Towards an Internet‐based Education Model for Caribbean Countries

Advances in the development of the Internet infrastructure can be used within developing countries to enhance the delivery of high quality education to their citizens. The mechanisms used to deliver educational material, over the Internet, range from the very sophisticated Virtual Classrooms (VCs) in which students in cyberspace interact in near real‐time with instructors at remote sites, to the basic non real‐time delivery of lecture contents. In Caribbean territories where the concentration of high‐quality teachers and teaching facilities are in and around urban cities, VCs can be used to enhance the access of students in remote areas to the materials, experiences, and facilities provided at the urban centers. We present a model for virtual classrooms, which is specifically geared toward Caribbean territories. This model leverages the usage of alternative low‐cost technology to offer VC environment to teaching institutions in remote rural districts via the Internet.     

Selected plantar pressure characteristics associated with the skating performance of national in-line speed skaters

In order to help coaches analyse the techniques of professional in-line speed skaters for making the required fine adjustments and corrections in their push-off work, this study analysed the specific plantar pressure characteristics during a 300-m time-trial test. Fourteen elite in-line speed skaters from the national team were recruited in this study. The total completion time of the 300-m time-trial test, duration of each skating phase, and plantar pressure distribution were measured. The correlation between plantar pressure distribution and skating performance was assessed using Pearson correlation analyses. The results showed that the contact time of the total foot and force–time integral (FTI) in the medial forefoot were significantly correlated with the duration of the start phase, and the FTIs in the medial forefoot of the gliding (left) leg and lateral forefoot of the pushing (right) leg were significantly correlated with the duration of the turning phase. The maximum force in the medial heel, medial forefoot, and median forefoot and the FTI in the medial heel and medial forefoot were significantly correlated with the duration of the linear acceleration phase. The results suggest that a correct plantar loading area and push-off strategy can enhance the skating performance.     

Sterilizing society: social order and policing sex work in Taiwan

This article utilizes Michel Foucault's view of state racism to analyze the criminalization of sex workers in Taiwan. To explore the political significance underlying the term “sex work” for anti-prostitution activists, we must historically situate their discourses and their impact on legal control in the late 1980s women's movements. Their efforts to reform society followed from their commitment to child protection and from their long-standing goal of eliminating women's sexuality through motherhood. An uphill battle, marshaled chiefly by the amendment of the Youth Welfare Act in 1988 and the legislation of CYSTPA in 1995, it became more furious in its assault on sex workers. By 2009, whereas those anti-prostitution activists had promoted anti-human trafficking provisions to protect victims under the age of 18, such provisions had in reality become mechanisms for arresting anyone related with the sex industry. This means that what was put forward as a principle for the integration of society and its visible order was based on sexual inequality. Contrasting the strategies and rhetoric of regulating sex workers in Taiwan, what is really necessary is to bring the cultural dynamics behind policies into a sharper view of state racism.     

Effects of high-intensity interval training on canoeing performance

The purpose of this study was to compare the effects of high-intensity interval training (HIIT) and moderate-intensity continuous training (MICT) utilizing a canoeing ergometer on endurance determinants, as well as aerobic and anaerobic performances among flat-water canoeists. Fourteen well-trained male flat-water canoeists were divided into an HIIT group or an MICT group. All subjects performed a continuous graded exercise test (GXT) and three fixed-distance (200, 500, and 1000?m) performance tests on a canoeing ergometer to determine canoeing economy, peak oxygen uptake (VO₂peak), and power at VO₂peak, and to calculate the critical velocity (CV) and anaerobic work capacity before and after the training programmes. The training programme involved training on a canoeing ergometer three times per week for four weeks. HIIT consisted of seven 2 min canoeing bouts at an intensity of 90% VO₂peak separated by 1 min of rest. The MICT group was trained at an intensity of 65% VO₂peak continuously for 20 min. After four weeks of training, performance in the 200-m distance test and the power at VO₂peak significantly improved in the HIIT group; performance in the 500?m and 1000?m distances and CV significantly improved in the MICT group. However, all variables were not significantly different between groups. It is concluded that HIIT for four weeks is an effective training strategy for improvement of short-distance canoeing performance. In contrast, MICT improves middle-distance canoeing performances and aerobic capacity.     

An integrated microfluidic system for isolation, counting, and sorting of hematopoietic stem cells

This study reports an integrated microfluidic system capable of isolation, counting, and sorting of hematopoietic stem cells (HSCs) from cord blood in an automatic format by utilizing a magnetic-bead-based immunoassay. Three functional modules, including cell isolation, cell counting, and cell sorting modules are integrated on a single chip by using microfluidic technology. The cell isolation module is comprised of a four-membrane-type micromixer for binding of target stem cells and magnetic beads, two pneumatic micropumps for sample transport, and an S-shaped channel for isolation of HSCs using a permanent magnet underneath. The counting and sorting of HSCs are performed by utilizing the cell counting and sorting modules. Experimental results show that a separation efficiency as high as 88% for HSCs from cord blood is achieved within 40 min for a sample volume of 100 μl. Therefore, the development of this integrated microfluidic system may be promising for various applications such as stem cell research and cell therapy.     

Effects of compression garments on surface EMG and physiological responses during and after distance running

BackgroundThe few previous studies that focused on the effects of compression garments (CG) on distance running performance have simultaneously measured electromyogram, physiological, and perceptual parameters. Therefore, this study investigated the effects of CG on muscle activation and median frequency during and after distance running, as well as blood-lactate concentration and rating of perceived exertion (RPE) during distance running.MethodsEight healthy male recreational runners were recruited to randomly perform two 40 min treadmill running trials, one with CG, and the other with control garment made of normal cloth. The RPE and the surface electromyography (EMG) of 5 lower extremity muscles including gluteus maximus (GM), rectus femoris (RF), semitendinosus (ST), tibialis anterior (TA), and gastrocnemius (GAS) were measured during the running trial. The blood-lactate levels before and after the running trial were measured.ResultsWearing CG led to significant lower muscle activation (p < 0.05) in the GM (decreased 7.40%–14.31%), RF (decreased 4.39%–4.76%), and ST (decreased 3.42%–7.20%) muscles; moreover, significant higher median frequency (p < 0.05) in the GM (increased 5.57%) and ST (increased 10.58%) muscles. Wearing CG did not alter the RPE values or the blood-lactate levels (p > 0.05).ConclusionWearing CG was associated with significantly lower muscle activation and higher median frequency in the running-related key muscles during distance running. This finding suggested that wearing CG may improve muscle function, which might enhance running performance and prevent muscle fatigue.     

Linguistic intergroup bias tells ingroup/outgroup orientation of bicultural Asian Americans

Traditional studies of ethnic relations focus on racialization between Whites and Blacks, or ethnic stratification between Whites and people of color. This study aims at broadening conventional studies of interethnic relations to examine racial attitudes among people who have internalized more than one culture – i.e., the biculturals and multiculturals. Social psychological research suggests that bicultural individuals are capable of switching between two cultural meaning frames depending on contextual demands. Bicultural individuals vary in how well they integrate the two cultural identities internalized in them – i.e., their bicultural identity integration levels (BII levels). Their BII levels lead to either culturally congruent or culturally incongruent behaviors among bicultural individuals. The underlying assumption of linguistic intergroup bias indicates that people tend to describe more abstractly observed positive ingroup behaviors and negative outgroup behaviors and describe more concretely observed negative ingroup behaviors and positive outgroup behaviors. In this study, bicultural Asian American participants are hypothesized to use language of either higher or lower abstraction to describe actions of positive and negative valence performed by either ethnic Asians or European Americans depending on the cultural priming they received and their BII levels. The demonstrated pattern of ingroup enhancement and outgroup derogation of the bicultural participants point out the perceived ingroup/outgroup orientation of these biculturals towards their coethnics and people of the mainstream culture. Effects of the cultural priming and impact of BII levels are also discussed.     

The impact of multilevel factors on technology integration: the case of Taiwanese grade 1–9 teachers and schools

Technology integration is influenced by many factors related to the teacher and the school environment. While many studies have examined factors that influence teachers’ use of Information and Communication Technology (ICT) at the teacher level, a growing number of studies have suggested that it is beneficial to examine those factors using multilevel modeling. Multilevel analysis can separate the impact of teachers from the school environment and provide insight into the influence of those factors at each level. This study uses multilevel modeling to analyze data from 3,652 grade 1–9 teachers in 289 schools in Taiwan. The results of this multilevel analysis found both teacher-level and school-level factors contributing to the integration of ICT in the teaching process. Among teacher level factors, teachers’ beliefs and hours of training in the previous year predicted ICT integration proficiency well. Among school level factors, training hours and teachers’ perceived school support are the most important factors that impact ICT integration. School support is not only a significant factor at the school level but also a strong predictor at the teacher level. In addition, important school level variables included access to Internet connectivity, availability of projectors, and stability of computers. These results highlight the importance of individual teachers and the role schools play in ICT integration.     

“iRobiQ”: the influence of bidirectional interaction on kindergarteners’ reading motivation,literacy, and behavior

This study focused on an intelligent robot which was viewed as a language teaching/learning tool to improve children’s reading ability, reading interest, and learning behavior. The iRobiQ, with its multimedia contents, was employed to encourage children to read, speak, and answer questions. Fifty-seven pre-kindergarteners participated in this study, and they were divided into an experimental group (30 children using iRobiQ) and a control group (27 children using a tablet-PC). After 2 months of experiments, the reading ability of the experimental group was better than that of the control group. It was found that using iRobiQ as a learning tool had many advantages, for example, the enhancement of learners’ reading literacy, in comparison with the use of tablet-PC. In this study, there were three interesting findings: (1) iRobiQ is a more effective learning companion as compared to tablet-PC; (2) iRobiQ is a bidirectional interactive toy; and (3) iRobiQ can foster and promote the peer collaboration and competition because it has intriguing characteristics, particularly its communicative and interactive functions. The bidirectional interactive robots allow pre-kindergarten teachers to create more active and interactive learning environment for children and provide the children with more various learning contents.