
Why
      Insanity
      Continuous improvement
            Mechanism to learn & improve
            Improve by changing processes or better following current processes
      Tracking process improvements during project
            Process Improvement Proposals (PIP)
            Post-Mortem
      Areas to consider
            Better personal practices
            Improved tools
            Process changes

6/26/2007                   SE 652- 2007_6_26_TestResults_PSMp1.ppt               39
             Cycle 2 Measurement Plan

Identify cycle 2 risks & information needs
Review & revise measures & create measurement constructs
Document in a measurement plan




6/26/2007          SE 652- 2007_6_26_TestResults_PSMp1.ppt   40
                 Postmortem process

Team discussion of project data
Review & critique of roles




6/26/2007          SE 652- 2007_6_26_TestResults_PSMp1.ppt   41
                             Postmortem process
Review Process Data
      Review of cycle data including SUMP & SUMQ forms
      Examine data on team & team member activities & accomplishments
      Identify where process worked & where it didn’t
Quality Review
      Analysis of team’s defect data
            Actual performance vs. plan
            Lessons learned
            Opportunities for improvement
            Problems to be corrected in future
      PIP forms for all improvement suggestions
Role Evaluations
      What worked?
      Problems?
      Improvement areas?
      Improvement goals for next cycle / project?
6/26/2007                        SE 652- 2007_6_26_TestResults_PSMp1.ppt   42
                                     Cycle Report
Table of contents
Summary
Role Reports
      Leadership – leadership perspective
            Motivational & commitment issues, meeting facilitation, req’d instructor support
      Development
            Effectiveness of development strategy, design & implementation issues
      Planning
            Team’s performance vs. plan, improvements to planning process
      Quality / Process
            Process discipline, adherence, documentation, PIPs & analysis, inspections
            Cross-team system testing planning & execution
      Support
            Facilities, CM & Change Control, change activity data & change handling, ITL
Engineer Reports – individual assessments
6/26/2007                       SE 652- 2007_6_26_TestResults_PSMp1.ppt                        43
              Role Evaluations & Peer Forms
Consider & fill out PEER forms
      Ratings (1-5) on work, team & project performance, roles & team members
Additional role evaluations suggestions
      Constructive feedback
      Discuss behaviors or product, not person
Team leaders fill out TEAM EVALUATION form




6/26/2007                 SE 652- 2007_6_26_TestResults_PSMp1.ppt               44
            Cycle 1 Project Notebook Update
Updated Requirements & Design documents
      Conceptual Design, SRS, SDS, System Test Plan, User Documentation*
Updated Process descriptions
      Baseline processes, continuous process improvement, CM
Tracking forms
      ITL, LOGD, Inspection forms, LOGTEST
Planning & actual performance
      Team Task, Schedule, SUMP, SUMQ, SUMS, SUMTASK, CCR*




6/26/2007                SE 652- 2007_6_26_TestResults_PSMp1.ppt           45
                       Due July 10 Class

Cycle 1 Reports / Post-Mortem
Cycle 1 Results Presentation
Cycle 2 Project Plan
Cycle 2 Measurement Plan




6/26/2007               SE 652- 2007_6_26_TestResults_PSMp1.ppt   46
Cycle 1 Audit

				
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