31 the experiences of the recent Cuban immigrants in the U.S. The process of acculturation is affected by and affects the rate which immigrants learn English. A closer look at this process provides important back ground information necessary for understanding the research population. Sassen-Koob (1979) believes that investigating a particular immigrant group is a necessary step in the more general task of understanding assimilation and acculturation. "It is then possible to move from the particular back to the analytical as a means of formulating general propositions rooted in the actual historical experience of the immigrant groups" (p. 314). The reverse process can also be utilized to understand specific groups, by understanding the patterns by which larger masses have established themselves in this land of immigrants. Accommodation, Adaptation, and Assimilation Richmond (1973) provides an extensive review of the literature on immigrant adaptation in which she examines definitions of accom modation and acculturation. Accommodation occurs when the immigrant changes behavior simply to avoid or reduce the likelihood of conflict. Acculturation results in a change in behavior over a period of time as two different cultures come in contact. Changes occur based on newly acquired knowledge and understanding. Acculturation is often, but not always, the first step in the process of assimilation. The amount of acculturation which a person or a group experiences is frequently, but not always, in direct relationship to the length of time in residence in the host country and the extent of interaction