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31.
Hongwen Guo 《Psychometrika》2010,75(3):438-453
After many equatings have been conducted in a testing program, equating errors can accumulate to a degree that is not negligible
compared to the standard error of measurement. In this paper, the author investigates the asymptotic accumulative standard
error of equating (ASEE) for linear equating methods, including chained linear, Tucker, and Levine, under the nonequivalent
groups with anchor test (NEAT) design. A recursive formula for the ASEE is provided for a series of equatings that makes use
of only historical summary statistics. This formula can serve as a new tool to measure the magnitude of equating errors that
have accumulated over a series of equatings, and to help monitor and design testing programs. 相似文献
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时间和人格都是心理学领域极为重要的研究内容。时间无处不在,它不仅是基本心理过程的存在方式,而且也是人格特征的存在方式。时间与人格心理的研究是现代心理学研究的重要领域之一。《时间与人格心理学探索》一书,向我们详尽地展现了时间和人格心理学的研究成果。综观全书,主要凸显四个方面特点:一、研究取向上强调中国化;二、研究过程上体现长期性;三、研究方法上注重多样性;四、研究成果上凸显创新性。 相似文献
34.
“多少”概念发展的研究 总被引:1,自引:0,他引:1
采用数量判定任务,分别用2~30和5~100范围内点子图为刺激,研究个体“多”和“少”概念的发展。结果发现:在5~100点子条件下,随年龄的增长,个体“多”概念的判断值、“少”概念的判断值、“多”“少”概念的临界值均显著增大;7~9岁是个体“多少”概念发展的转折期;个体对“多少”概念的认知具有相对性;在本实验的两种条件下,随年龄增长,个体“多”概念的判断值、“少”概念的判断值、“多”“少”概念的临界值逐渐趋于刺激点子数最大值的2/3、1/3、1/2,“多”概念与“少”概念判断的不确定距离逐渐趋于刺激点子数最大变化范围的1/3或略小于1/3。 相似文献
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Yu Tian Zong Xin Guo Jie Ru Shi Yu Long Bian Pi Guo Han 《The Journal of psychology》2013,147(8):529-547
AbstractThis 1-year longitudinal study examined the bidirectional mediating role of loneliness in the association between shyness and generalized pathological Internet use (GPIU) in a sample of 291 Chinese university students (143 men, mean age =?19.07?years). A fully cross-lagged panel design was used in which shyness, loneliness, and GPIU were assessed at 3 time points separated by 6-month intervals (named T1, T2, and T3). The results indicated that relationships among shyness, loneliness, and GPIU were dynamic and bidirectional. Specifically, T1 shyness positively predicted increased T2 loneliness, T2 shyness positively predicted increased T3 loneliness, and T2 loneliness positively predicted increased T3 shyness. Additionally, T1 GPIU positively predicted increased T2 loneliness, T2 GPIU positively predicted increased T3 loneliness, and T2 loneliness positively predicted increased T3 GPIU. Loneliness was found to play a bidirectional mediating role in the association between shyness and GPIU. Specifically, T1 shyness and T3 GPIU were mediated through increased loneliness at T2, and T1 GPIU and T3 shyness were mediated through increased loneliness at T2. Furthermore, relationships among shyness, loneliness, and GPIU were the same across the 2 groups, with the strength of relationships being stronger for men. 相似文献
37.
Xiuyan Guo Li Zheng Hongyi Wang Lei Zhu Jianqi Li Qianfeng Wang Zoltan Dienes Zhiliang Yang 《Brain and cognition》2013
Past researches showed that empathy for pain not only triggers a resonance mechanism between other and self, but also is modulated by contextual factors. Using functional magnetic resonance imaging, the present study demonstrated that short-term media violence exposure reduced both pain ratings and also the activation of anterior insula and anterior mid-cingulate cortex to other’s pain. Thus, violence exposure modulated empathic responses to other’s pain based on a physiological desensitization. 相似文献
38.
K. Saito T. Sasaki S. Sugawara J.Q. Guo A.P. Tsai 《Philosophical Magazine Letters》2013,93(5):307-315
Faceted micropits obtained by electrochemical etching of a single quasicrystal of an Al-Pd-Mn icosahedral phase have been examined by optical and electron microscopy. Anodic etching of the flat surface of a fivefold plane in a solution composed of CH3OH and HNO3(3:1 in volume ratio) reveals a variety of icosahedrally faceted micropits which originated from pre-existing microvoids and etch pits of pentagonal pyramid shape due to the other origins, probably structural defects inside the specimen. As the dissolution progresses, the micropits make successive changes in their shapes, ending in pentagonal pyramids before they vanish. 相似文献
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当前大多数融合反应时的IRT模型仅适用于0-1评分数据资料,极大的限制了IRT反应时模型在实际中的应用。本文在传统的二级计分反应时IRT模型基础上,拟开发一种多级评分反应时模型。在层次建模框架下,分别采用拓广分部评分模型(GPCM)和对数正态模型构建融合反应时的多级评分IRT模型(本文记为JRT-GPCM),并采用全息贝叶斯MCMC算法实现新模型的参数估计。为验证新开发的JRT-GPCM模型的可行性及其在实践中的应用,本文开展了两项研究:研究1为模拟实验研究,研究2为新模型在大五人格-神经质分量表中的应用。研究1结果表明,JRT-GPCM模型的估计精度较高,且具有较好的稳健性。研究2表明,被试的潜在特质与作答速度具有一定的正相关,且本研究结果支持Ferrando和Lorenzo-Seva(2007)提出的“距离-困难度假设”,即当被试的潜在特质与项目的难度阈限距离越远,那么被试会花费更多的时间对项目进行作答。总之,本研究为拓展反应时信息在心理测量及教育中的应用提供新的方法支持。 相似文献