P: researchers in psychology, travel much more now than they did 50 years ago
E: this means they have an increased understanding of other cultures at a personal level but also at a professional level. academics hold international conferences where researchers from many different countries and cultures regularly meet to discuss and exchange ideas
L: this means there is a much greater exchange of ideas, which should reduce ethnocentrism in psychology, enable an understanding of cultural relativism and mean that real differences are identified and valued