Science

Exploring COVID and the Effects on U.S. Education: Evidence from a National Survey of American Households

This study aims to understand parents' perspectives on the educational impacts of COVID-19 by leveraging a nationally representative, longitudinal study, the Understanding America Study (UAS). The study will track educational experiences during the summer of 2020 and into the 2020-21 school year and analyze outcomes overall and for key demographic groups of interest.

Award Number: 
2037179
Funding Period: 
Wed, 07/15/2020 to Wed, 06/30/2021
Full Description: 

The COVID-19 epidemic has been a tremendous disruption to the education of U.S. students and their families, and early evidence suggests that this disruption has been unequally felt across households by income and race/ethnicity. While other ongoing data collection efforts focus on understanding this disruption from the perspective of students or educators, less is known about the impact of COVID-19 on children's prek-12 educational experiences as reported by their parents, especially in STEM subjects. This study aims to understand parents' perspectives on the educational impacts of COVID-19 by leveraging a nationally representative, longitudinal study, the Understanding America Study (UAS). The study will track educational experiences during the summer of 2020 and into the 2020-21 school year and analyze outcomes overall and for key demographic groups of interest.

Since March of 2020, the UAS has been tracking the educational impacts of COVID-19 for a nationally representative sample of approximately 1,500 households with preK-12 children. Early results focused on quantifying the digital divide and documenting the receipt of important educational serviceslike free meals and special education servicesafter COVID-19 began. This project will support targeted administration of UAS questions to parents about students' learning experiences and engagement, overall and in STEM subjects, data analysis, and dissemination of results to key stakeholder groups. Findings will be reported overall and across key demographic groups including ethnicity, disability, urbanicity, and socioeconomic status. The grant will also support targeted research briefs addressing pressing policy questions aimed at supporting intervention strategies in states, districts, and schools moving forward. Widespread dissemination will take place through existing networks and in collaboration with other research projects focused on understanding the COVID-19 crisis. All cross-sectional and longitudinal UAS data files will be publicly available shortly after conclusion of administration so that other researchers can explore the correlates of, and outcomes associated with, COVID-19.

Incorporating Professional Science Writing into High School STEM Research Projects

The goal of this project is to expand high school student participation in the peer-review process and in publishing in JEI, a science journal dedicated to mentoring pre-college students through peer-reviewed publication. By publishing pre-college research in an open access website, the project will build understanding of how engaging in these activities can change high school students' perceptions and practices of scientific inquiry.

Lead Organization(s): 
Award Number: 
2010333
Funding Period: 
Wed, 07/15/2020 to Fri, 06/30/2023
Project Evaluator: 
Maya Patel
Full Description: 

This exploratory project addresses important challenge of incorporating disciplinary literacy practices in scientific inquiry projects of high school students. The project will incorporate the peer-review process and publication in the Journal of Emerging Investigators (JEI). The Next Generation Science Standards emphasize constructs from disciplinary literacy such as engaging in argument from evidence, and evaluating and communicating information. However, there are few resources available to students and teachers that integrate these constructs in authentic forms that reflect the practices of professional scientists. High school student learners engage in scientific inquiry, but rarely participate in authentic forms of communication, forms that are reflective of how scientists communicate and participate in the primary literature of their fields. The project has three aims: 1) Generate knowledge of the impact of peer-review and publication on perceptions and skills of scientific inquiry and STEM identity, 2) Generate knowledge of how participation in peer-review and publication are impacted by contextual factors (differences in mentors and research contexts), and 3) Develop JEI field-guides across a range of contexts in which students conduct their research.

The goal of the project is to expand high school student participation in the peer-review process and in publishing in JEI, a science journal dedicated to mentoring pre-college students through peer-reviewed publication. By publishing pre-college research in an open access website, the project will build understanding of how engaging in these activities can change high school students' perceptions and practices of scientific inquiry. The project will investigate how participation in peer-reviewed publications will have an impact on student learning by administering a set of pre- and post-surveys to students who submit a paper to JEI. The project will expand student participation in JEI via outreach to teachers in under-resourced and remote areas by delivering virtual and in-person workshops which will serve to demystify peer review and publication, and explore ways to integrate these processes into existing inquiry projects. Other efforts will focus on understanding how student contextual experiences can impact their learning of scientific inquiry. These student experiences include the location of the project (school, home, university lab), the type of mentor they have, and how they became motivated to pursue publication of their research. The project will recruit students from under-resourced schools in New York through a collaboration with MathForAmerica and from rural areas through outreach with STEM coordinators in the Midwest. The resources created will be disseminated directly on the JEI website.

From Access to Sustainability: Investigating Ways to Foster Sustainable Use of Computational Modeling in K-12 Science Classrooms

This project investigates how to support sustained engagement in computational modeling in middle school classrooms in two ways: 1) Design and develop an accessible modeling toolkit and accompanying thematically linked curricular units; and, 2) Examine how this toolkit and curriculum enable students to become sophisticated modelers and integrate modeling with other scientific practices such as physical experimentation and argumentation.

Award Number: 
2010413
Funding Period: 
Wed, 07/15/2020 to Fri, 06/30/2023
Full Description: 

Modeling is a core scientific activity in which a difficult-to-observe phenomenon is represented, e.g., visually or in a computer program. Research has shown that sustained experience with modeling contributes to sophisticated understanding, learning, and engagement of scientific practices. Computational modeling is a promising way to integrate computation and science learning. Yet computational modeling is not widely adopted in science classrooms over sustained periods of time because of difficulties such as the time required for students to become adept modelers, the need to better integrate computational modeling with other scientific practices, and the need for teachers to experience agency in using these modeling tools. This Design and Development project investigates how to support sustained engagement in computational modeling in middle school classrooms in two ways: 1) Design and develop an accessible modeling toolkit and accompanying thematically linked curricular units; and, 2) Examine how this toolkit and curriculum enable students to become sophisticated modelers and integrate modeling with other scientific practices such as physical experimentation and argumentation. The project will contribute to the conversation around how to support students and teachers to incorporate computational modeling together with valued scientific practices into their classrooms for sustained periods. For three years, the project will work with six sixth and seventh grade teachers and approximately 400 students.

Through iterative cycles of design-based research, the project will design a computational modeling tool and six curricular units for sixth and seventh-grade students. The team will work closely with two teacher co-designers to design and develop each of the six curricular units. The goal is to investigate: 1) How students become sophisticated modelers as they shift from using phenomenon-level primitives to unpacking and modifying these primitives for extended investigations; 2) How classroom norms around computational modeling develop over time. Specifically, how do student models become objects for classroom reflection and how students integrate modeling into other practices such as explanation and argumentation; 3) How data from physical experiments support students in constructing and refining models; and, 4) How sustained engagement supports students' conceptual learning and learning to model using computing tools. The team will collect and analyze video and written data, as well as log files and pre/posttests, to examine how communities of students and teachers adopt computational modeling as an integral practice in science learning. For video and text analysis, the team will use qualitative coding to detect patterns before, during, and after the activities. For the examination of logfiles from the software, the project will use learning analytics techniques such as the classification and clustering of students' sequences of actions. Finally, the team will also conduct pre/post-tests on both content and meta-modeling skills, analyzing the results with standard statistical tests.

A Quantitative Synthesis of Research on Elementary Science Programs

The goal of this project is to conduct a meta-analysis to assist in establishing a solid base of evidence to inform further research, practice, and policy in the area of early science education. The project will bring up-to-date the meta-analysis literature in the area of early science education.

Lead Organization(s): 
Award Number: 
2006179
Funding Period: 
Wed, 07/01/2020 to Wed, 06/30/2021
Full Description: 

The success of all students in science has become a priority, as the economic future depends on a workforce that is capable in science, mathematics, technology, and engineering. One area of emphasis has been on elementary science, where children's early attitudes and orientations about science are formed. Given the growth of high-quality evaluations of elementary science programs in recent years and the need to know what works in science education, an up-to-date review identifying effective programs and malleable factors in elementary science is needed. The goal of this project is to conduct a meta-analysis to assist in establishing a solid base of evidence to inform further research, practice, and policy in the area of early science education. The previous meta-analysis completed by this team published findings from approximately ten years ago. This project will bring up-to-date the meta-analysis literature in the area of early science education.

The review methods in the proposed quantitative synthesis on elementary science programs will be similar to those used by the What Works Clearinghouse. The focus of the review procedures is on timeliness, comprehensiveness, transparency, and minimizing bias. The goal of the project is to obtain and synthesize the entire literature evaluating elementary science programs to discover what works, for whom, and under what conditions. The team will systematically review the literature available in English between 2010 and 2021 to locate every study that meets well-established and accepted standards. Second, studies are grouped by categories, to look for patterns among effect sizes across studies. The team will use meta-regression techniques to test statistical significance of the categories and will explore cross-cutting substantive and methodological factors, as well as key moderators and mediators. The team will communicate findings to many audiences, including scholarly journals, practitioner journals, and the public.

Developing Teachers' Epistemic Cognition and Teaching Practices for Supporting Students' Epistemic Practices with Scientific Systems

This project uses a new theoretical framework that specifies criteria for developing scientific thinking skills that include the value that people place on scientific aims, the cognitive engagement needed to evaluate scientific claims, and the scientific skills that will enable one to arrive at the best supported explanation of a scientific phenomenon.

Lead Organization(s): 
Award Number: 
2009803
Funding Period: 
Wed, 07/01/2020 to Sun, 06/30/2024
Full Description: 

This project aims to investigate needs and challenges in developing an informed public able to evaluate empirical evidence generated from scientific activities. At the core of this research are two intertwined issues: (1) epistemic practices--how people acquire knowledge of science and how they evaluate knowledge sources; and (2) how people improve their abilities to evaluate these knowledge sources so as to improve their abilities to develop and use scientific knowledge. While much science education research has focused on helping students develop these abilities such as through scientific argumentation and modeling (hereafter referred to as scientific thinking), much less research has focused on how teachers acquire this understanding and how their understanding informs their instruction. Until recently, the science education field has lacked a comprehensive framework to support the acquisition, evaluation, and use of scientific knowledge sources. This project uses a new theoretical framework that specifies criteria for developing these scientific thinking skills that include, among others, the value that people place on scientific aims, the cognitive engagement needed to evaluate scientific claims, and the scientific skills that will enable one to arrive at the best supported explanation of a scientific phenomenon. The project will work with high school biology teachers to investigate their own understanding of scientific thinking, how it can be improved through professional development, and how this improvement can translate into practice to support student learning.

The project will work with 20 teachers and classrooms that will impact approximately 1500 to 3000 students. Teachers will act as design collaborators in three iterations of design and development activities with a goal to produce effective professional development supports with proven student outcomes that can be broadly disseminated. Data collection each year will entail: (1) 40 to 60 video-recordings of teacher instruction and student interactions; (2) Content and pedagogical content knowledge surveys from teachers and students; (3) Teacher pre- and post-interviews; and (4) Teacher and student artifacts that demonstrate the extent to which scientific thinking has been achieved. The data will be analyzed through a mixed-methods approach. Qualitative data will be analyzed through validated coding manuals that specify a range of abilities in scientific thinking. Likert-scale and open-ended survey questions will be used to measure changes in instruction and learning outcomes in various factors related to the research goals.

Opening Pathways into Engineering through an Illinois Physics and Secondary Schools Partnership

The Illinois Physics and Secondary Schools (IPaSS) Partnership Program responds to disparities in student access to high-quality, advanced physics instruction by bringing together Illinois high school physics teachers from a diverse set of school contexts to participate in intensive PD experiences structured around university-level instructional materials.

Award Number: 
2010188
Funding Period: 
Sat, 08/01/2020 to Wed, 07/31/2024
Full Description: 

This project will conduct research and teacher professional development (PD) to adapt university-level instructional materials for implementation by high school teachers in their physics courses. Access to high-quality, advanced physics instruction in high school can open pathways for students to attain university STEM degrees by preparing them for the challenges faced in gatekeeping undergraduate physics courses. Yet, across the nation, access to such advanced physics instruction is not universally available, particularly in rural, urban, and low-income serving districts, in which instructional resources for teachers may be more limited, and physics teacher isolation, under-preparation and out-of-field teaching are most common. The Illinois Physics and Secondary Schools (IPaSS) Partnership Program responds to these disparities in student access by bringing together Illinois high school physics teachers from a diverse set of school contexts to participate in intensive PD experiences structured around university-level instructional materials. This program will help teachers adapt, adopt, and integrate high-quality, university-aligned physics instruction into their classrooms, in turn opening more equitable, clear, and viable pathways for students into STEM education and careers.

The IPaSS Partnership Program puts education researchers, university physics instructors, and teacher professional development staff at the University of Illinois at Urbana-Champaign (U of I) in collaboration with in-service high school physics teachers to adapt university physics curricula and pedagogies to fit the context of their high school classrooms. The project will adapt two key components of U of I's undergraduate physics curriculum for high school use by: (1) using a web-based "flipped" platform, smartPhysics, which contains online pre-lectures, pre-labs and homework and (2) using research-based physics lab activities targeting scientific skill development, utilizing the iOLab wireless lab system - a compact device that contains all sensors necessary for hundreds of physics labs with an interface that supports quick data collection and analysis. The program adopts two PD elements that support sustained, in-depth teacher engagement: (1) incremental expansion of the pool of teachers to a cohort of 40 by the end of the project, with a range of physics teaching assignments and work collaboratively with a physics teaching community to develop advanced physics instruction for their particular classroom contexts, (2) involvement in a combination of intensive summer PD sessions containing weekly PD meetings with university project staff that value teachers' agency in designing their courses, and the formation of lasting professional relationships between teachers. The IPaSS Partnership Program also addresses needs for guidance, support and resources as teachers adapt to the shifts in Advanced Placement (AP) Physics standards. The recent revised high school physics curriculum that emphasizes deep conceptual understanding of central physical principles and scientific practices will be learned through the inquiry-based laboratory work. The planned research will address three central questions: (1) How does IPaSS impact teachers' practice? (2) Does the program encourage student proficiency in physics and their pursuit of STEM topics beyond the course? (3) What aspects of the U of I curricula must be adapted to the structures of the high school classroom to best serve high school student populations? To answer these questions, several streams of data will be collected: Researchers will collect instructional artifacts and video recordings from teachers' PD activities and classroom teaching throughout the year to trace the development of teachers' pedagogical and instructional development. The students of participating teachers will be surveyed on their physics knowledge, attitudes, and future career aspirations before and after their physics course, video recordings of student groupwork will be made, and student written coursework and grades will be collected. Finally, high school students will be surveyed post-graduation about their STEM education and career trajectories. The result of this project will be a community of Illinois physics teachers who are engaged in continual development of advanced high school physics curricula, teacher-documented examples of these curricula suited for a range of school and classroom contexts, and a research-based set of PD principles aimed at supporting students' future STEM opportunities and engagement.

SPIRAL: Supporting Professional Inquiry and Re-Aligning Learning through a Structured e-Portfolio System

This project would investigate a new model of professional development for teams of science teachers in grades K-8 who would create electronic portfolios documenting how they taught specific concepts about energy. In addition, teachers would also select evidence of student understanding of the concepts and add those materials to their portfolios. The study focuses on teaching and learning energy core ideas and science practices that are aligned with the Next Generation Science Standards (NGSS).

Award Number: 
2010505
Funding Period: 
Thu, 10/01/2020 to Sat, 09/30/2023
Full Description: 

Professional development for science teachers is often restricted to content required for a single grade level or grade band. Consequently, teachers seldom have the opportunity to discuss evidence of how learning occurs as students pass from grade to grade. This project would investigate a new model of professional development for teams of science teachers in grades K-8 who would create electronic portfolios documenting how they taught specific concepts about energy. In addition, teachers would also select evidence of student understanding of the concepts and add those materials to their portfolios. The study focuses on teaching and learning energy core ideas and science practices that are aligned with the Next Generation Science Standards (NGSS). The core ideas are designed to spiral over grade levels, with each core idea being revisited with more complexity as students advance from grades K to 8. The electronic portfolio will include images of artifacts such as student work samples and videos that reflect students' evolving thinking and discourse about energy topics. As teachers organize, share, and discuss this progression of evidence in professional learning communities guided by the researchers, the goal is to have a vertical electronic display of artifacts that illustrates how learning can occur. The vertically aligned evidence will help other teachers in the school district to gain an increasingly complex understanding of student learning trajectories across grade levels to improve teaching and learning in science classrooms across the district. The project is innovative because its goal is to move beyond the grade-level collaborations typical of professional development practice and literature, toward multi-grade teams of teachers who engage in complex reflection about spiraling core ideas and scientific practices developed by students over time.

The research questions are: 1.) How does participation in a vertical professional learning community (PLC) influence teachers' knowledge and instruction for teaching disciplinary core ideas through engagement in science practices? 2.) In what ways does professional learning about science teaching and learning differ in a vertical PLC, compared to grade-level PLCs? And 3.) How does the use of an electronic portfolio and feedback system influence teachers' learning from a vertical PLC? The study will first work with K-8 teacher leaders in the Little River Unified School District in California where an electronic portfolio system is already in place due to a prior NSF grant. In the first year, the researchers will add new features to the electronic portfolio system to expand its capabilities. Each teacher would provide a 5-day portfolio of lessons in the fall semester of the first year as a baseline measure of instructional practices. The project will focus on NGSS competencies in developing models and constructing explanations for energy concepts. The researchers will measure progress through teacher interviews, surveys, and lesson plans. Teachers will also collect additional artifacts reflecting student-drawn conceptual models and written or oral causal explanations of anchoring phenomena throughout the assigned units. By the end of the study, teachers will collect new 5-day portfolios, to sum up what they have learned and how they are approaching teaching the energy concepts and science practices. Participating teacher leaders will work with the UCLA research team to design and facilitate a series of professional development modules for all science teachers across grades K-8. These modules will use the evidence in the vertical portfolios to illustrate teaching and learning trajectories across K-8 physical science energy concepts and science.

Supporting Students' Language, Knowledge, and Culture through Science

This project will test and refine a teaching model that brings together current research about the role of language in science learning, the role of cultural connections in students' science engagement, and how students' science knowledge builds over time. The outcome of this project will be to provide an integrated framework that can guide current and future science teachers in preparing all students with the conceptual and linguistic practices they will need to succeed in school and in the workplace.

Lead Organization(s): 
Award Number: 
2010633
Funding Period: 
Tue, 09/01/2020 to Sat, 08/31/2024
Full Description: 

The Language, Culture, and Knowledge-building through Science project seeks to explore and positively influence the work of science teachers at the intersection of three significant and ongoing challenges affecting U.S. STEM education. First, U.S. student demographics are rapidly changing, with an increasing number of students learning STEM subjects in their second language. This change means that all teachers need new skills for meeting students where they currently are, linguistically, culturally, and in terms of prior science knowledge. Second, the needs and opportunities of the national STEM workforce are changing rapidly within a shifting employment landscape. This shift means that teachers need to better understand future job opportunities and the knowledge and skills that will be necessary in those careers. Third, academic expectations in schools have changed, driven by changes in education standards. These new expectations mean that teachers need new skills to support all students to master a range of practices that are both conceptual and linguistic. To address these challenges, teachers require new models that bring together current research about the role of language in science learning, the role of cultural connections in students' science engagement, and how students' science knowledge builds over time. This project begins with such an initial model, developed collaboratively with science teachers in a prior project. The model will be rigorously tested and refined in a new geographic and demographic context. The outcome will be to provide an integrated framework that can guide current and future science teachers in preparing all students with the conceptual and linguistic practices they will need to succeed in school and in the workplace.

This project model starts with three theoretical constructs that have been integrated into an innovative framework of nine practices. These practices guide teachers in how to simultaneously support students' language development, cultural sustenance, and knowledge building through science with a focus on supporting and challenging multilingual learners. The project uses a functional view of language development, which highlights the need to support students in understanding both how and why to make shifts in language use. For example, students' attention will be drawn to differences in language use when they shift from language that is suited to peer negotiation in a lab group to written explanations suitable for a lab report. Moving beyond a funds of knowledge approach to culture, the team view of integrating students' cultural knowledge includes strengthening the role of home knowledge in school, but also guiding students to apply school knowledge to their out-of-school interests and passions. Finally, the project team's view of cumulative knowledge building, informed by work in the sociology of knowledge, highlights the need for teachers and students to understand the norms for meaning making within a given discipline. In the case of science, the three-dimensional learning model in the Next Generation Science Standards makes these disciplinary norms visible and serves as a launching point for the project's work. Teachers will be supported to structure learning opportunities that highlight what is unique about meaning making through science. Using a range of data collection and analysis methods, the project team will study changes in teachers' practices and beliefs related to language, culture and knowledge building, as teachers work with all students, and particularly with multilingual learners. The project work will take place in both classrooms and out of class science learning settings. By working closely over several years with a group of fifty science teachers spread across the state of Oregon, the project team will develop a typology of teachers (design personas) to increase the field's understanding of how to support different teachers, given their own backgrounds, in preparing all students for the broad range of academic and occupational pathways they will encounter.

Supporting Elementary Teacher Learning for Effective School-Based Citizen Science (TL4CS)

This project will develop two forms of support for teachers: guidance embedded in citizen science project materials and teacher professional development. The overarching goal of the project is to generate knowledge about teacher learning that enables elementary school citizen science to support students' engagement with authentic science content and practices through data collection and sense making.

Lead Organization(s): 
Award Number: 
2009212
Funding Period: 
Wed, 07/01/2020 to Sun, 06/30/2024
Full Description: 

Citizen science involves individuals, who are not professional scientists, in authentic scientific research, typically in collaboration with professional scientists. When implemented well in elementary schools, citizen science projects immerse students in science content and engage them with scientific practices. These projects can also create opportunities for students to connect with their local natural surroundings, which is needed, as some research has suggested that children are becoming increasingly detached from nature. The classroom teacher plays a critical role in ensuring that school-based citizen science projects are implemented in a way that maximizes the benefits. However, these projects typically do not include substantial guidance for teachers who want to implement the projects for instructional purposes. This project will develop two forms of support for teachers: (1) guidance embedded in citizen science project materials and (2) teacher professional development. It will develop materials and professional development experiences to support teacher learning for 80 5th grade teachers impacting students in 40 diverse elementary schools.

The overarching goal of this project is to generate knowledge about teacher learning that enables elementary school citizen science to support students' engagement with authentic science content and practices through data collection and sense making. Specifically, the study is designed to address the following research questions: (1) What kinds of support foster teacher learning for enacting effective school-based citizen science? (2) How do supports for teacher learning shape the way teachers enact school-based citizen science? and (3) What is the potential of school-based citizen science for positively influencing student learning and student attitudes toward nature and science? Data collected during project implementation will include teacher surveys, student surveys and assessments, and case study protocols.

Learning Progressions in Science: Analyzing and Deconstructing the Multiple Dimensions in Assessment

Through this project, researchers will develop internet-based assessments designed to capture learning outcomes that (a) measure the higher order cognitive skills that are essential to current reform efforts, and (b) that report results in ways that are readily accessible and interpretable.

Award Number: 
2010322
Funding Period: 
Tue, 09/01/2020 to Sat, 08/31/2024
Full Description: 

Assessments are a crucial tool to enable the success of teaching and learning in science classrooms. Hence, to realize the vision of current reform efforts assessments must be developed that (a) measure the higher order cognitive skills that are essential to those reforms, and (b) that report results in ways that are readily accessible and interpretable. Through this project, researchers will develop internet-based assessments that capture such learning outcomes. These assessments can influence policy and practice by providing tangible products that exemplify the kind of learning outcomes and performances expected in today's science classrooms. The measures will also ensure that all students are assessed fairly. This project has the potential to enable students to express their knowledge and skills in a variety of ways which are less demanding and more creative than typical in traditional assessments.

Researchers will develop assessment materials aligned to the Next Generation Science Standards practice of scientific argumentation, the cross-cutting concept of patterns, and content in each of the following foundational middle school science domains - physical, life, and Earth sciences. Researchers will work closely with administrators and educators to ensure the relevance and alignment of materials to teachers' needs. Data will be gathered from middle and high school students from ethnically, culturally, and linguistically diverse school districts in California and Arizona. Key measures to be developed include embedding questions about patterns into the nine existing scenarios (tasks) and in new scenarios about natural resources. The team will develop assessments that can be used in both open-ended and selected response formats, to enhance their usefulness to teachers for diagnostic understanding, and their efficiency for summative classroom use. Data will also be gathered from teachers, to help develop interpretational materials. Teachers will have access, in real time, to their own students' responses, and estimates of students' performance on learning progressions within each of the science practices, crosscutting concepts and domains mentioned. The team will use the BEAR Assessment System to develop and refine assessment materials. This system is an integrated approach to developing assessments that seeks to provide meaningful interpretations of student work relative to cognitive and developmental goals. The researchers will gather empirical evidence to develop and improve the assessment materials, and then gather reliability and validity evidence to support their use. In total, item response data will be collected from several thousand students across the two districts. Student response data will be analyzed using multidimensional item response theory models.

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