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1.
Since Makita's report (1968), it has been believed that reading disabilities in Japan are extremely rare. However, this argument does not correspond with teachers’observations in elementary schools in Japan. This study tried to re-examine the incidence and characteristics of reading disabilities in Japan. Standardized reading ability and intelligence tests were conducted for 5th grade elementary school children of various districts. It was found that 18.7% of children have one year delay, and 10.9% of children have two or more years delay. This shows that Makita's claim of rarity of incidence of reading disabilities in Japan is incorrect. 相似文献
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Naoyuki Takeuchi Takayuki Mori Yoshimi Suzukamo Shin‐Ichi Izumi 《Mind, Brain, and Education》2019,13(3):167-175
Metacognitive functions are important for both teachers and students to facilitate teaching and learning. The prefrontal cortex (PFC) plays a proven role in metacognition. As a pilot study, we evaluated the PFC activity of teachers and students using near‐infrared spectroscopy devices to explore the neural mechanism of PFC underlying metacognitive function during teaching and problem‐solving processes. In 14 student‐teacher pairs, participants in the teacher role gave hints via a tablet screen to facilitate solving of a tangram puzzle task by participants in the student role. The PFC activity of teachers increased after giving hints but not while planning hints. The PFC activity of students increased upon task solving after receiving hints. The PFC of teachers might play a metacognitive role in monitoring their own teaching results. The PFC activity of students might be related to the creativity process after gaining insights, as well as metacognitive process for monitoring their own behavior. 相似文献
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A prediction model of foreign language reading proficiency based on reading time and text complexity
In textbooks, foreign （second） language reading proficiency is often evaluated through comprehension questions. In case, authentic texts are used as reading material, such questions should be prepared by teachers. However, preparing appropriate questions may be a very demanding task for teachers. This paper introduces a method for automatically evaluating proficiency, wherein comprehension questions are not required. This method assesses a learner＇s reading proficiency on the basis of the linguistic features of the text and the learner＇s reading time. A reading model following this method predicted reading proficiency with an ER （error rate） of 18.2%. This ER is lower than those of models proposed in previous studies. Furthermore, the ER of the authors＇ reading model for various learner groups classified by their RS （reading speeds） was examined. The result of this examination showed that the error rate was the lowest for the group of learners with fast RS. 相似文献
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Jang K Xu Y Tanaka Y Sato K Mawatari K Konno T Ishihara K Kitamori T 《Biomicrofluidics》2010,4(3):32208
Recently, interest in single cell analysis has increased because of its potential for improving our understanding of cellular processes. Single cell operation and attachment is indispensable to realize this task. In this paper, we employed a simple and direct method for single-cell attachment and culture in a closed microchannel. The microchannel surface was modified by applying a nonbiofouling polymer, 2-methacryloyloxyethyl phosphorylcholine (MPC) polymer, and a nitrobenzyl photocleavable linker. Using ultraviolet (UV) light irradiation, the MPC polymer was selectively removed by a photochemical reaction that adjusted the cell adherence inside the microchannel. To obtain the desired single endothelial cell patterning in the microchannel, cell-adhesive regions were controlled by use of round photomasks with diameters of 10, 20, 30, or 50 μm. Single-cell adherence patterns were formed after 12 h of incubation, only when 20 and 30 μm photomasks were used, and the proportions of adherent and nonadherent cells among the entire UV-illuminated areas were 21.3%±0.3% and 7.9%±0.3%, respectively. The frequency of single-cell adherence in the case of the 20 μm photomask was 2.7 times greater than that in the case of the 30 μm photomask. We found that the 20 μm photomask was optimal for the formation of single-cell adherence patterns in the microchannel. This technique can be a powerful tool for analyzing environmental factors like cell-surface and cell-extracellular matrix contact. 相似文献
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Abstract Reflecting on a personal experience of ‘pre‐professional’ university education and reluctant engagement with Cultural Studies as an academic project, this article examines the now ambiguous role of undergraduate education under neo‐liberal management regimes. Arguing that a ‘new class politics in knowledge’ is emerging with the transnational policy‐sharing and international student exchange schemes with which diverse governmental cultures are responding to globalization, Morris suggests that the undergraduate classroom is becoming a ‘frontier’ of struggle over the future. Teaching cultural studies to undergraduates in a liberal arts environment is one way in which the discipline's emphasis on local knowledge can be put to institutionally creative uses. 相似文献
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Kihoon Jang Yo Tanaka Jun Wakabayashi Reina Ishii Kae Sato Kazuma Mawatari Mats Nilsson Takehiko Kitamori 《Biomicrofluidics》2012,6(4)
Demand for analysis of rare cells such as circulating tumor cells in blood at the single molecule level has recently grown. For this purpose, several cell separation methods based on antibody-coated micropillars have been developed (e.g., Nagrath et al., Nature 450, 1235–1239 (2007)). However, it is difficult to ensure capture of targeted cells by these methods because capture depends on the probability of cell-micropillar collisions. We developed a new structure that actively exploits cellular flexibility for more efficient capture of a small number of cells in a target area. The depth of the sandwiching channel was slightly smaller than the diameter of the cells to ensure contact with the channel wall. For cell selection, we used anti-epithelial cell adhesion molecule antibodies, which specifically bind epithelial cells. First, we demonstrated cell capture with human promyelocytic leukemia (HL-60) cells, which are relatively homogeneous in size; in situ single molecule analysis was verified by our rolling circle amplification (RCA) method. Then, we used breast cancer cells (SK-BR-3) in blood, and demonstrated selective capture and cancer marker (HER2) detection by RCA. Cell capture by antibody-coated microchannels was greater than with negative control cells (RPMI-1788 lymphocytes) and non-coated microchannels. This system can be used to analyze small numbers of target cells in large quantities of mixed samples. 相似文献
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Takayoshi Yoshioka Hitoshi Nishizawa Takehiko Tsukamoto 《Community College Journal of Research & Practice》2013,37(5-6):373-378
This article describes a method used to provide mathematics students in colleges of engineering in Japan with supplementary exercises to aid in their learning. The impact of this effort is also described. An online support function enables instructional personnel to individualize the exercise for students whose abilities vary widely. Individualizing exercises helps students to understand a mathematical method used to solve a problem and also the mathematical idea or concept upon which the method is based. The program described here consists of activities that supplement those in the regular lesson. They are designed to help those students who failed to meet certain course objectives or to solve the problems given in the lesson. Students using the individualized program are allowed to select the problems from among the problem exercises available based on the course objectives that they have not yet satisfied. The online support function of the learning environment that the authors developed assists teaching personnel in the otherwise time-consuming preparation of individualizing these activities. Students determine how well they did on the objectives in the regular lesson by visting the Web page for the course. Information is provided on the impact of the activities on student performance in a fundamental mathematics course in the authors college. 相似文献
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Immunoassay is one of the important applications of microfluidic chips and many methodologies were reported for decreasing sample∕reagent volume, shortening assay time, and so on. Micro-enzyme-linked immunosorbent assay (micro-ELISA) is our method that utilizes packed microbeads in the microfluidic channel and the immunoreactions are induced on the beads surface. Due to the large surface-to-volume ratio and small analytical volume, excellent performances have been verified in assay time and sample∕reagent volume. In order to realize the micro-ELISA, one of the important processes is the immobilization of antibody on the beads surface. Previously, the immobilization process was performed in a macroscale tube by physisorption of antibody, and long time (2 h) and large amount of antibody (or high concentration) were required for the immobilization. In addition, the processes including the reaction and washing were laborious, and changing the analyte was not easy. In this research, we integrated the immobilization process into a microfluidic chip by applying the avidin-biotin surface chemistry. The integration enabled very fast (1 min) immobilization with very small amount of precious antibody consumption (100 ng) for one assay. Because the laborious immobilization process can be automatically performed on the microfluidic chip, ELISA method became very easy. On-demand immunoassay was also possible just by changing the antibodies without using large amount of precious antibodies. Finally, the analytical performance was investigated by measuring C-reactive protein and good performance (limit of detection <20 ng∕ml) was verified. 相似文献
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