In general, the material on race has moved from surface traits to genetics and evolutionary history.
2.
He defined it as credibility that derives from " initial judgments based on surface traits such as a persons'looks, his or her dress, or hairstyle"
3.
Plagued by a system that casts by " type " based on physical appearance and other surface traits, Kiman, with dark ethnic looks and of medium height, has been unable to get leading theater roles to complement his strong voice.