Complex sentence: The degree to which a given host environment exerts receptivity and conformity pressure on a stranger is closely influenced by the overall ethnic group strength; a measure of a given stranger's ethnic group's capacity to influence the surrounding host environment at large (Gudykunst 2005).
Split into simpler sentences: The degree to which a given host environment exerts receptivity and conformity pressure on a stranger is closely influenced by the overall ethnic group strength. Ethnic group strength is a measure of a given stranger's ethnic group's capacity to influence the surrounding host environment at large (Gudykunst, 2005).