Several Factors Have Contributed to the Recent Increased Interest in Research

Several factors have contributed to the recent increased interest in research dealing with "cultural" variables in psychology.Which of the following is NOT one of these contributing factors

A)  depersonalization of human beings by modern psychology 
B)  various groups (such as civil rights groups and women's groups) arguing that society has paid little attention to human diversity 
C)  increased ethnic diversity in North America 
D)  increased contact with non-Western cultures due to advances in communication and travel