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91.
92.
快速脱离假说和信号抑制假说都是将传统的自下而上捕获和自上而下控制结合起来的混合模式假说。快速脱离假说认为突显干扰物总能在第一时间自下而上地捕获注意, 当突显干扰物与任务要求不符时, 注意会迅速脱离该位置。信号抑制假说认为突显干扰物都会产生“注意我”的信号, 当突显干扰物与任务要求不符时, 该信号会被自上而下地抑制以阻止注意捕获发生。前者相关的研究多采用空间线索提示范式和眼动脱离范式, 实验中被试采取独子探测策略, 而后者相关的研究多采用额外单例范式的变式, 实验中被试采取特征探测策略。未来研究应采用不同的刺激类型和实验方法进一步为两个假说提供证据支持, 同时要关注奖赏、训练等因素对“捕获-脱离”和“信号-抑制”的影响。 相似文献
93.
Recently, cross-cultural facial-expression recognition has become a research hotspot, and a standardised facial-expression material system can significantly help researchers compare and demonstrate the results of other studies. We developed a facial-expression database of Chinese Han, Hui and Tibetan ethnicities. In this study, six basic human facial expressions (and one neutral expression) were collected from 200 Han, 220 Hui and 210 Tibetan participants who lived in these regions. Four experts on each ethnicity evaluated the facial-expression images according to the expressions, and only those achieving inter-rater agreement were retained. Subsequently, 240 raters evaluated these images according to the seven emotions and rated the intensity of the expressions. Consequently, 2980 images were included in the database, including 930 images of Han individuals, 962 images of Hui individuals and 1088 images of Tibetan individuals. In conclusion, the facial-expression database of Chinese Han, Hui and Tibetan people was representative and reliable with a recognition rate of over 60%, making it well-suited for cross-cultural research on emotions. 相似文献
94.
We conducted two experimental studies with between-subjects and within-subjects designs to investigate the item response process for personality measures administered in high- versus low-stakes situations. Apart from assessing measurement validity of the item response process, we examined predictive validity; that is, whether or not different response models entail differential selection outcomes. We found that ideal point response models fit slightly better than dominance response models across high- versus low-stakes situations in both studies. Additionally, fitting ideal point models to the data led to fewer items displaying differential item functioning compared to fitting dominance models. We also identified several items that functioned as intermediate items in both the faking and honest conditions when ideal point models were fitted, suggesting that ideal point model is “theoretically” more suitable across these contexts for personality inventories. However, the use of different response models (dominance vs. ideal point) did not have any substantial impact on the validity of personality measures in high-stakes situations, or the effectiveness of selection decisions such as mean performance or percent of fakers selected. These findings are significant in that although prior research supports the importance and use of ideal point models for measuring personality, we find that in the case of personality faking, though ideal point models seem to have slightly better measurement validity, the use of dominance models may be adequate with no loss to predictive validity. 相似文献
95.
96.
The development of the understanding of the words and and or was studied. Children in the age interval 2:0–7:6 received two tests of word understanding, varying in the degree to which the context of the test items contributed in determining the meaning of the connectives, and one test of spontaneous usage. The results from the tests of word understanding showed that the context variable facilitated small children's responding, and that most reponses were correct at the age of four and beyond. The results from the production test indicated that and was used to express enummerations and or to express alternatives. The difference between the linguistic and the logical meaning of the connectives was discussed. 相似文献
97.
A mean interstimulus interval (ISI) of 10 sec. resulted in significantly-shorter RTs to a single light stimulus than a 30 sec. average ISI. During a second workperiod the groups performing under each of the two ISI conditions were divided into four subgroups given 0, 25, 50 or 75% interspersion of an additional stimulus (sound). With short ISIs the condition of maximum predictability of event structure (light stimulus only) gave the shortest average RTs. With lessened predictability (increased proportion of the sound stimulus) there was a slight monotonous increase in RT. With long ISIs the same relationship was curvilinear, i.e. 25% interspersion of sound stimulus was most effective in preserving vigilance. 相似文献
98.
This study reexamined the organization of Young’s 18 early maladaptive schemas and their hypothesized associations with experiences of need-thwarting parental experiences in childhood and the “vulnerable child” mode of emotional distress in adulthood. A large Danish sample (N = 1054) of 658 clinical- and 391 nonclinical adults completed measures of early maladaptive schemas, parenting styles, and the vulnerable child mode. We identified four higher-order schema domains as most appropriate in terms of interpretability and empirical indices (“Disconnection & Rejection”, “Impaired Autonomy & Performance”, “Excessive Responsibility & Standards”, and “Impaired Limits”). All four schema domains were differentially associated with conceptually relevant need-thwarting parental experiences. Apart from “Impaired Limits”, the schema domains meaningfully accounted for the association between need-thwarting parental experiences in childhood and emotional states of feeling like a “vulnerable child” in adulthood. We conclude that four domains of early maladaptive schemas are empirically and conceptually consistent with Young’s schema therapy model of personality pathology and longstanding emotional disorders. Findings warrant replication using different populations and if possible a prospective multi-method design. A scoring key for computing the four schema domains is provided. 相似文献
99.
采用政策分析法和比较分析法,梳理典型国家和地区在社区临终关怀服务体系和运行机制方面存在的先进做法,并依据我国国情,围绕项目规划、床位设置、服务对象准入条件、服务标准等方面,分析我国社区临终关怀体系的不足;提出加强政府政策引导、动员社会多主体参与、细化社区临终关怀服务标准、完善配套措施等方面的建议。期望在老龄化背景下,为有效提升我国临终关怀服务能力、推动老年服务体系的完善提供有力的智力支持。 相似文献
100.
Eline Leen Emma Sorbring Matt Mawer Emma Holdsworth Bo Helsing Erica Bowen 《Aggression and violent behavior》2013,18(1):159-174
Adolescent dating violence is a pressing international issue: yet, there have been few attempts to collate the international evidence regarding this phenomenon. This article reviews contemporary evidence from Europe and North America on prevalence, dynamic risk factors, and the efficacy of intervention programs for adolescent dating violence. Prevalence findings suggest that victimization rates are comparable across Europe and North America. Although individual studies report differing prevalences, the overall hierarchy of violence types – in which psychological/emotional violence is most and sexual violence least prevalent – is consistent across almost all investigations. Four dynamic risk factors for perpetration are identified: peer influence, substance use, psychological adjustment and competencies, and attitudes towards violence. Peer influences and attitudes towards violence appear to be the most extensively evidenced factors in the literature. Nine existing intervention programs are identified, all located within North America. Intervention results are mixed, with some evaluations reporting significant long-term benefits while others report positive intervention effects dissipate throughout follow-up. Tentative analysis suggests that programs focused on behavioral change may elicit sustainable effects more readily. However, this is difficult to ascertain with no data on program repetitions and variations across intervention pedagogy and sample. Concerns with existing research and interventions and possible future directions are discussed. 相似文献