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151.
The influence of golf club stiffness on driving performance is currently unclear, and it is possible that this ambiguity is due in part to golfer adaptation to equipment. The purpose of the current study was to elucidate mechanisms of adaptation to club stiffness, during the golf swing, by employing tendon vibration to distort proprioceptive feedback. Vibration (~50 Hz, ~1 mm amplitude) was applied to the upper extremities of 24 golfers using DC motors with eccentric weights. Golfers hit golf balls in a laboratory setting using three clubs of varying shaft stiffness, and club kinematics were recorded using high speed (180 Hz) digital cameras. The results demonstrated significant slowing of the club grip during club release for a high-stiffness shaft with vibration. This suggests that, when proprioceptive feedback is available, players adapt to changes in club stiffness by modifying the release dynamics of the club late in the downswing. 相似文献
152.
Haiyang Yang Amitava Chattopadhyay Kuangjie Zhang Darren W. Dahl 《Journal of Consumer Psychology》2012,22(4):573-581
Recent research suggests that unconscious thought is superior to conscious thought in many cognitive domains. In this article, we show that the duration of unconscious thought has an inverted-U shaped relationship with creativity performance. Unconscious thought is, thus, unlikely to provide creative advantage over conscious thought when deliberation duration is either short or long. However, when deliberation duration is of a moderate length, the creative output of unconscious thought surpasses that of conscious thought. Furthermore, the superiority of unconscious thought pertains only to the novelty dimension of creativity, but not the appropriateness dimension. These findings not only shed light on the powers and limits of unconscious thought but also illuminate the importance of calibration in utilizing unconscious thought to boost creativity. 相似文献
153.
Amanda Clinton Jered B. Kolbert Tammy L. Hughes James B. Schreiber Ara J. Schmitt 《Journal of aggression, maltreatment & trauma》2013,22(2):99-115
Researchers compared scores on a self-report measure of relational and social aggression using 2 groups, European American female university students (M = 20.23 years, SD = 3.88) from the mid-Atlantic region of the United States and Hispanic females from Puerto Rico (M = 19.34 years, SD = 1.26). Results indicate that cultural differences were evident in the use of relational and social aggression. The exclusively Hispanic Puerto Rican sample reported being more socially aggressive than the European American, mid-Atlantic sample. In contrast, the European American sample identified as being more relationally aggressive in their relationships than the Hispanic Puerto Rican sample. This distinction allows us to consider potential cultural differences in interpersonal relations in college-age females. 相似文献
154.
Darren R. Hocking Daniel Thomas Jasmine C. Menant Melanie A. Porter Stuart Smith Stephen R. Lord Kim M. Cornish 《Developmental science》2013,16(3):428-442
Previous studies suggest that individuals with Williams syndrome (WS), a rare genetically based neurodevelopmental disorder, show specific weaknesses in visual attention and response inhibition within the visuospatial domain. Here we examine the extent to which impairments in attentional control extend to the visuomotor domain using a well‐validated measure of choice stepping reaction time (CSRT) in individuals with WS. We examined the interaction between executive control and visually guided stepping using a verbal fluency dual‐task or Go/NoGo paradigm during CSRT performance. Relationships between dual‐task and inhibitory stepping and behavioural inattention and hyperactivity were also examined. Our results showed clear dual‐task costs in stepping response times when performing a concurrent cognitive task in the WS group when compared to spatial and verbal ability matched typically developing controls. Although no group differences in stepping accuracy were observed between the WS and typically developing control groups, the WS group showed progressive slowing and more variable response times across the duration of the Go/NoGo task. These results suggest dysfunction in circuits involved in top‐down attentional control processes in WS. These findings provide novel evidence that core executive control deficits in WS extend to the visuomotor domain, and impact on ADHD‐related inattentive symptoms. 相似文献
155.
Jun Yang Darren C. Treadway Lee P. Stepina 《Journal of applied social psychology》2013,43(8):1624-1635
The present study examines the influence of ambiguity and conflict surrounding employees' job specifications on their dissatisfaction and withdrawal intentions in the workplace. A model is proposed, which introduces perceptions of organizational politics and procedural justice as key mediators in the relationship between role ambiguity and conflict, and the resulting supervisor satisfaction, pay satisfaction, and intention to quit. The model is tested using a sample of 782 full‐time employees of a national retail organization. Results supported the mediating role of procedural justice and perception of politics in the relationship between role ambiguity and conflict and the three outcome measures. Implications of the findings and future research directions are discussed. 相似文献
156.
Consumers are increasingly exposed to scams and questionable marketing practices. The current work examines how consumers’ emotional states influence their gullibility (a belief or compliance with a request that most people would consider naïve). Across four studies, we show that the emotional experience of moral elevation reduces susceptibility to believe dubious claims or comply with suspicious requests. While past research showed that moral elevation enhances nurturance behavior (and support of a requester), the current work suggests that elevation may also play a protective function (that is, reduce gullibility). We show that decreased trust in a persuasion agent mediates the influence of elevation on gullibility, and demonstrate this effect in the context of health and financial domains. 相似文献
157.
158.
Darren J. Devaney Mark Stephen Nesti Noora J. Ronkainen Martin Littlewood David Richardson 《Journal of Applied Sport Psychology》2018,30(3):300-320
The 15-month ethnography reported here investigated the culturally and contextually relevant lifestyle concerns for which national-level youth cricketers seek support and the personal meanings ascribed to them. Players discussed lifestyle challenges and support, with five themes emerging: (a) players appreciating lifestyle support, (b) adapting to the new environment, (c) managing competing demands, (d) educational choices and professional contracts, and (e) identity negotiation in critical moments. The challenges impacted players' sense of self, well-being, and ultimately performance. The findings suggest lifestyle practitioners should support players through counseling approaches, strong player relationships, and environment immersion with a view to impacting performance. 相似文献
159.
Alexander Schreiber 《Journal for General Philosophy of Science》2018,49(4):503-513
Olaf Müller presents a supposedly empirically equivalent theory to Newtonian optics, which in his view is therefore threatened by underdetermination. This threat could even be expanded to modern physics, since this branch of physics is partly based on Newton’s theory. In this paper, I will show that Müller’s alternative theory contains an ill-defined concept, viz. the definition of whiteness as the absence of optical causal factors. This results from a fundamental property of whiteness: for every source of white light there exist metameric sources. I further argue that this cannot be reconciled by borrowing other concepts from modern physics, as is, I will show, tacitly presupposed in Müller’s argument. As a consequence, his alternative theory is not empirically equivalent to Newtonian optics and his argument in favour of underdetermination fails. 相似文献
160.
Suzanne M. Miller Walter Mischel Christine M. Schroeder Joanne S. Buzaglo Karen Hurley Pamela Schreiber 《Psychology & health》2013,28(5):847-858
Abstract It was shown that infertility and its treatment constitute a stressful experience for women, reflected particularly in disturbing intrusive ideation about the stress source. Infertility patients reported levels of intrusive ideation significantly higher than routine gynecologic patients and not significantly different from levels of psychiatric outpatients being treated for stress reactions to traumatic events. Intrusive ideation also predicted the degree of self-reported infertility-specific distress and dysfunction, further clarifying the key role of such ideation in the experience. Finally, as hypothesized, the frustration level of the treatment experience (as indexed by the number of infertility treatment methods attempted) predicted avoidant ideation. Implications for managing the psychological distress and disruption associated with the infertility treatment experience were discussed. 相似文献