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1.
本文依据马克思主义的唯物史观和唯物辩证法原理,从儿童的实际社会生活过程出发,运用系统方法论证了儿童心理发展的动力是主客体之间的结构性矛盾,而由“主体──活动──客体”三项格式构成的反馈回路系统则是心理发生发展的动力场。本文还运用儿童心理发展的控制论模型,从活动的机能性方面探讨了同化和顺应之间的平衡化动力机制,揭示了主客体之间矛盾运动的原理和过程;平衡化机制是受社会文化历史的发展规律支配的。 相似文献
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In a laboratory simulation, a single-subject design was used to examine the effects of two types of social influence on children's eyewitness testimony, which has not been the subject of systematic behavioral analyses. This study replicates and extends findings from group-comparison studies, and shows that a topic of pressing social importance is amenable to analysis at the individual level, and therefore, potentially, to a behavioral analysis. 相似文献
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Nonparametric tests for testing the validity of polytomous ISOP-models (unidimensional ordinal probabilistic polytomous IRT-models) are presented. Since the ISOP-model is a very general nonparametric unidimensional rating scale model the test statistics apply to a great multitude of latent trait models. A test for the comonotonicity of item sets of two or more items is suggested. Procedures for testing the comonotonicity of two item sets and for item selection are developed. The tests are based on Goodman-Kruskal's gamma index of ordinal association and are generalizations thereof. It is an essential advantage of polytomous ISOP-models within probabilistic IRT-models that the tests of validity of the model can be performed before and without the model being fitted to the data. The new test statistics have the further advantage that no prior order of items or subjects needs to be known. 相似文献
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This study discusses the results of a survey of 1,800 articles published in American medical journals from 1985--1996. The study finds 9% of these articles reported research that uses only male subjects to examine medical conditions that affect both sexes; the ratio of research on female to male conditions among these articles was greater than 5:1; but 76.5% of the articles reported research that includes both male and female subjects. The study also discusses evidence that sex biases against women (and men) are decreasing. This study also offers some possible psychological, institutional, medical, and economic explanations of the sex biases in medical research published in American journals, and discusses some policy implications of sex biases in medical research. The study concludes by urging others to conduct more empirical research on sex biases in medical research. 相似文献
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讨论医院重点专科发展过程的阶段划分及特征,对于我们在重点专科建设中正确地把握方向、恰当地评估成效和有力地予以推进都有十分重大和现实的意义。本文把医院重点专科发展过程分为科室建设、学科建设、科学建设阶段,并从功能目标、效率效益、人才队伍、场地设施、技术设备、技术特色、教学培训、科学研究、文化氛围、能级水平十个方面对各阶段的特征进行归纳描述。三个阶段各具不同内涵特征,又存在相互内在关联,具有方向性、连续性、可加速性、交叉性和包涵性等规律。 相似文献
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Karina Rdz-Navarro 《The Journal of general psychology》2013,140(4):417-442
Use of subject scores as manifest variables to assess the relationship between latent variables produces attenuated estimates. This has been demonstrated for raw scores from classical test theory (CTT) and factor scores derived from factor analysis. Conclusions on scores have not been sufficiently extended to item response theory (IRT) theta estimates, which are still recommended for estimation of relationships between latent variables. This is because IRT estimates appear to have preferable properties compared to CTT, while structural equation modeling (SEM) is often advised as an alternative to scores for estimation of the relationship between latent variables. The present research evaluates the consequences of using subject scores as manifest variables in regression models to test the relationship between latent variables. Raw scores and three methods for obtaining theta estimates were used and compared to latent variable SEM modeling. A Monte Carlo study was designed by manipulating sample size, number of items, type of test, and magnitude of the correlation between latent variables. Results show that, despite the advantage of IRT models in other areas, estimates of the relationship between latent variables are always more accurate when SEM models are used. Recommendations are offered for applied researchers. 相似文献
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《Child & family behavior therapy》2013,35(2):29-51
Outcome literature (1981 to 1988) on behavioral parent training interventions for nonhandicapped children with oppositional behavior is reviewed to assess the extent and effects of father involvement in parent training. Thirteen studies were found that included some father involvement. Weaknesses of these studies include a failure to observe and measure changed in father-child interactions, a lack of emphasis on the impact of the marital relationship, a lack of attention to similarities in parental child management strategies, and a lack of assessment of paternal characteristics. Further research to assess the effects of including fathers on parent training outcomes can improve the efficiency and effectiveness of these interventions. 相似文献