1. Introduction  
1.1. Problem Statement  
1.2. Research Objective  
1.3. Contribution  
1.4. Terminology Used in the Survey  
2. Related Work  
2.1. Survey Research on Requirements Engineering  
2.2. Previously Published Material  
3. Theory and Expectations  
3.2. Status Quo in Requirements Engineering  
3.3. Status Quo in Requirements Engineering Improvement  
3.4. Contemporary Problems in Requirements Engineering  
4. Design of a Family of Surveys  
4.2. Methodology  
4.3. Survey Instrument  
4.4. Data Analysis  
4.5. Validity Procedures  
5. Results from Germany  
5.1. Study Population  
5.2. Expectations on a Good Requirements Engineering (RQ 1)  
5.3. Status Quo in Requirements Engineering (RQ 2)  
5.4. Status Quo in Requirements Engineering Improvement (RQ 3)  
5.5. Contemporary Problems in Requirements Engineering (RQ 4)  
5.6. Patterns of Expectations, Status Quo, and Problems in Requirements Engineering (RQ 5)  
6. Lessons Learnt  
7. Conclusion  
7.1. Summary of Results  
7.2. Relation to Existing Evidence  
7.3. Impact/Implications  
7.4. Limitations  
7.5. Future Work