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排序方式: 共有256条查询结果,搜索用时 15 毫秒
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Suyun Li Qiang Wang Lulu Pan Xiaorong Yang Huijie Li Fan Jiang 《Psychology, health & medicine》2017,22(8):955-960
This study aimed to examine whether dopamine (DA) pathway gene variation were associated with smoking cessation, and compare the relative importance of infulence factors on smoking cessation. Participants were recruited from 17 villages of Shandong Province, China. Twenty-five single nucleotide polymorphisms in 8 DA pathway genes were genotyped. Weighted gene score of each gene was used to analyze the whole gene effect. Logistic regression was used to calculate odds ratios (OR) of the total gene score for smoking cessation. Dominance analysis was employed to compare the relative importance of individual, heaviness of smoking, psychological and genetic factors on smoking cessation. 415 successful spontaneous smoking quitters served as the cases, and 404 unsuccessful quitters served as the controls. A significant negative association of total DA pathway gene score and smoking cessation was observed (p < 0.001, OR: 0.25, 95% CI 0.16–0.38). Dominance analysis showed that the most important predictor for smoking cessation was heaviness of smoking score (42%), following by individual (40%), genetic (10%) and psychological score (8%). In conclusion, although the DA pathway gene variation was significantly associated with successful smoking cessation, heaviness of smoking and individual factors had bigger effect than genetic factors on smoking cessation. 相似文献
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Growth curve models are widely used for investigating growth and change phenomena. Many studies in social and behavioral sciences have demonstrated that data without any outlying observation are rather an exception, especially for data collected longitudinally. Ignoring the existence of outlying observations may lead to inaccurate or even incorrect statistical inferences. Therefore, it is crucial to identify outlying observations in growth curve modeling. This study comparatively evaluates six methods in outlying observation diagnostics through a Monte Carlo simulation study on a linear growth curve model, by varying factors of sample size, number of measurement occasions, as well as proportion, geometry, and type of outlying observations. It is suggested that the greatest chance of success in detecting outlying observations comes from use of multiple methods, comparing their results and making a decision based on research purposes. A real data analysis example is also provided to illustrate the application of the six outlying observation diagnostic methods. 相似文献
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Past research has demonstrated differential recognition of emotion on faces of different races. This paper reports the first study to explore differential emotion attribution to neutral faces of different races. Chinese and Caucasian adults viewed a series of Chinese and Caucasian neutral faces and judged their outward facial expression: neutral, positive, or negative. The results showed that both Chinese and Caucasian viewers perceived more Chinese faces than Caucasian faces as neutral. Nevertheless, Chinese viewers attributed positive emotion to Caucasian faces more than to Chinese faces, whereas Caucasian viewers attributed negative emotion to Caucasian faces more than to Chinese faces. Moreover, Chinese viewers attributed negative and neutral emotion to the faces of both races without significant difference in frequency, whereas Caucasian viewers mostly attributed neutral emotion to the faces. These differences between Chinese and Caucasian viewers may be due to differential visual experience, culture, racial stereotype, or expectation of the experiment. We also used eye tracking among the Chinese participants to explore the relationship between face-processing strategy and emotion attribution to neutral faces. The results showed that the interaction between emotion attribution and face race was significant on face-processing strategy, such as fixation proportion on eyes and saccade amplitude. Additionally, pupil size during processing Caucasian faces was larger than during processing Chinese faces. 相似文献
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Recent studies indicate that expertise with objects can interfere with face processing. Although competition occurs between faces and objects of expertise, it remains unclear whether this reflects an expertise-specific bottleneck or the fact that objects of expertise grab attention and thereby consume more central resources. We investigated the perceptual costs of expertise by measuring visual thresholds for identifying targets embedded within RSVP sequences presented at varying temporal rates. Car experts and novices searched for face targets among face and car distractors, or watch targets among watch and car distractors. Remarkably, car experts were slower than novices at identifying faces among task-irrelevant cars, yet faster than novices at identifying watches among cars. This suggests that car expertise leads to greater functional overlap between cars and faces while reducing the functional overlap between cars and objects, a result incompatible with the notion of an encapsulated module for exclusive processing of faces. 相似文献
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Two studies examined whether appraisals can be differentially affected by subliminal anger and sadness primes. Participants from Singapore (Experiment 1) and China (Experiment 2) were exposed to either subliminal angry faces or subliminal sad faces. Supporting appraisal theories of emotions, participants exposed to subliminal angry faces were more likely to appraise negative events as caused by other people and those exposed to subliminal sad faces were more likely to appraise the same events as caused by situational factors. The results provide the first evidence for subliminal emotion-specific cognitive effects. They show that cognitive functions such as appraisals can be affected by subliminal emotional stimuli of the same valence. 相似文献
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目的:探讨初中生的心理健康与父母依恋、同伴依恋的关系。方法:以心理健康诊断测验(MHT)、父母和同伴依恋问卷(IPPA)对598名初中生进行测试。结果:MHT总分与父亲疏远、母亲疏远、同伴疏远呈正相关,与父亲信任、母亲信任、同伴信任、父亲交流、母亲交流、同伴交流呈负相关;同伴疏远、父亲疏远对MHT总分有正向预测作用,母亲信任、父亲信任对MHT总分有负向预测作用。结论:初中生的心理健康与父母依恋、同伴依恋有一定的关系。 相似文献
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科学实践哲学发展述评 总被引:1,自引:0,他引:1
一科学实践哲学兴起的研究背景及其重要意义 当代哲学对实践的关注已是不争的事实.在海德格尔和维特根斯坦那里,实践概念具有重要意义.但以往科学哲学,如逻辑主义科学哲学将理论理性和实践理性截然分开,认为对理论理生的逻辑分析是理解科学理性的惟一途径,并把实践理性归入伦理学、社会学、心理学等其他学科.后来历史主义科学哲学家在否定逻辑主义方向的前提下,未能将理论理性和实践理性重新整合,从而对科学理生不可避免地采取了怀疑主义态度,使得传统科学哲学研究日渐衰落. 相似文献