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901.
The purpose of this study was to investigate the differences of knee concentric and eccentric strength and impact related knee biomechanics between jumpers and non-jumpers during step-off landing tasks. Ten male college swimming athletes (non-jumpers) and 10 track and volleyball athletes (jumpers) were recruited to participate in two test sessions: a muscle strength testing session of concentric and eccentric extension for dominant knee joint at 60 °/s and 180 °/s and a landing testing session. The participants performed five trials of step-off landing in each of four conditions: soft and stiff landing from 0.4 m and 0.6 m landing heights. The three-dimensional kinematics and ground reaction force were recorded simultaneously during step-off landing conditions. The results showed that the jumpers had significantly greater peak knee eccentric extension and concentric flexion torques compared to the non-jumpers. No significant group effects were found for peak vertical ground reaction force and knee range of motion during landing. The jumpers had significantly greater knee contact flexion angle, maximum knee flexion angle and initial knee extension moment compared to the non-jumpers. These results suggest that these athletes adopted a favorable impact attenuation strategy that is related to the greater knee eccentric muscle strength and training. 相似文献
902.
The current study aimed to analyze the importance of trait emotional intelligence in life satisfaction and to extend the previous literature by investigating the potential mediating effects of resilience and affect balance in this relationship. To test the study hypotheses, self-report measures of trait emotional intelligence, resilience, positive and negative affect, and life satisfaction were administrated to 263 undergraduates. Correlation analysis indicated that trait emotional intelligence was positively correlated with life satisfaction. Mediational analyses showed that trait emotional intelligence exerted its indirect effect on life satisfaction through the simple mediating effect of affect balance and the three-path mediating effect of resilience–affect balance. In addition, resilience played as a partial mediator between trait emotional intelligence and affect balance. Furthermore, multi-group analyses showed that the mediational model was not moderated by gender. Therefore, this study makes a contribution to the complex nature of the association between trait emotional intelligence and subjective well-being. 相似文献
903.
Luke Clark Rui Liu Rebecca McKavanagh Alice Garrett Barnaby D. Dunn Michael R. F. Aitken 《决策行为杂志》2013,26(5):442-450
Gambling near‐misses are non‐rewarded events that resemble a winning configuration. Past research using slot machines has shown that moderate rates of near‐misses increase gambling persistence, but the mechanisms supporting this persistence are unclear. One hypothesis is that near‐misses are mistakenly interpreted as signals of skill acquisition, supporting learning and fuelling the ‘illusion of control’. A slot machine simulation was administered to 60 volunteers, with ratings of the perceived chances of winning, pleasure and motivation to play following particular outcomes. Psychophysiological measures (electrodermal activity and heart rate) were taken, and gambling persistence was measured after 30 trials. Near‐misses were similar to full‐miss outcomes in that they were regarded as unpleasant. However, near‐misses were akin to win outcomes in that they increased motivations to play and electrodermal activity. Learning was evidenced by the expectancy of winning increasing following wins and decreasing after losses. Although there was no overall change in expectancy of winning after near‐misses across all participants, those subjects reporting a greater increase in the expectancy of winning following a near‐miss showed more persistent play, consistent with the learning hypothesis. Greater heart rate acceleration following near‐misses was also associated with persistence. We also observed differential effects of near‐misses where the reel stopped either side of the winning position (‘payline’): motivational effects were restricted to near‐misses stopping before the payline, whereas near‐misses that stopped after the payline were primarily aversive. The payline effects are not predicted by the learning hypothesis and may indicate an affective component to near‐misses, possibly linked to counterfactual processing. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
904.
At times, an individual in modernity can feel dehumanised by work, by administration, by technology, and by political power. This experience of being dehumanised can take the individual to an existential awareness of the priority of existence over essence. But what does this existential experience mean? Are there ways in which this experience can reconnect the individual to her being human, or to her being part of humanity? Any such reconnection is further complicated by the suspicion that universal presuppositions concerning ‘humanity’ or ‘human being’ or ‘humanism’ carry pretensions of imperialist grandeur that must be challenged. How, then, might one proceed to connect existential vertigo with a culture of humanism that, while resisting such pretensions, nevertheless can find meaning for the dehumanised individual? In what follows I argue that a concept of modern metaphysics, with an aporetic (Hegelian) logic of subjective experience, can carry this reconnection of the I and the We, offering meaning not in the resolution of their opposition, but in learning that the meaning of their opposition, and the meaning of humanity, is learning, is our education. I argue that it is only within modern educational metaphysics that humanity and the individual Know Thyself. 相似文献
905.
906.
Hansj?rg Hohr 《Studies in Philosophy and Education》2013,32(1):25-38
The concept of experience by John Dewey revisited: conceiving, feeling and ??enliving??. Dewey takes a few steps towards a differentiation of the concept of experience, such as the distinction between primary and secondary experience, or between ordinary (partial, raw, primitive) experience and complete, aesthetic experience. However, he does not provide a systematic elaboration of these distinctions. In the present text, a differentiation of Dewey??s concept of experience is proposed in terms of feeling, ??enliving?? (a neologism proposed in this paper) and conceiving. Feeling refers to the basic mode of experience where action, emotion, cognition and communication constitute an original unity. Enliving, aesthetic experience, constitutes the lifeworld, as a person-in-world experience. Even though enliving is holistic and relational, a certain distance emerges between action, emotion and cognition which allows contemplation and choice. Conceiving, on the other hand, refers to the isolating and abstracting understanding of the world with even greater distance between action, emotion and cognition. Such a differentiation provides a clearer understanding of the scope of education. It avoids the risks of regressive tendencies in the concept of experience, and it helps to include conceiving within the realm of experience. 相似文献
907.
908.
The present study aims to explore the influence of emotional context on word evaluation. Participants were asked to read an “adjective + noun” phrase, where the adjective could be a positive or negative word, and the noun could be a positive, neutral or negative word, and then to make an emotional evaluation on the emotional tone of the target noun based on a 9-point Likert scale. In a control condition, an isolated noun was presented with no context. Results showed that positive context made the evaluation of target words bias toward positive tone, while negative context shaped the evaluation of target words toward negative tone. The modulatory effect of negative context was greater than that of positive context in shaping evaluation of emotional words with opposite valence. Moreover, the modulatory effect of emotional context was constrained by the inherent meaning of target word. The present study demonstrated the flexibility as well as the relative stability of emotional meaning of word. 相似文献
909.
Sandra S. Liu Lucette B. Comer Alan J. Dubinsky 《Journal of Personal Selling & Sales Management》2013,33(4):303-311
The present study promulgates a research stream in the area of understanding women's position in the management of the Chinese sales force. The study investigates attitudes toward women as sales managers held by Chinese salespeople. Male salespeople consistently rated the female sales managers lower than did female salespeople on three sets of attitude items. This finding indicates the presence of male resistance to women in sales management positions. 相似文献
910.
Gail A. Wasserman Pam Factor-Litvak Xinhua Liu Andrew C. Todd Jennie K. Kline Vesna Slavkovich 《Child neuropsychology》2013,19(1):22-34
We report associations between serial measures of blood lead and intelligence in children age 10–12 years, half heavily exposed to lead from the prenatal period onward, and half relatively unexposed. For a subsample, we examine bone lead-IQ associations, comparing them with blood lead associations. Both blood and bone lead levels were associated with intelligence decrements, small relative to the contribution of social factors. For each doubling of Tib-Pb, Full Scale, Performance, and Verbal IQ decreased by an estimated 5.5, 6.2, and 4.1 points, respectively. Bone lead-IQ associations were stronger than those for blood lead, which nonetheless provide robust analogues. Current BPb, easy to obtain, provides a useful means for assessing Pb exposure/IQ associations. 相似文献