Agile Innovations -- Essence: Facilitating Agile Innovation -- Scrum and Team Effectiveness: Theory and Practice -- Misfit or Misuse? Lessons from Implementation of Scrum in Radical Product Innovation -- Adaptation of Agile -- Method Configuration: The eXtreme Programming Case -- Adopting Agile in a Large Organisation -- An Observational Study of a Distributed Card Based Planning Environment -- Agile Testing and Assessment -- The TDD-Guide Training and Guidance Tool for Test-Driven Development -- JExample: Exploiting Dependencies between Tests to Improve Defect Localization -- An Agile Development Process and Its Assessment Using Quantitative Object-Oriented Metrics -- History and Evolution of Agile -- Historical Roots of Agile Methods: Where Did “Agile Thinking” Come From? -- Seven Years of XP - 50 Customers, 100 Projects and 500 Programmers – Lessons Learnt and Ideas for Improvement -- People Factors in Agile Environments -- Applying XP to an Agile–Inexperienced Software Development Team -- Investigating the Usefulness of Pair-Programming in a Mature Agile Team -- Conceptual Models of Agility -- Just Enough Structure at the Edge of Chaos: Agile Information System Development in Practice -- A Preliminary Conceptual Model for Exploring Global Agile Teams -- Scrum Implementation Using Kotter’s Change Model -- Experience Reports -- Agile Estimation with Monte Carlo Simulation -- The Pomodoro Technique for Sustainable Pace in Extreme Programming Teams -- Adopting Iterative Development: The Perceived Business Value -- Explicit Risk Management in Agile Processes -- Posters -- APDT: An Agile Planning Tool for Digital Tabletops -- Investigating the Role of Trust in Agile Methods Using a Light Weight Systematic Literature Review -- Agile Practices in a Product Development Organization -- Building and Linking a Metaphor: Finding Value! -- The Story of Transition to Agile Software Development -- Predicting Software Fault Proneness Model Using Neural Network -- Multi-modal Functional Test Execution -- Social Network Analysis of Communication in Open Source Projects -- Toward Empowering Extreme Programming from an Architectural Viewpoint -- A Metric-Based Approach to Assess Class Testability -- Inside View of an Extreme Process -- To Track QA Work or Not; That Is the Question -- Build Notifications in Agile Environments -- Supporting Distributed Pair Programming with the COLLECE Groupware System: An Empirical Study -- Workshops -- Experience on the Human Side of Agile -- Retrospective Exploration Workshop -- Exposing the “Devils” within: Agile Taboos in a Large Organization -- BIOHAZARD – Engineering the Change Virus -- Architecture-Centric Methods and Agile Approaches -- Exploring Agile Coaching -- The Agile Technique Hour -- AOSTA: Agile Open Source Tools Academy -- Panels (Abstracts) -- There’s No Such Thing as Best Practice -- Culture and Agile: Challenges and Synergies -- Architecture and Agility Are Not Mutually Exclusive.

This book constitutes the refereed proceedings of the 9th International Conference on Agile Processes in Software Engineering and eXtreme Programming, XP 2008, held in Limerick, Ireland, in June 2008. Out of 54 submitted papers, 16 were accepted as full papers, 4 experience reports, 14 poster papers, 9 workshop papers, and 3 contributions on panel discussions. The papers are organized in topical sections on agile innovations, adaptation of agile, agile testing and assessment, history and evolution of agile, people factors in agile environments, conceptual models of agility, and experience reports.