I.  Neither has conducted a detailed fieldwork on family, and Laing’s work is limited to families with a schizophrenic member.

II. The work of Laing, unlike Leach, lacks historical perspective.

III. They give little or no reference to social class, or the relationship between class and family.

Which of the above are among the points of criticicism that the works of Leach and Laing has been received?