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This research examined how the interaction between a source's facial similarity to message targets and communicated bias affects audience persuadability. We used an evolutionary explanation to hypothesize that biased sources would elicit less favorable attitudes than unbiased sources for dissimilar sources, but that this difference would be absent for similar sources. Predictions were supported by results from a 2 (facial similarity) × 2 (source bias) experiment, in which an unrecognizable percentage of participants' photographs (n = 94) was digitally morphed with a source's face to act as a kinship cue. Further, structural equation modeling demonstrated a direct effect of facial similarity on attitude independent of mediation by source liking and appraisals, providing further evidence that susceptibility to influence from facially similar sources may have evolutionary origins. 相似文献
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Darrin Richards B. Johan Ivarsson Irving Scher Ryan Hoover Kathleen Rodowicz Peter Cripton 《Sports biomechanics / International Society of Biomechanics in Sports》2016,15(4):385-396
Ice hockey body checks involving direct shoulder-to-head contact frequently result in head injury. In the current study, we examined the effect of shoulder pad style on the likelihood of head injury from a shoulder-to-head check. Shoulder-to-head body checks were simulated by swinging a modified Hybrid-III anthropomorphic test device (ATD) with and without shoulder pads into a stationary Hybrid-III ATD at 21 km/h. Tests were conducted with three different styles of shoulder pads (traditional, integrated and tethered) and without shoulder pads for the purpose of control. Head response kinematics for the stationary ATD were measured. Compared to the case of no shoulder pads, the three different pad styles significantly (p < 0.05) reduced peak resultant linear head accelerations of the stationary ATD by 35–56%. The integrated shoulder pads reduced linear head accelerations by an additional 18–21% beyond the other two styles of shoulder pads. The data presented here suggest that shoulder pads can be designed to help protect the head of the struck player in a shoulder-to-head check. 相似文献
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Teaching distance learners in Wales 总被引:1,自引:0,他引:1
Heddwyn Richards 《Open Learning》2013,28(3):22-28
Open University students and staff in Wales often have to cover large distances to achieve face‐to‐face contact. To provide accessible tuition and counselling on an equitable basis is recognised as a difficulty in the differential provision of resources compared with a compact and densely populated region such as London. However, as disparities grow and budgets shrink, historical tolerance cannot be taken for granted. Heddwyn Richards, Senior Counsellor in the Open University in Wales, provides an analysis of the tutorial problems of student distribution and geography in a low population region. 相似文献
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