“…The questionnaire measures the three main factors which contribute to a group's overall vitality (demographic strength, status and institutional support) and it also elicits subjects' perceptions on the degree of contact among ethnic groups. For EV studies, see Bourhis and Sachdev (1984), Giles and Johnson (1987), Giles, Rosenthal, and Young (1985), Kraemer and Olshtain (1989), Yagmur (2004), Yagmur and Kroon (2003) and Ytsma, Angels Viladot, and Giles (1994). For critiques of the theory, see Fishman (2001) and Husband and Saifullah Khan (1982).…”