One bright younger choreographer offering premieres this week is Susan Marshall, a commentator whose sociological and psychological insights come vividly to life on stage.

The Boston Globe said of the films: "Each is a marvel of sociological, as well as musical, insight".

And if it works both ways as a joke, it must not work at all as a sociological insight.

But do teen-agers, even exceptionally bright ones, have the life experience necessary to provide valuable psychological or sociological insights?

Jodocus Crull, M.D., FRS (1660-1713) was a late 17th-century and early 18th-century "miscellaneous writer" on historical subjects, with political and sociological insights.

Hine's survey of American history vis--vis adolescents and his sociological insight are not as well articulated as his polemical ambitions require.

But instead of purveying searing sociological insights, it basks in a mood of barbed, comic nostalgia.

It attempts to provide sociological and psychological insights into White supremacist groups and their members.

A book which beside its main subject contains many rich psychological, sociological and metaphysical insights.

Professor Zhou's other sociological insights have been primarily within the fields of immigrant life and ethnic assimilation, particularly focused on the Asian American community.