“…This model has received support in several studies (see Brown & Hewstone, 2005;Brown, Vivian, & Hewstone, 1999;Brown, Maras, Masser, Vivian, & Hewstone, 2001;Gonzalez & Brown, 2002Maras & Brown, 1996;Wolsko, Park, Judd, & Wittenbrink, 2000). Keeping group boundaries salient during contact, however, may create intergroup anxiety and ingroup bias (Greenland & Brown, 1999;Islam & Hewstone, 1993) if the contact situation does not met the optimal conditions suggested by Allport (1954).…”