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101.
Bremner JG Slater AM Johnson SP Mason UC Spring J Bremner ME 《Child development》2011,82(4):1210-1223
From birth, infants detect associations between the locations of static visual objects and sounds they emit, but there is limited evidence regarding their sensitivity to the dynamic equivalent when a sound-emitting object moves. In 4 experiments involving thirty-six 2-month-olds, forty-eight 5-month-olds, and forty-eight 8-month-olds, we investigated infants' ability to process this form of spatial colocation. Whereas there was no evidence of spontaneous sensitivity, all age groups detected a dynamic colocation during habituation and looked longer at test trials in which sound and sight were dislocated. Only 2-month-olds showed clear sensitivity to the dislocation relation, although 8-month-olds did so following additional habituation. These results are discussed relative to the intersensory redundancy hypothesis and work suggesting increasing specificity in processing with age. 相似文献
102.
Gavin Boyce Angela Greenwood Amy Haworth Jacky Hodgson Chris Jones Gary Marsh Maria Mawson Rosa Sadler 《The Journal of Academic Librarianship》2019,45(5):102046
Over the course of 2018 the University of Sheffield Library conducted a series of interviews and workshops with stakeholders as part of a strategic project to reflect on the value of the university library in the 21st century. Using a mixed methodology, participants were asked to reflect upon the future Higher Education (HE) environment for the university and, for academic participants, their discipline. In this context participants were also asked to reflect upon the future value of the University Library in a series of questions designed to elicit value statements using a tool which the project group have called the ‘Wheel of Value’. The resulting reflections upon the future environment have been grouped into four categories reflecting the drivers for change; Digitalisation, Student Experience, Diversification and Collaboration recognizing that there is considerable overlap and interconnection between these. The reflections on the future value of the library are presented by Wheel of Value higher order categorization. This approach proved useful in eliciting responses from participants in the face of recognized difficulty in getting beyond current views of the library and the approach is recommended to other universities looking to carry out a similar project. The results of this research will be used to inform the development of a view of the library for the purpose of engaging with our university community and key partners. 相似文献
103.
Gavin T.L. Brown Heidi L. Andrade Fei Chen 《Assessment in Education: Principles, Policy & Practice》2015,22(4):444-457
Student self-assessment is a central component of current conceptions of formative and classroom assessment. The research on self-assessment has focused on its efficacy in promoting both academic achievement and self-regulated learning, with little concern for issues of validity. Because reliability of testing is considered a sine qua non for the validity of assessment interpretations, and research into the human ability to self-evaluate work raises concerns about the quality of students’ judgements, it is sensible to investigate the accuracy of students’ self-assessments. This article reviews relevant literature from educational psychology and psychometrics to define the need for a better understanding of accuracy in self-assessment as well as to identify possible pitfalls in measuring accuracy that could undermine its effectiveness by, for example, trading the focus on formative feedback for summative scoring or rating. The article concludes with recommendations for the design of research on accuracy in self-assessment. 相似文献
104.
Kyle F. Gill Susan T. Arthur Ian Swaine Gavin Richard Devereux Yvette M. Huet Erik Wikstrom 《Journal of sports sciences》2015,33(6):616-621
To reduce resting blood pressure, a minimum isometric exercise training (IET) intensity has been suggested, but this is not known for short-term IET programmes. We therefore compared the effects of moderate- and low-intensity IET programmes on resting blood pressure. Forty normotensive participants (22.3 ± 3.4 years; 69.5 ± 15.5 kg; 170.2 ± 8.7 cm) were randomly assigned to groups of differing training intensities [20%EMGpeak (~23%MVC, maximum voluntary contraction, or 30%EMGpeak (~34%MVC)] or control group; 3 weeks of IET at 30%EMGpeak resulted in significant reductions in resting mean arterial pressure (e.g. ?3.9 ± 1.0 mmHg, P < 0.001), whereas 20%EMGpeak did not (?2.3 ± 2.9 mmHg; P > 0.05). Moreover, after pooling all female versus male participants, IET induced a 6.9-mmHg reduction in systolic blood pressure in female participants, but only a 1.5-mmHg reduction in systolic blood pressure in male participants, although the difference was not significant. An IET intensity between 20%EMGpeak and 30%EMGpeak is sufficient to elicit significant resting blood pressure reductions in a short-term training period (3 weeks). In addition, sexual dimorphism may exist in the magnitude of reductions, but further work is required to confirm this possibility, which could be important in understanding the mechanisms responsible. 相似文献
105.
Gavin Davies 《科技新时代》2005,(8):8-9
拍摄者自述:“这张照片是我度蜜月时在马来西亚吉隆坡的黑风洞拍摄的,当时这只四处闲逛的猴子突然顺着台阶跑进了洞中的神殿。” 相似文献
106.
Recent international normative data for the 20-m shuttle-run test demonstrated a below-average performance index for UK children. The aims of the present study were to create an international comparison of 20-m shuttle-run test performance in a sample of English children and to identify age- and sex-specific differences in test performance. Mass, stature, body mass index, and 20-m shuttle-run test performance were measured in 2041 children aged 11-15 years (963 boys, 1078 girls). Performance was expressed as maximum running velocity and a performance index was created by generating z-scores. The shuttle-run test performance index was higher than the existing published value (-0.046, 95% confidence interval [CI] -0.070 to -0.022) for all children (0.061, 95% CI = 0.006 to 0.115), for boys (0.075, 95% CI = -0.022 to 0.171), and for girls (0.048, 95% CI = -0.010 to 0.106). Boys' relative performance increased significantly (F = 4.43, P = 0.002) throughout the measured age range, whereas girls' relative performance tended to decrease (F = 1.98, P = 0.096). The results were favourable when compared with existing values. Differences in performance index may be due to the different geographical areas from which present and past samples were drawn. Reasons for differences in the performance indices between boys and girls warrant further investigation. 相似文献
107.
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109.
This article sets out to argue that organisations can learn but that they cannot do so in their own right without infrastructural
support. This article further examines the notion that individuals in organisations also require the cognitive participation
of the organisation itself as a learning entity to learn. The close reliance and affiliation required between individuals
and organisations to enable their learning from one another are discussed. In continuation of this, specific examples are
provided through the industry sector of information systems development (ISD) projects to illustrate of how organisations
can learn. Finally, the question of how one identifies organisational learning is analysed. Following on from the ISD and
its use in the analogy of organisational learning, the article discusses an organisational empirical research project currently
being undertaken by the authors, which utilises blogs. Though there are many potential organisational learning connotations
associated with blogs, they could be perceived as a type of information system. The ongoing research being undertaken with
the company using the blogs will attempt to identify indicators of learning at the individual, group and organisational levels.
The significance of the issues explored in this article lies in the fact that it addresses an ISD approach to study how an
organisation learns, and why this perspective is useful towards understanding the process of organisational learning. This
article contributes to the organisational learning debate through an illustrative industry example of ISD projects. In doing
so, we wish to argue that though individual learning can occur in ISD projects, the collective nature of projects primarily
engenders the interpretive aspect of organisational learning. We further believe that it is the interactive nature of an ISD
project that allows an organisation to learn in tandem with project members as exemplified through the stages of a project
life cycle. We feel that this article contributes to the ISD and organisational learning literature in terms of linking both
concepts together. 相似文献
110.
Levi Frehlich Anita Blackstaffe Gavin R. McCormack 《Measurement in physical education and exercise science》2020,24(1):1-10
ABSTRACTThe Physical Activity Neighborhood Environment Scale (PANES) has been used internationally; however, PANES properties have not been assessed in all geographical contexts. Our objectives were to assess the reliability and validity of an online and paper version of the PANES in Canadian adults. Reliability was estimated using intraclass correlation coefficients (ICC), percent of overall agreement (p0) and Cohen’s Kappa coefficient (κ). Lower 95% confidence interval (CI) ICC ranged from 0.10 to 0.70. Lower 95%CI for κ statistics ranged from ?0.20 to 0.64 and p0 ranged from 80.1% to 95.7%. Cronbach’s alpha coefficients (α) estimated internal consistency of the PANES (α = 0.58 for the paper version and α = 0.55 for the online version). Mean scores for the PANES Built Environment Index (BEI) significantly differed by neighborhood street pattern (p < .05). The PANES administrated via paper or online provides reliable overall agreement and valid estimates of the self-reported neighborhood built environment supportiveness of physical activity. 相似文献