This bookconstitutes the proceedings of the 22nd International Working Conference onRequirements Engineering – Foundation for Software Quality, REFSQ 2016, held inGothenburg, Sweden, in March 2016. The papers were organized in topicalsections named: decision making in requirements engineering; open source inrequirements engineering;

Decision Making in Requirements Engineering.- Risk-Aware Multi-Stakeholder Next Release Planning using Multi-Objective Optimization.- Goal-based Decision Making - Using Goal-oriented Problem Structuring and Evaluation Visualization for Multi Criteria Decision Analysis.- Optimizing the Incremental Delivery of Software Features under Uncertainty.- Open Source in Requirements Engineering.- Do Information Retrieval Algorithms for Automated Traceability Perform Effectively on Issue Tracking System Data.- How Firms Adapt and Interact in Open Source Ecosystems: Analyzing Stakeholder Influence and Collaboration Patterns.- Natural Language.- Evaluating the Interpretation of Natural Language Trace Queries.- Indicators for Open Issues in Business Process Models.- Compliance in Requirements Engineering.- Automated Classification of Legal Cross References Based on Semantic Intent.- Deriving Metrics for Estimating the Effort Needed in Requirements Compliance Work.- Requirements Engineering in theAutomotive Domain.- Detecting Requirements Defects during a Project Lifetime: an Analysis of a 5-year Automotive Project at Bosch.- Take Care of Your Modes! An Investigation of Defects in Automotive Requirements.- Empirical Studies in Requirements Engineering.- Gamified Requirements Engineering: Model and Experimentation.- Documenting Relations between Requirements and Design Decisions: A Case Study on Design Session Transcripts.- The Use and Effectiveness of User Stories in Practice.- Requirements Engineering Foundations.- Foundations for Transparency Requirements Engineering.- What is essential? - A Pilot Survey on Views about the Requirements Metamodel of reqT.org.- Human Factors in Requirements Engineering.- Peoples' Capabilities are a Blind Spot in RE Research and Practice.- Customer Involvement in Continuous Deployment: A Systematic Literature Review.- Research Methodology in Requirements Engineering.- Common Threats and Mitigation Strategies in Requirements Engineering Experiments with Student Participants.- Lean Development in Design Science Research: Deliberating Principles, Prospects and Pitfalls.- How do We Read Specifications? Experiences from an Eye Tracking Study.