This groundbreaking work by leading social psychologists who have all contributed in important ways to the psychology of group perception focuses in particular on three interrelated issues 1. This groundbreaking work by leading social psychologists who have all contributed in important ways to the psychology of group perception focuses in particular on three interrelated issues 1 whether groups are seen to be diverse or relatively homogeneous 2 whether groups are seen as real and stable or only transitory and ephemeral and 3 whether group membership derives from some . Book description this groundbreaking work by leading social psychologists who have all contributed in important ways to the psychology of group perception focuses in particular on three interrelated issues 1 whether groups are seen to be diverse or relatively homogeneous 2 whether groups are seen as real and stable or only transitory and ephemeral and 3 whether group membership . Covid 19 resources reliable information about the coronavirus covid 19 is available from the world health organization current situation international travelnumerous and frequently updated resource results are available from this worldcatorg searchoclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus