Henri Tajfel's concept that points out a tendency to over-emphasize the differences between things belonging to different categories, and likewise, amplify similarities between things within the same categories.

ACCENTUATION THEORY: "The accentuation theory postulates an idea that people have a propensity to embellish similarities or dissimilarities between objects, such an occurrence that is commonly seen in scientific studies."
Cite this page: Nugent, Pam M.S., "ACCENTUATION THEORY," in, April 7, 2013, (accessed January 22, 2018).