<P> A social class is a set of subjectively defined concepts in the social sciences and political theory centered on models of social stratification in which people are grouped into a set of hierarchical social categories , the most common being the upper , middle and lower classes . </P>
<P> A social class is a set of subjectively defined concepts in the social sciences and political theory centered on models of social stratification in which people are grouped into a set of hierarchical social categories , the most common being the upper , middle and lower classes . </P>
n. the social class between the lower and upper classes
n. the social class between the lower and upper classes
middle
middle