21.   It continues the examination of the behavioural determinants of demand, by looking first at the role and significance of social class.

22.   It has long been known in education circles that a clear correlation exists between social class background and examination success.

23.   It should also serve as a warning against using the concept of social class in a crude explanatory manner.

24.   Marxism, my friend, has studied economics and the social classes.

25.   Most controls were from lower to mid-middle class, while the cases had a greater spread of social class.

26.   Most research suggests that health is related to social class.

27.   Nor have there been many recent sample-survey investigations of the relationship between social class and educational attainment.

28.   One explanation is that there are social class differences of a more superficial kind which overlay the similarity in role-identification patterns.

29.   Otis despised inherited wealth and social class.