In studying the bystander effect, a researcher is interested in looking at differences between prison guards in china and the united kingdom. the researcher is taking a in this cross cultural study.

Socio-cultural

Explanation:

It is the psychology which focuses on important contribution to human development. This approach stressed the relationship between human development and socio-cultural development where people live. Human learning depends on the socio-cultural perspective of a person. Vygotsky contributes to this approach. He focused on parents, caregivers, peers, the relationship that contribute in major developing socio-cultural aspects. Learning is a reciprocal process in which a person  interact with other people to improve or develop his/her social environment. When a person develops his/her socio-culture then interact at individual levels.