In this work,a hybrid meta-model based design space differentiation（HMDSD）method is proposed for practical problems.In the proposed method,an iteratively reduced promising region is constructed using the expensive p...In this work,a hybrid meta-model based design space differentiation（HMDSD）method is proposed for practical problems.In the proposed method,an iteratively reduced promising region is constructed using the expensive points,with two different search strategies respectively applied inside and outside the promising region.Besides,the hybrid meta-model strategy applied in the search process makes it possible to solve the complex practical problems.Tested upon a serial of benchmark math functions,the HMDSD method shows great efficiency and search accuracy.On top of that,a practical lightweight design demonstrates its superior performance.展开更多
目的探讨中国留守儿童行为问题状况,为留守儿童的心理干预及心理健康教育提供参考。方法计算机检索CNKI、万方、维普、Cochrane Library及PubMed,收集公开发表的关于我国留守儿童行为问题的病例对照研究,由两位研究者独立进行文献筛选...目的探讨中国留守儿童行为问题状况,为留守儿童的心理干预及心理健康教育提供参考。方法计算机检索CNKI、万方、维普、Cochrane Library及PubMed,收集公开发表的关于我国留守儿童行为问题的病例对照研究,由两位研究者独立进行文献筛选、资料提取和方法学质量评价后,采用Rev Man 5.3软件进行数据分析。结果共纳入病例对照研究9篇,NOS文献质量评价7~9分,均为高质量文献。Achenbach儿童行为量表(CBCL)荟萃分析:6~11岁男童体诉因子得分留守组高于非留守组(MD=0.99,95%CI:0.20~1.77,P=0.01);6~11岁女童分裂强迫因子得分留守组高于非留守组(MD=1.52,95%CI:1.44~1.60,P<0.01)。儿童长处与困难问卷(SDQ)荟萃分析:留守组的情绪症状、品行问题、多动/注意不能、同伴交往及困难总分得分均高于非留守组(P均<0.01),而亲社会行为得分低于非留守组(P<0.01)。Rutter儿童行为问卷(Rutter)荟萃分析:留守组行为问题的发生率高于非留守组(OR=3.94,95%CI:2.30~8.43,P<0.01)。结论留守可增加儿童行为问题的发生;留守可能是通过影响儿童的情绪、行为方式及人格特征,从而导致留守儿童行为问题的发生,且留守对低龄儿童的影响可能更大。展开更多
基金Project supported by the Plan for the growth of young teachers,the National Natural Science Foundation of China(No.51505138)the National 973 Program of China(No.2010CB328005)+1 种基金Outstanding Youth Foundation of NSFC(No.50625519)Program for Changjiang Scholars
文摘In this work,a hybrid meta-model based design space differentiation（HMDSD）method is proposed for practical problems.In the proposed method,an iteratively reduced promising region is constructed using the expensive points,with two different search strategies respectively applied inside and outside the promising region.Besides,the hybrid meta-model strategy applied in the search process makes it possible to solve the complex practical problems.Tested upon a serial of benchmark math functions,the HMDSD method shows great efficiency and search accuracy.On top of that,a practical lightweight design demonstrates its superior performance.
文摘目的探讨中国留守儿童行为问题状况,为留守儿童的心理干预及心理健康教育提供参考。方法计算机检索CNKI、万方、维普、Cochrane Library及PubMed,收集公开发表的关于我国留守儿童行为问题的病例对照研究,由两位研究者独立进行文献筛选、资料提取和方法学质量评价后,采用Rev Man 5.3软件进行数据分析。结果共纳入病例对照研究9篇,NOS文献质量评价7~9分,均为高质量文献。Achenbach儿童行为量表(CBCL)荟萃分析:6~11岁男童体诉因子得分留守组高于非留守组(MD=0.99,95%CI:0.20~1.77,P=0.01);6~11岁女童分裂强迫因子得分留守组高于非留守组(MD=1.52,95%CI:1.44~1.60,P<0.01)。儿童长处与困难问卷(SDQ)荟萃分析:留守组的情绪症状、品行问题、多动/注意不能、同伴交往及困难总分得分均高于非留守组(P均<0.01),而亲社会行为得分低于非留守组(P<0.01)。Rutter儿童行为问卷(Rutter)荟萃分析:留守组行为问题的发生率高于非留守组(OR=3.94,95%CI:2.30~8.43,P<0.01)。结论留守可增加儿童行为问题的发生;留守可能是通过影响儿童的情绪、行为方式及人格特征,从而导致留守儿童行为问题的发生,且留守对低龄儿童的影响可能更大。
