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Articles 1 - 14 of 14
Full-Text Articles in Social and Behavioral Sciences
Effects Of Observing And Making Movements On Learning, Sahar Bokosmaty, Fred Paas
Effects Of Observing And Making Movements On Learning, Sahar Bokosmaty, Fred Paas
Faculty of Social Sciences - Papers (Archive)
Abstract presented at the 8th Cognitive Load Theory Conference, Fort Collins, Colorado, USA, June 15th - 17th, 2015.
Interactive Effects Of Early And Recent Exposure To Stressful Contexts On Cortisol Reactivity In Middle Childhood, Sara R. Jaffee, Tara Mcfarquhar, Suzanne Stevens, Isabelle Ouellet-Morin, Edward Melhuish, Jay Belsky
Interactive Effects Of Early And Recent Exposure To Stressful Contexts On Cortisol Reactivity In Middle Childhood, Sara R. Jaffee, Tara Mcfarquhar, Suzanne Stevens, Isabelle Ouellet-Morin, Edward Melhuish, Jay Belsky
Faculty of Social Sciences - Papers (Archive)
Background Given mixed findings as to whether stressful experiences and relationships are associated with increases or decreases in children's cortisol reactivity, we tested whether a child's developmental history of risk exposure explained variation in cortisol reactivity to an experimentally induced task. We also tested whether the relationship between cortisol reactivity and children's internalizing and externalizing problems varied as a function of their developmental history of stressful experiences and relationships. Method Participants included 400 children (M = 9.99 years, SD = 0.74 years) from the Children's Experiences and Development Study. Early risk exposure was measured by children's experiences of harsh, nonresponsive …
Effects Of Integrated Physical Exercises And Gestures On Preschool Children's Foreign Language Vocabulary Learning, Myrto F. Mavilidi, Anthony D. Okely, Paul A. Chandler, Dylan P. Cliff, Fred Paas
Effects Of Integrated Physical Exercises And Gestures On Preschool Children's Foreign Language Vocabulary Learning, Myrto F. Mavilidi, Anthony D. Okely, Paul A. Chandler, Dylan P. Cliff, Fred Paas
Faculty of Social Sciences - Papers (Archive)
Research suggests that integrating human movement into a cognitive learning task can be effective for learning due to its cognitive and physiological effects. In this study, the learning effects of enacting words through whole-body movements (i.e., physical exercise) and part-body movements (i.e., gestures) were investigated in a foreign language vocabulary task. Participants were 111 preschool children of 15 childcare centers, who were randomly assigned to one of four conditions. Participants had to learn 14 Italian words in a 4-week teaching program. They were tested on their memory for the words during, directly after, and 6 weeks after the program. In …
Why Experts Can Do What They Do: The Effects Of Exogenous Resources On The Domain Impact Level Of Activities (Dila), Tobias Debatin, Manuel Hopp, Wilma Vialle, Albert Ziegler
Why Experts Can Do What They Do: The Effects Of Exogenous Resources On The Domain Impact Level Of Activities (Dila), Tobias Debatin, Manuel Hopp, Wilma Vialle, Albert Ziegler
Faculty of Social Sciences - Papers (Archive)
In many domains, it is estimated that approximately 10,000 hours of planned learning activities are required to reach an expert level of performance. However, this poses a challenge for learners to balance such extensive learning times with the demands of everyday life. In our study we focused on activities in the domain of chess. We hypothesized that chess-related activities could be better integrated in an individual's life if exogenous resources - specified in the educational capital approach (Ziegler & Baker, 2013) - are sufficiently available. In order to test this hypothesis we introduced the concept of the Domain Impact Level …
Online Cognitive Training In Healthy Older Adults: A Preliminary Study On The Effects Of Single Versus Multi-Domain Training, Courtney C. Walton, Alexandra Kavanagh, Luke Downey, Justine Lomas, David A. Camfield, Con Stough
Online Cognitive Training In Healthy Older Adults: A Preliminary Study On The Effects Of Single Versus Multi-Domain Training, Courtney C. Walton, Alexandra Kavanagh, Luke Downey, Justine Lomas, David A. Camfield, Con Stough
Faculty of Social Sciences - Papers (Archive)
It has been argued that cognitive training may be effective in improving cognitive performance in healthy older adults. However, inappropriate active control groups often hinder the validity of these claims. Additionally there are relatively few independent empirical studies on popular commercially available cognitive training programs. The current research extends on previous work to explore cognitive training employing a more robust control group. Twenty-eight healthy older adults (age: M = 64.18, SD = 6.9) completed either a multi-faceted online computerised cognitive training program or trained on a simple reaction time task for 20 minutes a day over a 28 day period. …
Understanding The Effects Of Crime On Women: Fear And Well-Being In The Context Of Diverse Relationships, Natalia K. Hanley, Leah Ruppanner
Understanding The Effects Of Crime On Women: Fear And Well-Being In The Context Of Diverse Relationships, Natalia K. Hanley, Leah Ruppanner
Faculty of Social Sciences - Papers (Archive)
The risk-fear paradox, whereby people who experience the least criminal victimisation report the greatest fear of crime, has been established in the extant literature. That this paradox is gendered, notably that women report greater fear yet are less likely to experience crime, has also been consistently identified. However, there remains a largely unanswered call to explore further the distinctive experiences of women and men. There are likely to be substantial within-group differences as well as between-group differences in experiences of crime and reported fear of crime. For instance, women may experience fear differently by relationship type. Specifically, women in non-traditional …
If A Safety Aid Is Present, There Must Be Danger: The Paradoxical Effects Of Hand Sanitizer During A Contamination Exposure Task, Shannon M. Blakey, Brett J. Deacon
If A Safety Aid Is Present, There Must Be Danger: The Paradoxical Effects Of Hand Sanitizer During A Contamination Exposure Task, Shannon M. Blakey, Brett J. Deacon
Faculty of Social Sciences - Papers (Archive)
Perceptions of danger often arise in the context of feared threat cues, but individuals also rely on other heuristics that lead them to infer danger in ambiguous situations. For example, individuals may interpret their own anxiety or safety-seeking behaviors as indicators of threat. Another potential source of danger information is the mere availability of safety aids in the environment. Although assumed to be helpful, safety aids might paradoxically elicit, rather than alleviate, anxiety. The present study was designed to assess the degree to which concern-relevant safety aids exacerbate distress. Participants (N = 71) completed several self-report measures and engaged in …
The Effects Of Vacuum Annealing Temperatures On The Microstructure, Mechanical Properties And Electrical Resistivity Of Mg-3al-1zn Alloy Ribbons, Fenghua Chen, Qingxue Huang, Zhengyi Jiang, Jingwei Zhao, Binyu Sun, Yugui Li
The Effects Of Vacuum Annealing Temperatures On The Microstructure, Mechanical Properties And Electrical Resistivity Of Mg-3al-1zn Alloy Ribbons, Fenghua Chen, Qingxue Huang, Zhengyi Jiang, Jingwei Zhao, Binyu Sun, Yugui Li
Faculty of Engineering and Information Sciences - Papers: Part A
This paper investigates the influence of vacuum annealing temperature on the microstructure, mechanical properties and electrical resistivity of Mg-3Al-1Zn rapid solidification (RS) magnesium ribbons. The results indicate that when the annealing temperature is increased, the grain size of the ribbons is dramatically reduced from 10 to 1 μm. The highest break stress and micro-hardness is obtained at 673 K. These effects are ascribed to the dispersion strengthening caused by the high amount of fine nanoparticles distributed in the material. Electrical resistivity-temperature (ρ-T) curves have been used to provide useful information about the effects of the annealing temperature on the grain …
Effects Of Grain Boundaries In Oxide Scale On Tribological Properties Of Nanoparticles Lubrication, Xianglong Yu, Zhengyi Jiang, Jingwei Zhao, Dongbin Wei, Cunlong Zhou, Qingxue Huang
Effects Of Grain Boundaries In Oxide Scale On Tribological Properties Of Nanoparticles Lubrication, Xianglong Yu, Zhengyi Jiang, Jingwei Zhao, Dongbin Wei, Cunlong Zhou, Qingxue Huang
Faculty of Engineering and Information Sciences - Papers: Part A
The characters of grain boundaries in oxide layers formed on substrates influence adhesion and friction behaviour, surface fracture and wear during high temperature steel processing. In this work, an electron backscattered diffraction (EBSD) analysis was conducted to investigate the role of surface grain boundary and orientation in magnetite (Fe3O4)/haematite (α-Fe2O3) scale during hot rolling, and further evaluate their effects on tribological properties of water-based nanoparticles lubrication. The results demonstrate that Fe3O4 (100) plane is strongly sensitive to the surface characteristics as the minimisation of surface energy. Coincident site lattice …
Effects Of Computer-Based Visual Representation On Mathematics Learning And Cognitive Load, Hsin I. Yung, Fred Paas
Effects Of Computer-Based Visual Representation On Mathematics Learning And Cognitive Load, Hsin I. Yung, Fred Paas
Faculty of Social Sciences - Papers (Archive)
Visual representation has been recognized as a powerful learning tool in many learning domains. Based on the assumption that visual representations can support deeper understanding, we examined the effects of visual representations on learning performance and cognitive load in the domain of mathematics. An experimental condition with visual representations was compared to a control condition without visual representations among primary school students. The hypothesis that learning with visual representations would result in higher learning performance and lower cognitive load than learning without visual representations was confirmed by the results. Theoretical and practical implications of the findings are discussed.
Reducing Cognitive Load: The Effects Of Gesturing On Children's Effective Working Memory Capacity, Sahar Bokosmaty, Steven J. Howard, Myrto F. Mavilidi, Fred Paas
Reducing Cognitive Load: The Effects Of Gesturing On Children's Effective Working Memory Capacity, Sahar Bokosmaty, Steven J. Howard, Myrto F. Mavilidi, Fred Paas
Faculty of Social Sciences - Papers (Archive)
Abstract presented at the 8th Cognitive Load Theory Conference, Fort Collins, Colorado, USA, June 15th - 17th, 2015.
Participatory Or Deliberative Democracy? Exploring The Mediation Effects Of Perceived Online Deliberation And Online Interactive Activities On Social Outcomes, Kyung Han You, Jeong Kyu Lee, Hyunjin Kang, Eun Go
Participatory Or Deliberative Democracy? Exploring The Mediation Effects Of Perceived Online Deliberation And Online Interactive Activities On Social Outcomes, Kyung Han You, Jeong Kyu Lee, Hyunjin Kang, Eun Go
Faculty of Social Sciences - Papers (Archive)
Using the structural equation modeling method (N = 811), this study explores the structural relationships among online news consumption, political participation and social trust, with a focus on the mediating effects of online users' deliberative perceptions and news-related online interactive activities. The analysis confirms that users' perceptions of online deliberation exert a significant mediating effect on users' levels of news consumption, political participation, and social trust. Users' interactive civic messaging behaviors, on the other hand, solely enhance participatory intentions. The findings also show that the consumption of political news and the consumption of entertainment news have different effects on users' …
A Promising Set Of Spreading Sequences To Mitigate Mai Effects In Mimo Sts Systems, Anh Tuyen Le, Le Chung Tran, Prashan Premaratne, David Stirling, Beata J. Wysocki, Tadeusz A. Wysocki, Peter J. Vial
A Promising Set Of Spreading Sequences To Mitigate Mai Effects In Mimo Sts Systems, Anh Tuyen Le, Le Chung Tran, Prashan Premaratne, David Stirling, Beata J. Wysocki, Tadeusz A. Wysocki, Peter J. Vial
Faculty of Engineering and Information Sciences - Papers: Part A
Multiple input, Multiple output space time spreading (MIMO STS) system is a scheme which can provide full diversity gain without extra resource requirements. However, its performance degrades significantly when multiple access interference (MAI) occurs. In order to mitigate MAI effects, we propose a criterion to build a promising set of combination of spreading sequences for users. Simulation results show that the average BER performance of users using this promising set is about thirty percent lower than that of users using another set in case of 64 chip length Walsh-Hadamard code.
Model-Based Correction For Scatter And Tailing Effects In Simultaneous 99mtc And 123i Imaging For A Cdznte Cardiac Spect Camera, Maria Holstensson, Kjell Erlandsson, Gavin Poludniowski, Simona Ben-Haim, Brian F. Hutton
Model-Based Correction For Scatter And Tailing Effects In Simultaneous 99mtc And 123i Imaging For A Cdznte Cardiac Spect Camera, Maria Holstensson, Kjell Erlandsson, Gavin Poludniowski, Simona Ben-Haim, Brian F. Hutton
Faculty of Engineering and Information Sciences - Papers: Part A
2015 Institute of Physics and Engineering in Medicine. An advantage of semiconductor-based dedicated cardiac single photon emission computed tomography (SPECT) cameras when compared to conventional Anger cameras is superior energy resolution. This provides the potential for improved separation of the photopeaks in dual radionuclide imaging, such as combined use of 99mTc and 123I . There is, however, the added complexity of tailing effects in the detectors that must be accounted for. In this paper we present a model-based correction algorithm which extracts the useful primary counts of 99mTc and 123I from projection data. Equations describing the …