Introduction; 1. Main features of scientific research on education; 2. Important types of scientific research on education; 3. Main features of evidence-based research on education; 4. Meta-analyses on education; 5. A synthesis of over 800 meta-analyses relating to achievement; 6. Scaffolding effective teaching and successful learning; 7. Planning and starting the lesson; 8. Presenting knowledge and skills - assertive questioning; 9. Guided and independent practice; 10. Cooperative and project-based learning; 11. Feedback - reciprocal and informative; Concluding remarks: standards need more evidence. sakriti opis