1. Patterns of attachment. A psychological study of the strange situation;Ainsworth,1978
2. What is theoretical about the child's theory of mind? A Vygotskian view of its development;Astington,1996
3. The altruism question;Batson,1991
4. Adults’ emotional reactions to the distress of others;Batson,1987
5. Motor mimicry as primitive empathy;Bavelas,1987