Researchers from a wide spectrum of disciplines are needed both to come up with fresh theories and to test them.

Mostly, he said, the demand is from a broad spectrum of American institutions.

But officials from a wide spectrum of cabinet agencies argued that the change would be too disruptive.

Membership diversified, with more women and people from a broader political spectrum becoming involved.

The new bill has won support from a broad spectrum of researchers and health officials.

Both the means by which the Council was established and its structure came under repeated criticism from a broad spectrum during the establishment period.

The coalition's work has won praise from a wide spectrum of people, including President Bush.

"But we wanted to hear from a broad spectrum of participants not normally included in such discussions," she said.

Hillary Clinton has frequently been featured in the media and popular culture from a wide spectrum of perspectives.

But many of the 200 calls the service has received so far have come from a wide spectrum of people.