Preface; Introduction; 1. The first sketch; 2. What is science?; 3. How to do science?; 4. What is social science and the digital humanities?; 5. Everyday linguistics: form and function; 6. Repetition and replication: laying the groundwork for an empirical study; 7. Replication: carrying out an empirical study; 8. Conclusion; Appendix 1; Appendix 2.