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131.
Benjamin R. Bates 《Qualitative Research Reports in Communication》2017,18(1):64-72
This article engages the Brazilian O Machismo graffiti project as an example of invitational visual rhetoric. Although most understandings of graffiti as communication consider it to be a persuasive artistic form, O Machismo invites viewers to respond to its invitation to help complete the art project and collectively share in co-creating its message. Through an examination of the responses to the invitation that emerge to resist machismo and promote non-patriarchal understandings, the article offers some ideas about how an invitational visual rhetoric expands our previous understandings of graffiti. 相似文献
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Shereen Benjamin 《Gender and education》2002,14(3):281-294
The charity/tragedy discourse of disability and traditional versions of femininity bear some striking resemblances. Both are associated with dependence and helplessness, and with resultant practices that are implicated in the enduring reproduction of social and material inequalities. This article looks at the 'identity work' of a group of girls, all of whom had been identified as having 'special educational needs', in a mainstream school in the UK. Using findings from an ethnographic study, the article explores how the girls position themselves in relation to the subject 'special needs student'. The findings suggest that historical meanings associated with femininity and disability combine with contemporary schooling practices to produce a constrained range of subject positions around which the girls have limited room for manoeuvre. 相似文献
135.
Decades of communication research have demonstrated that political candidate images are important predictors of electoral success and that campaign communication influences these image perceptions. However, questions remain about the relative importance of various facets of candidate image, how electoral context and partisanship influence the salience of these facets, and whether privileged classes enjoy presumption in image facets that reinforce their dominant position in politics. These questions require a new approach to image research. We propose a multifactor approach that explores the relative importance of six image traits: character, intelligence, leadership, benevolence, homophily, and charm. The benefits of this approach are illustrated through application to two electoral contexts, the 2012 U.S. presidential election and the 2014 U.S. midterm elections. 相似文献
136.
Benjamin Pageaux 《European Journal of Sport Science》2016,16(8):885-894
Perception of effort, also known as perceived exertion or sense of effort, can be described as a cognitive feeling of work associated with voluntary actions. The aim of the present review is to provide an overview of what is perception of effort in Exercise Science. Due to the addition of sensations other than effort in its definition, the neurophysiology of perceived exertion remains poorly understood. As humans have the ability to dissociate effort from other sensations related to physical exercise, the need to use a narrower definition is emphasised. Consequently, a definition and some brief guidelines for its measurement are provided. Finally, an overview of the models present in the literature aiming to explain its neurophysiology, and some perspectives for future research are offered. 相似文献
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Andrew R. Novak Benjamin J. Dascombe 《Measurement in physical education and exercise science》2016,20(3):167-172
This study aimed to determine if the Garmin Vector (Schaffhausen, Switzerland) power meter produced acceptable measures when compared with the Schoberer Rad Messetechnik (SRM; Julich, Germany) power meter across a range of high-intensity efforts. Twenty-one well-trained cyclists completed power profiles (seven maximal mean efforts between 5 and 600 s) using Vector and SRM power meters. Data were compared using assessments of heteroscedasticity, t tests, linear regression, and typical error of estimate (TEE). The data were heteroscedastic, whereby the Vector pedals increasingly overestimated values at higher power outputs; however, t tests did not identify any significant differences between power meters (p > .05). Using linear regression, Vector data were fit to an SRM equivalent (slope = .99; intercept = ?9.87) and TEE produced by this equation was 3.3% (3.0%–3.8%). While the data shows slight heteroscedasticity due to differing strain-gauge placement and resultant torque measurement variance, the Vector appears acceptable for measures of power output across various cycling efforts. 相似文献
139.
Managing cognitive load in educational multi-user virtual environments: reflection on design practice 总被引:1,自引:0,他引:1
Brian C. Nelson Benjamin E. Erlandson 《Educational technology research and development : ETR & D》2008,56(5-6):619-641
In this paper, we explore how the application of multimedia design principles may inform the development of educational multi-user virtual environments (MUVEs). We look at design principles that have been shown to help learners manage cognitive load within multimedia environments and conduct a conjectural analysis of the extent to which such principles can help manage cognitive load in the highly immersive “beyond multimedia” environments that 3-D educational MUVEs represent. We frame our discussion as a design practice analysis of the River City MUVE, a science inquiry environment that has middle school students collaborating to develop and test hypotheses regarding illnesses sweeping a virtual town. We analyze the current River City interface design using a framework describing cognitive overload scenarios and associated approaches to manage cognitive load. We also discuss the potential difficulties that may be seen as multimedia principles are applied to 3-D MUVEs. Our discussion describes a blueprint for research implementations that we are undertaking to systematically investigate the effect of an educational MUVE interface design based on multimedia principles—implementations that we hope will provide an action framework for other MUVE researchers to use in their own studies. 相似文献
140.