such as employment, criminal behavior, or educational attainment.
A job training program, for example, can be analyzed according to how many clients received employment after exposure to the program, if they received employment because of the program, and what the net improvement of their economic condition
is. See also COST –BENEFIT ANALYSIS ; OPERATIONS RESEARCH, ; PROGRAM EVALUATION
The spread of policy analysis has served to encourage public officials to be more systematic in their efforts to ascertain the quality of public policy.
Case studies have shown, however, that policy analysis has often been oversold. It has rarely if ever been responsible for radical change in the quality of policy making.
The principal reason is lack of agreement about what constitutes "good" policy analysis. In the physical and social sciences, scientists share certain values and norms for good research, that is, that it should be generalizable, that it should be based on high-quality data measured precisely,
- MingLam ChoiLv 77 years agoFavorite Answer
主要的原因是因為我們對什麼是一個 “好的公共政策” 沒有共識。在自然和社會科學裡，科學家們知道什麼是一個好的研究，好的研究用的數據一定是高質量，非常準確的，它的結論一定有普遍性，可以應用在別處。