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公務人員年金改革知多少, 台北市. 11,908 likes · 271 talking about this · 14 were here. 在一片年金改革的聲浪中,你對公務人員年金改革知多少!在這裡可以讓你正確快速了解政府推動公務人員年金改革的各項措施,以及提供你與大家及時互動溝通的平台!快來加入我們吧!
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PDIS OBSERVATION & ACTION REPORT '16'17
PDIS OBSERVATION & ACTION REPORT '16'17
A wicked problem is a problem that is difficult or impossible to solve because of incomplete, contradictory, and changing requirements that are often difficult to recognize. The use of the term "wicked" here has come to denote resistance to resolution, rather than evil. Another definition is "a problem whose social complexity means that it has no determinable stopping point". Moreover, because of complex interdependencies, the effort to solve one aspect of a wicked problem may reveal or create other problems. The phrase was originally used in social planning. Its modern sense was introduced in 1967 by C. West Churchman in a guest editorial he wrote in the journal Management Science, responding to a previous use of the term by Horst Rittel. Churchman discussed the moral responsibility of operations research "to inform the manager in what respect our 'solutions' have failed to tame his wicked problems". Rittel and Melvin M. Webber formally described the concept of wicked problems in a 1973 treatise, contrasting "wicked" problems with relatively "tame", soluble problems in mathematics, chess, or puzzle solving.
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