Columbia subject headings:
Evaluation research (Social action programs)--United States.
Executive departments--United States--Evaluation.
Federal aid to research--United States.
Policy sciences.
Social sciences--Research--United States.
Harvard subject headings:
Evaluation research (Social action programs)--United States.
Executive departments--United States--Evaluation.
Federal aid to research--United States
Policy sciences.
Social sciences--Research--United States
Princeton subject headings:
Evaluation research (Social action programs)--United States.
Executive departments--United States--Evaluation.
Federal aid to research--United States.
Policy sciences.
Social sciences--Research--United States.