ROR: https://ror.org/01c3xc117 , https://ror.org/00jmfr291 , https://ror.org/00rx1p510 , https://ror.org/047hjdt67 , https://ror.org/035wtm547
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RRID: RRID:nlx_80572 , RRID:SCR_011668
ROR: https://ror.org/01c3xc117 , https://ror.org/00jmfr291 , https://ror.org/00rx1p510 , https://ror.org/047hjdt67 , https://ror.org/035wtm547
FundRef: 100006652 , 100009539 , 100005543 , 100005953 , 100007270 , 100006416 , 100006790 , 100008557 , 100006801 , 100008269 , 100011232 , 100009877 , 100008455 , 100008456 , 100005949 , 100005993 , 100008115 , 100005476 , 100008192
ISNI: 0000000086837370 , 0000000419367347 , 0000000091345741 , 0000000121547652 , 0000000093610916 , 0000000090011168
RRID: RRID:nlx_80572 , RRID:SCR_011668
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We propose to develop and validate measures of accountability to be shared with the Nepal Ministry of Education (MOE) and to use those measures in an analysis of the determinants of accountability and its association with students' gains in achievement. The proposed study will build on the resources of the Chitwan Valley Family Study (CVFS), a 20-year ongoing panel study of 116 schools with 3,000 households with 3,500 school aged children in 151 communities located throughout the Western Chitwan Valley of Nepal. With funding from DFID-ESRC, we are proposing to achieve two aims: Aim One: To Develop and Pretest a Suite of Nepali Accountability Assessment Tools (NAATs) for Use by the MOE and to Pilot these Tools within the Chitwan Valley of Nepal. Importantly, the tools will be designed so that Nepal's MOE can both assess and potentially improve its current accountability processes at multiple levels of the increasingly decentralized Nepalese education system [4]. To achieve this aim we will: (1) develop a variety of accountability assessment tools for use in Nepal's education system; (2) modify a set of instructional processes and instructional quality measures developed for use in OECD countries for use in the Nepali educational system; and (3) gather data on students' academic achievement using standardized test items developed by Nepal's MOE. Aim Two: To Investigate How Accountability Processes; Environments for Student Learning in Schools, Families, and Communities; and Student Learning are Related. This involves investigating three main research questions: Are accountability processes systematically related to socioeconomic disparities among communities, schools within communities, and families within schools? In school and community settings where accountability processes are more intensive, is the quality of instructional service delivery higher? And, controlling for socioeconomic disparities related to student achievement is student learning higher in schools and communities where accountability processes are more intensive? To meet this aim, we will: (1) administer a newly designed PET-QSDS survey to 380 key stakeholders; (2) administer the NASA test at the beginning and end of the school year and a student survey to 1,740 8th graders; and (3) administer a teacher survey to 1,392 teachers and a parent survey to 1,740 parents. The results of this research will be relevant to education policy makers in Nepal and will also contribute directly to comparative education research on school effectiveness. This study will generate rigorous scientific outcomes: (1) development of a low income context adaptive accountability assessment tool; (2) cross-cultural assessment of the reliability and predictive validity of accountability measures; (3) identification of contextual factors with strong correlation with accountability; (4) potential for identification of new dimensions of accountability in low income settings; and (5) scientific advancement in our understanding of the relationship between accountability, instructional quality and students' gains in achievement. These outcomes will be made widely available to scientists and policy makers. First, we will conduct dissemination workshops at local and national levels to share findings of the study and provide training on the use of the newly designed accountability assessment tool and analysis of the data generated through the various surveys mentioned above. Second, the data will be made available through ICPSR and the UK Data Service. Third, the findings will be disseminated through presentations at national and international conferences and published in scientific articles, and research and policy briefs. Finally, the participation of Nepali faculty, scientists, government representatives and school authorities throughout the project will advance the scientific and analytical capacity of their respective host institutions (DOE,TU, PABSON, PDs).
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--- Overview Traditional control theorists are concerned with high-level control algorithms and their high-level properties such as convergence, robustness and performance. Notably, they typically assume all calculations are done with real numbers, and do not pay as much attention to the concrete implementation of their control algorithms, or to issues such as precise programming language semantics, or to errors introduced by machine arithmetic. In the CAFEE project, we aim to bridge the gap between control theory and low-level implementations, by providing typical control theory guarantees on the implementation rather than on a high-level algorithm. Overall, the CAFEE research project aims to achieve comprehensive end-to-end verification of control systems, encompassing high-level hybrid models down to the verification of embedded C code, thereby establishing a comprehensive framework for end-to-end verification of control systems. --- Intellectual Merit The CAFEE project will consist of 5 different work-packages. In the first work-package, we will provide an integrated approach for simple linear discrete-time systems, including the design of and end-to-end process achieving verification at all stages, with discrete-time plant semantics. In the second work-package, we will extend the work to focus on hybrid systems consisting of a continuous-time plant dynamics and a discrete-time controller one. While typical control engineers work either with pure continuous-time or pure discrete-time models for verification purpose, the actual system combines both paradigms. We will define a proper semantics model for these hybrid systems, and develop new verification means to reason on these closed loop systems. In the third work-package, we will consider control algorithms that rely on optimization routines, such as model predictive control. Little verification work has been done in this context, and we plan to leverage some of our recent work and develop verification techniques that can be applied to such optimization routines. Our fourth work-package will be an integration task that will focus on numerical accuracy using machine arithmetic, and will integrate the first three work-packages in this context. Verification will then be performed at model level and all along the development cycle, relying on autocoding and target the final hardware platform, considering numerical accuracy of computation. Finally our fifth work-package will apply our techniques on three different applications: car collision avoidance, aircraft collision avoidance, and spacecraft docking. --- Broader Impacts The CAFEE project will build a formal framework enabling full end-to-end verification of control algorithms, with respect to their formal specification. This framework will be released open-source and available to use by academic, government and industrial partners alike. We already work closely with several government agencies (CNES, NASA) and industrial partners (Collins Aerospace, Toyota), and will continue to do so to help with our design. Our government and industrial relationships will ensure technological transfer to those partners. We will also integrate the use of our framework in classes. Another broader impact of the project will be to bring closer together the formal methods community and the traditional control theory community. By bringing together those communities closer, we hope to raise awareness among the control community of such software issues as programming-languages arithmetic and machine precision (both fixed-point and floating-point). Conversely, the formal methods community will learn about the concerns of the controls community, as well as concrete ways to mitigate potential errors, such as using precise robustness measures in the design of control systems. The papers stemming from the project will be published and presented at a combination of formal methods venues and control theory venues.
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