The Evolution of Policy Theme of Science and Technology Evaluation in China
This study aims to analyze the evolution trend of Chinese Science and Technology(S&T)evaluation policy for optimizing Chinese S&T evaluation system.A total of 114 policy documents were included in this paper,and the time span was divided into four stages.The Dynamic Topic Model was used to explore the distribution characteristics of policy topics,and the hellinger similarity index was introduced to analyze the evolution trend of topics.The results show that a total of 9 topics of S&T evaluation policy have been identified.With the improvement of the S&T evaluation system,the policy topics of S&T evaluation become more diversified.The topic intensity of"S&T supervision and performance evaluation"and"S&T governance and research ethics"shows an obvious rising trend.The evolution direction of the policy topic is closely related to the historical background,showing strong continuity and derivative characteristics,and the areas with the increasing intensity of the above topics are expected to become the focus of science and technology evaluation work in the future..
science and technology(S&T)evaluationpolicy analysisdynamic topic modeltopic evolution