||
/ / / /

, , ' , , . (Tajfel & Turner, 1979) , , , . ', , , . , , , , (Billig & Tajfel, 1973; Brewer 1979; Burn & Oskamp, 1989; Crocker & Luhtanen, 1990; Turner, 1987).
, , , , , (social identity theory) (Tajfel, 1981, 1982; Turner, 1987) . (Tajfel, 1981, p. 255) ' - , () . (Crocker & Luhtanen, 1990) (collective self-esteem).
= =