1. Chapter 1. Introduction: The state of the art and the structure of the book (by Kertesz, Andras); 2. Part I: The methodological framework; 3. Chapter 2. The p-model of data and evidence in linguistics (by Kertesz, Andras); 4. Part II: Object-theoretical applications; 5. Chapter 3. The plausibility of approaches to syntactic alternation of Hungarian verbs (by Bibok, Karoly); 6. Chapter 4. Methods and argumentation in historical linguistics: A case study (by Nagy C., Katalin); 7. Chapter 5. Hungarian verbs of natural phenomena with explicit and implicit subject arguments: Their use and occurrence in the light of data (by Nemeth T., Eniko); 8. Chapter 6. The development of a taxonomy of verbal disagreements in the light of the p-model (by Koczogh, Helga Vanda); 9. Chapter 7. A case of disagreement: On plural reduplicating particles in Hungarian (by Rakosi, Gyorgy); 10. Chapter 8. A plausibility-based model of shifted indexicals (by Vecsey, Zoltan); 11. Part III: Metatheoretical applications; 12. Chapter 9. Thought experiments and real experiments as converging data sources in pragmatics (by Kertesz, Andras); 13. Chapter 10. Data and the resolution of inconsistency in Optimality Theory (by Rakosi, Csilla); 14. Chapter 11. Conclusions (by Kertesz, Andras); 15. Author index; 16. Subject index