Columbia subject headings:
Action research--United States.
Evaluation research (Social action programs)--United States.
Family policy--Research.
United States--Social policy.
Harvard subject headings:
Action research--United States.
Evaluation research (Social action programs)--United States.
Family policy--Research.
United States--Social policy.
Princeton subject headings:
Action research--United States.
Evaluation research (Social action programs)--United States.
Family policy--Research.
Social policy--United States.