1. Introduction -- 2. Learning theory and technology : behavioral, constructivist and adult learning approaches -- 3. Tutorial method : profiling, customization and agents -- 4. Group method : virtual teams and communities -- 5. Human-computer interaction in education -- 6. Interactivity and...

This paper constructs the probability space underlying the random variable of any time dependent econometric specification. The construction links concrete economic activity, both perceived and recorded, and econometric formulations. Furthermore, it is argued that the probability events...

This paper constructs the probability space underlying the random variable of any time dependent econometric specification. The construction links concrete economic activity, both perceived and recorded, and econometric formulations. Furthermore, it is argued that the probability events...