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91.
Kerem Ozkan 《Visual cognition》2013,21(2):229-254
The projected height of an object in a scene relative to a ground surface influences its perceived size and distance, but the effect of height should change when the object is moved above the horizon. In four experiments, observers judged relative size or relative distance for pairs of objects varying in height with respect to the horizon. Higher objects equal in projected size were judged larger below the horizon, but the relative size effect was reversed either when one object was on the horizon and one was above the horizon or when both objects were above the horizon. With the real horizon not explicitly present in the display, relative size judgements were affected both by the boundary of the visible surface and the vanishing point implied by the converging lines. For relative distance judgements, the higher object was judged more distant regardless of the height of the objects relative to the perceptual horizon, resulting in a reversal of the relation between size and distance judgements for objects above the horizon. 相似文献
92.
Building on theoretical frameworks like the Job Demands Control model and Action Theory we tested whether the relationship between workload and employees' experiences of opportunities for workplace learning is of an inverted u-shaped nature and whether autonomy moderates this relationship. We predicted that – at moderate levels of autonomy – workload was positively associated with learning opportunities at low levels of workload, but negatively at high levels of workload. Also, we predicted that low autonomy prevents positive effects of moderate workload from materializing whereas high autonomy makes high workload less destructive to the learning process. Furthermore, we examined whether learning opportunities increase particularly as a function of higher matched levels of workload and autonomy and whether mismatch between workload and autonomy is particularly detrimental to the learning process. We found support for these ideas in two large and heterogeneous samples of working adults using moderated and polynomial regression analyses and subsequent response surface methodology. These results integrate conflicting prior findings and extend Karasek's (1979) active learning hypothesis. They also have clear implications for job redesign practices aiming to promote workplace learning opportunities. 相似文献
93.
Why go the extra mile? A longitudinal study on sojourn goals and their impact on sojourners' adaptation 下载免费PDF全文
Julia Zimmermann Kristina Schubert Martin Bruder Birk Hagemeyer 《International journal of psychology》2017,52(6):425-435
Although international student mobility has become a ubiquitous phenomenon in many parts of the world, the goals that student sojourners pursue when moving abroad have received little systematic attention in psychological research. Likewise, their effects on psychological outcomes such as sojourners' psychological and sociocultural adaptation abroad have not yet been examined. Hence, the purpose of the present research was twofold: First, we established the parsimonious Sojourn Goals Scale and confirmed its psychometric quality and construct validity. Second, we used a longitudinal sample of student sojourners to investigate the role of sojourn goals for sojourners' sociocultural (i.e., sojourners' social relationships) and psychological (i.e., sojourn satisfaction) adaptation abroad at 3 months into the sojourn. Regression analyses revealed substantial effects of sojourn goals on measures of sociocultural adaptation. Response surface analyses served to examine the interplay of sojourn goals and respective sojourn experiences on sojourn satisfaction. We discuss implications for both psychological and applied research and identify future research needs. 相似文献
94.
基于规则适应及资源依赖理论的解释视角,本研究考察了下属工作绩效与政治技能对上级辱虐的影响。通过对采集自两家企业的243对领导-下属的配对问卷进行分析,本研究的多项式回归与响应面分析表明,当下属的工作绩效(遵循做事显规则)与政治技能(遵循做人潜规则)在较高水平上保持一致时,其遭受的上级辱虐最少。但这种较高水平的一致只能维持在特定范围内,当两者过高时,反而易遭致上级的辱虐行为。同时,在工作绩效与政治技能存在差异的情境下,相比于"高工作绩效,低政治技能"的下属,"低工作绩效,高政治技能"的下属遭受的上级辱虐要更少。文章分析并证明了遵循不同规则的下属会导致不同程度的上级辱虐。 相似文献
95.
M. Munawar Chaudhri 《Philosophical Magazine Letters》2017,97(9):343-349
A new schematic diagram is presented which shows the displacement paths of surface particles within the contact circle when a rigid cone is loaded normally on an elastic half-space. With the help of this diagram and the information available in the literature, it is argued here that a modification made to the Love equation in 1999 is unnecessary and incorrect. It is also shown that the modification results in an incorrect expression for the surface radial displacement outside the contact circle. Therefore, it is suggested that the modification be dropped forthwith. 相似文献
96.
M. Vere van Koppen Henk Elffers Stijn Ruiter 《Journal of Investigative Psychology & Offender Profiling》2011,8(3):242-256
Likelihood surface methods for geographic offender profiling rely on several assumptions regarding the underlying location choice mechanism of an offender. We propose an ex ante test for checking whether a given set of crime locations is compatible with two necessary assumptions: circular symmetry and distance decay. The proposed (SDD) test compares the observed inter point distances of a given series of crimes with a theoretical distribution function governed by these assumptions, using a Monte Carlo simulation procedure for approximating that distribution function. We apply the SDD test to data on serial burglary from both the UK and the Netherlands. In most cases, the assumption of an underlying symmetric distance decay function has to be rejected. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献
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运用科学认识的规律和模式,进行骨折移位问题科学认识的具体分析,以理解骨折移位问题的新的理论知识及应对策略,从而有效地预防骨折再移位。因此,从科学认识的角度,能理解骨科各种新理念和新技术的发展,能消除对骨科治疗方法不断变化的疑问,以解除临床实践中存在的困惑,为患者提供最合适的治疗手段。 相似文献
100.
设计并运用了三种表面特征变异的二重样例和三种结构特征变异的二重样例,对二年级小学生解决算术应用题的迁移效果进行了实验研究。结果表明:一个原样例的学习就能明显促进了二年级小学生解决与原样例表面特征不同而结构特征相同的近迁移问题;学习三种表面特征变异的二重样例后没有产生明显的远迁移效果;而学习了三种结构特征变异的二重样例后产生了不同程度的远迁移效果,其中,规则平行组合二重样例学习的远迁移效果最好,其次是规则变异二重样例学习的远迁移效果,规则镶嵌组合变异二重样例学习的远迁移效果最差 相似文献