What is Berrys model of acculturation

The first dimension concerns the retention or rejection of an individual's native culture (i.e.Within berry's model, these two dimensions intersect to create four acculturation categories— assimilation (adopts the receiving culture and discards the heritage culture), separation (rejects the receiving culture and retains the heritage culture), integration (adopts the receiving culture and retains the heritage culture), and marginalization …Berry's 4 acculturation strategies are assimilation, separation, marginalization and integration (bicultural).Is it considered to be of value to maintain one's identity and characteristics?).Although berry's acculturation strategies have been applied to various acculturating.