1. The hypothesis is based on the activity theory of Alexei Leontiev. 2. Appropriation in education is often understood and analyzed through activity theory . 3. This reflects the roots of the framework in distributed cognition and activity theory . 4. Activity theory also influenced the development of activity games as developed by Georgy Shchedrovitsky.5. Routine activity theory says that crime is normal and depends on the opportunities available. 6. These works discuss Activity Theory and offer a basis for understanding our relationship with technology. 7. It is known as Scandinavian activity theory . 8. Routine Activities Theory relates the pattern of offending to the everyday patterns of social interaction. 9. Routine activity theory is controversial among sociologists who believe in the social causes of crime. 10. Activity theory is more of a descriptive meta-theory or framework than a predictive theory.