But some scholars said the achievement gap is the product of a complicated interplay of school, family and social influences that can be tricky to untangle.

The complicated interplay between different schemes, including null cycles that have no overall effect, determines the rate of production and destruction of many atmospheric components.

Curtiss works in computational catalysis: using computers to tackle the complicated interplay of physics, chemistry and math that explains how a catalyst operates.

It is hard to imagine anyone but Mr. Cunningham's own dancers executing such complicated interplay of sectional detail.

Some bank officials said that as a practical matter, Mr. Wolfowitz's future may be decided by a complicated interplay of Bush administration and European politics.

Does anyone need a clearer reminder of the complicated interplay between religion and political change in American life?

This paradox would probably have delighted Aleichem, whose writing takes its power from a complicated interplay of irony and inevitability.

It was difficult to capture the complicated interplay of line and muscle at the corners of her mouth.

It is said that the more rights we have, the better, but rights are part and parcel of a complicated interplay of systems.

In practice, results vary because of the complicated interplay between fonts and layout engines.