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551.
552.
共同方法变异是由构念间相似的测量方法特征引起的系统变异, 可歪曲构念间的关系, 造成共同方法偏差。60年来, 这一问题在社会科学研究中被反复提及, 但它是否严重威胁研究效度尚无定论。虽然实证证据表明, 共同方法变异普遍存在, 数据来源、测量时间、问卷设计等因素可导致共同方法偏差, 使自我报告的横断式调查研究饱受质疑, 但部分学者从测量误差和非共同方法变异的制约作用等角度做出了回应和辩护, 认为无需过度担忧。以测量为中心的新视角强调共同方法变异是测量方法和被测构念交互作用的产物, 应从方法和构念两个维度评估共同方法变异风险。建议研究者树立均衡无偏的态度, 接纳共同方法变异的存在, 纠正对自我报告的偏见, 着重通过改进研究设计做好预先应对。 相似文献
553.
为了探讨英语多媒体学习中言语关联手势对认知负荷及学习成绩的影响,采用2×2被试间实验设计。结果发现:该手势对认知负荷影响的主效应不显著,但与英语语言技能水平之间存在交互作用,当学生语言技能水平低时,手势增加了认知负荷,反之,则降低认知负荷;该手势对句子转换的成绩没有明显影响,但在学生语言技能高时能提升理解能力的成绩。本研究结果提示,言语关联手势的运用有明显作用,它能提高或降低认知负荷,并对理解能力的成绩产生影响,但其大小和方向依赖于学生英语语言技能水平。 相似文献
554.
Sven Oskarsson Peter Thisted Dinesen Christopher T. Dawes Magnus Johannesson Patrik K. E. Magnusson 《Political psychology》2017,38(3):515-531
One of the clearest results in previous studies on social trust is the robust positive relationship with educational attainment. The most common interpretation is that education has a causal effect on social trust. The theoretical argument and empirical results in this article suggest a different interpretation. We argue that common preadult factors such as cognitive abilities and personality traits rooted in genes and early‐life family environment may confound the relationship between educational attainment and social trust. We provide new evidence on this question by utilizing the quasi‐experiment of twinning. By looking at the relationship between education and social trust within monozygotic (MZ) twin pairs, we are able to avoid potential confounders rooted in genetic factors and common environmental influences because the monozygotic twins share both. The results suggest that when controlling for such familial factors the estimated effects of education on social trust are close to zero and far from reaching statistical significance. Further analyses show that the relationship between education and social trust largely is driven by common genetic factors. 相似文献
555.
通过两个实验探讨多媒体学习中情绪设计对学习者情绪、认知过程和学习结果的影响。实验1将内部情绪设计与外部情绪诱发两种方式结合起来,探讨多媒体学习环境中不同方式诱发的积极情绪对学习的影响。实验2进一步聚焦于内部情绪设计,考察颜色和拟人化这两个特定的情绪设计元素对学习者情绪和学习的影响。结果发现:(1)积极的外部情绪诱发和内部情绪设计可以诱发积极情绪,并促进学习迁移。(2)对学习材料进行内部积极情绪设计可以诱发学习者积极情绪,增强学习者的学习动机,降低学习者感知到的学习材料的难度,并促进学习迁移。其中,彩色设计可以诱发学习者积极情绪,但拟人化只有与彩色结合才能诱发学习者积极情绪;在拟人化条件下,彩色设计可以增强学习者学习动机;彩色设计可降低学习者对学习材料感知到的难度;彩色和拟人化都可以促进学习迁移。 相似文献
556.
ObjectivesRecent qualitative evidence suggests that two optimal psychological states (flow and clutch) underlie excellent performance in sport. That research further suggests that the type of goal pursued influences which state is experienced. This study aimed to examine the effects of goal types (i.e., open, specific, and do-your-best goals) on flow and clutch states during performance in a cognitive task, which was developed and has been used in sport. Secondary aims were to investigate the effects of goal types on objective and subjective performance, confidence, and perceived challenge.DesignThis study employed a repeated measure design (mixed model).MethodParticipants (N = 95; Mage = 24.89, SD = 9.27) were randomised to one of three goal conditions and asked to perform a Letter and Number Identification Task, which was repeated for six attempts.ResultsParticipants prescribed open or do-your-best goals experienced significantly higher levels of flow than those prescribed specific goals, who conversely experienced significantly higher levels of clutch states. Participants assigned specific goals performed significantly better than those prescribed open or do-your-best goals. Those assigned open or do-your-best-goals reported greater perceived performance, higher confidence, and feeling more optimally challenged.ConclusionsThese findings provide experimental support for the role of goal types in determining flow and clutch states, and further understanding of the psychological effects of these goal types. Implications are discussed, and recommendations are made for future research into the role of goals in experiencing flow and clutch states in sport and exercise. 相似文献
557.
John W. Grula 《Zygon》2008,43(1):159-180
The Judeo‐Christian, Enlightenment, and postmodernist paradigms have become intellectually and ethically exhausted. They are obviously failing to provide a conceptual framework conducive to eliminating some of humanity's worst scourges, including war and environmental destruction. This raises the issue of a successor, which necessitates a reexamination of first principles, starting with our concept of God. Pantheism, which is differentiated from panentheism, denies the existence of a transcendent, supernatural creator and instead asserts that God and the universe are one and the same. Understood via intuition, modern cosmology, and other natural sciences, it offers an alternative worldview that posits the divine and sacred nature of the universe/creation. By asserting the fallacy of the creator/creation dichotomy and any attempts to anthropomorphize or personalize God, pantheism precludes hubris stemming from erroneous notions of divine favoritism. The links between Judeo‐Christianity and the Enlightenment are traced and a case made that the latter has resulted in the equally erroneous and hubristic notion of human ascendancy to a Godlike status, with the concept of progress providing a secular version of the Christian belief in salvation. By reestablishing the natural sciences’metanarrative, even as it asserts the divinity of the material universe, pantheism simultaneously demotes postmodernism and reconciles science with religion. Pantheism provides a theological foundation for deep ecology and also stakes out a viable third position in relation to the ongoing dispute between advocates of intelligent design and the scientific establishment. 相似文献
558.
Timothy A. Slocum Sarah E. Pinkelman P. Raymond Joslyn Beverly Nichols 《The Behavior analyst / MABA》2022,45(3):619
Multiple baseline designs—both concurrent and nonconcurrent—are the predominant experimental design in modern applied behavior analytic research and are increasingly employed in other disciplines. In the past, there was significant controversy regarding the relative rigor of concurrent and nonconcurrent multiple baseline designs. The consensus in recent textbooks and methodological papers is that nonconcurrent designs are less rigorous than concurrent designs because of their presumed limited ability to address the threat of coincidental events (i.e., history). This skepticism of nonconcurrent designs stems from an emphasis on the importance of across-tier comparisons and relatively low importance placed on replicated within-tier comparisons for addressing threats to internal validity and establishing experimental control. In this article, we argue that the primary reliance on across-tier comparisons and the resulting deprecation of nonconcurrent designs are not well-justified. In this article, we first define multiple baseline designs, describe common threats to internal validity, and delineate the two bases for controlling these threats. Second, we briefly summarize historical methodological writing and current textbook treatment of these designs. Third, we explore how concurrent and nonconcurrent multiple baselines address each of the main threats to internal validity. Finally, we make recommendations for more rigorous use, reporting, and evaluation of multiple baseline designs. 相似文献
559.
基于“平台即服务”框架的“伦理即服务”(ethics as a service, EaaS)概念旨在解决抽象道德准则与人工智能实践间的转化鸿沟。当前护理机器人的伦理设计存在伦理服务者定位模糊、伦理设计简单化、伦理设计智能化误区与伦理场景单一化困境等不足。将EaaS框架运用到当前护理机器人的伦理设计活动中,有助于构建多方协调的伦理服务体系,实现多抽象层次的伦理设计审查,构建模块化的伦理情境,开展自发性的伦理定制服务。服务化和过程化的EaaS伦理设计,有助于实现伦理原则与具体应用之间的协调与统一,但也会对服务过程中的责任划分与隐私保提出更高要求。
相似文献560.