Evaluative Research; Principles and Practice in Public Service & Social Action Programs

acceptable achieve action activity administrative American analysis applied approach areas aspects assumptions attempt basic become cause chapter concerned conduct criteria deal definition demonstration dependent desired determine discussed disease effect effort evaluation study evaluative research example existing experi experimental extent fact factors field findings formulation given goals gram Health Programs hypotheses important increasing indices involved Journal knowledge limited major means measure Mental Health method methodological nature nonevaluative objectives observed offers operational organization personnel persons planning population possible practical present principles problem procedures produce Public Health public service question relationship reliability represents require research design sample scientific service programs significant social social action specific standards success techniques tion ultimate usually validity variable York