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991.
992.
Deborah Hanuscin Kelsey Lipsitz Dante Cisterna-Alburquerque Kathryn A. Arnone Delinda van Garderen Zandra de Araujo Eun Ju Lee 《Journal of Science Teacher Education》2016,27(4):393-414
The ‘conceptual storyline’ of a lesson refers to the flow and sequencing of learning activities such that science concepts align and progress in ways that are instructionally meaningful to student learning of the concepts. Research demonstrates that when teachers apply lesson design strategies to create a coherent science content storyline, student learning is positively impacted (Roth et al., 2011). Because the conceptual storyline is often implicit within a lesson, and teachers often have difficulty articulating this aspect of lesson design (Lo et al., 2014), our professional development program engages elementary teachers in analyzing and developing graphic representations of a lesson’s conceptual storyline to make that element explicit. In this exploratory study, we present typologies that represent two primary challenges teachers faced in developing coherent conceptual storylines in their lesson design, and examine the extent to which professional development enhanced their capacity to develop a coherent conceptual storyline. 相似文献
993.
Spin flash dryer has the advantages of both fluidized bed dryer and pneumatic dryer. It has predominance in dealing with thermal sensitive materials. In this paper, the distribution of the air velocity in the spin flash dryer is discussed,which indicates that the rotating air in the dryer chamber can be divided into two areas,potential flow area and plane swirl area. Experiments show that air tangent velocity effects the process of granulation most remarkably. The radial distribution and moisture content of the particles have their intrinsic rules along either the diameter or height of the drying chamber. Besides, the operating parameters of predrying on bleaching powder are optimized. To meet the strict standard of the wet-pressing granulator on the moisture content of the feeder,a narrow lap is made at proper height in the wall of the drying chamber,where a chute and a rotating valve are installed in order to predry the filter cake and remove a part of water. Then the material is fed into the wet-pressing granulator. 相似文献
994.
Kate de Bruin 《International Journal of Inclusive Education》2019,23(7-8):811-826
ABSTRACTWhen the Salamanca Statement called upon States to recognise the ‘necessity and urgency’ of providing students with a disability access to the regular education system (UNESCO 1994, viii), both Australia and the United States of America had existing legislative and policy documents articulating the rights of students with a disability to access regular education. Since that time both countries have clarified and amended their respective laws and policies, and signed the Convention on the Rights of Persons with Disabilities (UN 2006) which urges States to reallocate resourcing to inclusive education, and to reduce segregation. In this article, I examine the policy reforms in each country and analyse aggregated and disaggregated student placement data within each context to consider the impact of these reforms for different groups of students. Results show that the different reform journeys in each context produced different outcomes for students in each country, with segregation increasing in Australia and decreasing in the USA. The results also suggest that the impact of these policies has not been proportionate across categories as students on the Autism Spectrum are more likely to experience educational segregation or exclusion in both countries. 相似文献
995.
Hemispheric asymmetry in a face discrimination task in infants 总被引:1,自引:0,他引:1
A right-hemisphere advantage in a mother's face recognition task in infants aged between 4 and 10 months was found to exist by de Schonen, Gil de Diaz, and Mathivet. The present study was designed to test (a) whether the right-hemisphere advantage would still prevail if the task requirements were different from those in the previous study, and (b) whether any information was communicated from one hemisphere to the other. 18-42-week-old infants were presented with an operant conditioning situation where they had to discriminate between their mother's and a stranger's face within one visual hemifield. Transfer of learning from one visual hemifield to the other was also measured. The results confirm the existence of a right-hemisphere advantage in discriminating between face stimuli. This advantage was weaker in the female than in the male population. No hemispheric transfer of learning was observed to occur. 相似文献
996.
This paper highlights how a developing country like the Philippines incarnates a learner-centered approach in its overall education framework. Specifically, key policies and strategies relative to curriculum development, pedagogical issues, educational innovation and evaluation, professional development of teachers and school-community dynamics are discussed on the basis of the platform of hermeneutics of retrieval, the hermeneutics of the actual and the hermeneutics of the potential.
相似文献
997.
998.
Forgetting about Friendship: Using Conflict in Teacher Communities as a Catalyst for School Change 总被引:1,自引:0,他引:1
Jorge Ávila de Lima 《Journal of Educational Change》2001,2(2):97-122
It is widely recognized that teacher communities figure among the most vital factors for promoting educational change within schools. While there is widespread consensus on the idea of collegiality as an instrument for promoting and sustaining change, scholars are much less clear on the characteristics that teachers' professional communities within schools must possess in order to promote and sustain such change. This paper discusses the role of friendship and conflict in teacher communities and argues for a rethinking of the way the intermingling of professional and interpersonal ties in schools contributes to school change. 相似文献
999.
The dominant theoretical approach to causal learning postulates the acquisition of associative weights between cues and outcomes.
This reduction of causal induction to associative learning implies that learners are insensitive to important characteristics
of causality, such as the inherent directionality between causes and effects. An ongoing debate centers on the question of
whether causal learning is sensitive to causal directionality (as is postulated by causal-model theory) or whether it neglects
this important feature of the physical world (as implied by associationist theories). Three experiments using different cue
competition paradigms are reported that demonstrate the competence of human learners to differentiate between predictive and
diagnostic learning. However, the experiments also show that this competence displays itself best in learning situations with
few processing demands and with convincingly conveyed causal structures. The study provides evidence for the necessity to
distinguish between competence and performance in causal learning. 相似文献
1000.
Amélie Courtinat-Camps Line Massé Myriam de Léonardis Valérie Capdevielle-Mougnibas 《Roeper Review》2017,39(1):24-36
The objective of this research is to understand the diversity of gifted students’ self-representations through self-portrait analysis. Two hundred twenty-seven French gifted students (intelligence quotient ≥ 130; 45 girls, 182 boys), aged from 9 to 15 years completed the GPS instrument (Genèse des Perceptions de Soi [Genesis of the Self-Concept]). The authors analyzed data with ALCESTE content analysis software (Reinert, 2003). Using a descending hierarchical classification, results suggested a distinct six-class solution, as well as differences between classes depending on degree of academic achievement, age, type of schooling, and gender. These results do not support the notion that gifted students represent a homogeneous population in regard to their self-perceptions. 相似文献