The decision-making component of the process is supported by mechanisms to provide for continuous adjustment of planning and adaptation to an evolving environment. These include a) formally organized input from clients, b) "feedback" in the form of goal-attainment indicators or quantitative/qualitative measures of social and industrial changes and of program impact, and c) policy research or analysis directed to minimization of the intuitive element in decision making.Planning is conceived to be an integrated process combining a) definition of goals and establishment of priorities or policy objectives, essentially a political activity, b) selection of policies or strategies for the achievement of indicated objectives and the establishment of guidelines for programming, based on interaction between political leadership and expert advisers, and c) selection of programs and project design, i.e. tactical or operational planning, a specialist activity.