1. The four levels of research 2. Measuring outcome variables 3. Reliability 4. Validity 5. Test scores and their meaning 6. Data collection instruments 7. Sampling postscript to chapter 8. Internal validity 9. Research design controlling the threats to internal validity 10. Research design what to do when true experiments are impossible 11. Criterion group and correlational research what to do when experimental research in impossible 12. Tests of significance 13. External validity 14. Research variables and the research hypothesis 15. Theoretical research in education 16. Research tools the library 17. Research tools the computer 18. Carrying out a research project and writing the report