h i g h l i g h t sInvestigation of conditions associated with teachers' in-depth discussions. Focus on teacher communities of inquiry in a professional development initiative. Using unique methodological approach: Qualitative Comparative Analysis. Single purpose was a necessary condition associated with in-depth discussion. Coach questions and connecting theory and practice were also associated conditions. a b s t r a c t This paper examines factors that contributed to critical conversations in teacher communities of inquiry (CI) as part of a statewide professional development initiative in the United States. Based on a three-year mixed method design, we use qualitative comparative analysis to investigate the influence of combinations of conditions on the depth of discussion. Results suggest that there were three conditions associated with the extent to which CI members engaged in discussions with substantive interaction and reflection: a clear purpose, coach questioning, and the connection of theory to practice. The findings contribute to the understanding of effective reform implementation in different contexts.
This is the first part of a two part paper that describes the results of an experimental investigation to measure the aerodynamic pressure forces on structures in the vicinity of railway tracks. The investigations were carried out in order to obtain a fundamental understanding of the nature of the phenomenon and to obtain data for a variety of railway infrastructure geometries of particular relevance to the GB situation, in order to provide material for a National Annex to the relevant Eurocode. The experiments were carried out on the moving model TRAIN Rig, with models of three different sorts of trains with different nose types, and a variety of infrastructures typesvertical hoardings, overbridges, station canopies and trestle platforms. The transient loads that were measured had a characteristic forma positive pressure peak followed by a negative pressure peak. In general the magnitudes of the two peaks were different, and varied with infrastructure type and position, as well as with train type. As would be expected, the more streamlined the train, the lower were the magnitudes of the pressure transients. A comparison of the experimental results was made with a variety of existing model scale and full scale data and a broad consistency was demonstrated, within the limits that the rather different experimental conditions in the various cases would allow. An analysis of the scaling of these pressure transients was carried out, and it was shown that whilst there was a reasonable collapse around a theoretical formulation, the complexity of the flows involved meant that a general scaling formulation could not be achieved. Part 2 of this paper will consider the application of the results to the development of revised standards formulations.
Background/Context Teachers face many different problems in teaching. Traditionally, research examines the complexity of teaching students and content by focusing on a teacher's physical space and influencing factors therein. While established conceptions of curricular enactment suggest that instructional materials shape both the intended and enacted curriculum, the materials themselves are traditionally conceived of as those that the district officially adopts (e.g., textbooks) or creates (e.g., curricular pacing guides). Yet, in 21st-century schools, a new era of information and technology presides. Facilitated by the cloud, teachers’ professional learning and interactions meld with a global network of colleagues, extending to community of practices online and curating instructional resources therein. In particular, the use of social media to broaden and deepen teachers’ access to instructional resources is a potentially transformative and yet disruptive phenomenon that has implications for classroom instruction. Narrowly focusing on districts’ official curriculum and its enactment by the teacher as an individual who is shaped by (but does not shape) her school landscape may not, in fact, fully reflect teacher professionalism today and account for teachers’ professional life in the social continuum from cloud to class. Purpose/Objective/Research Question/Focus of Study Situated in the conceptualization of managing problems in teaching and curating online resources as informal learning for the intended and enacted curriculum, this article builds on and extends these lines of research to examine teachers’ leverage of social capital—social network among individuals and resources available to people within their social network—from the virtual space to solve the problems common to teaching. Through this empirical illustration of resource diffusion from cloud to class, and how the curation of resource is integrated with teachers’ curriculum planning as well as classroom practices, we present a unique way of understanding teachers’ management of teaching problems in 21st-century schooling. Research Design We collected various types of data from 67 early-career teachers in one Midwestern state, including interviews, observation, and survey. We drew primarily on the interview data to exemplify our conceptual model of curation to address the problems of teaching. The three curation processes we identified are: (1) self-directed curation, (2) incidental curation, and (3) socialized curation. We observed more empirical evidence on the self-directed curation process in our data and chose to select a single case to go into further detail about the enactment of online resource in the classroom using the observation data, in additional to the interview data. We analyzed the case by specifying the perceived problems of teaching in one teacher's preparation to teach and how the curated resources from Teachers Pay Teachers were adopted and adapted to manage each of the problems, and the teacher's rationale for the decisions she made during the planning. We noticed, in this case and in other data that we have across teachers, that teachers rarely, if ever, directly articulate the curation of online resource for preserving classroom order, among the four endemic problems identified in the literature. Last, we examined the enactment of the online resource by describing teachers’ instructional practices in relation to her perceived ways of managing the problems of teaching. We also examined the resulting student learning in the mathematics lesson we analyzed. The single case of one teacher serves as an empirical illustration of how teachers could curate resources from the cloud in their planning and enactment of curriculum. Conclusions/Recommendations At the core of this study, we see teachers taking up their agency and drawing on a particular type of social capital resource to manage their enduring problems of teaching. We identified the different paths that teachers’ social capital may travel and accrue, and we argue for the importance of the community of practice online in the facilitation of resource flow from the cloud to the classroom. Also, we used a mathematics teacher's planning and enactment of instructional resources attained from the cloud for a three-day lesson series as an example to demonstrate how perceptions of teaching problems and curations of materials can culminate in a teacher's actual practices and impact student learning in the classroom. Our work has several implications for the field. First, although the different problems in teaching are well documented, teachers tend to seek out social capital resources from the virtual spaces to address some, but not all, of their problems. Specifically, preserving classroom order has not been present in our analysis of teachers’ articulation of their perceived problems for curation. Future studies can add more understanding to the online resources used in relation to teachers’ modes of curation and the type of teaching problems they hope to address. Second, the process of accessing the instructional resources, as delineated in the three modes of curation, demonstrates the complexity of the social network and social capital accrual mechanism in the 21st century, through which teachers’ professional communities expand beyond the school walls. Third, our work presents the considerations and thought processes of teachers’ curation of instructional materials in virtual spaces and enactment of the tasks. The combination of social capital resources and classroom processes in this study provides the foundation for researchers with different perspectives to further investigate the emerging phenomenon of social media and education.
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