Though not common in sociological models, the middle class may be divided into three sections in vernacular language usage.

In this system the term lower middle class relates to the demographic referred to as working class in most sociological models.

Stations are paid for the possibility that the ads may be seen, and there are sociological models used to take into account the various reasons why an ad may not be seen.

The sociological models described so far needed to be recast.

Equally significant is the fact that cult mind control as a sociological model has been utterly discredited.

Such ideas we take to form the basis for an adequate sociological model, alongside which we seek to propose our inside account.

It was a sociological model established on many worlds, arguably on old Earth itself.

But Madison should not be held out as a sociological model for our society.

In practice, despite the neat logic of standard neoclassical models, these kinds of sociological models do impinge upon very many economic relations, though in different ways and to different degrees.

Akerlof (1982) provided the first explicitly sociological model leading to the efficiency wage hypothesis.