Impact of model-based science curriculum and instruction on elementary students' explanations for the hydrosphere

Developing scientific literacy about water systems is critical for K-12 students. However, even with opportunities to build knowledge about the hydrosphere in elementary classrooms, early learners may struggle to understand the water cycle (Forbes et al., 2015 ; Gunckel et al., 2012 ; Zangori et al., 2015 ; Zangori et al., 2017 ). Scientific modeling affords opportunities for students to develop representations, make their ideas visible, and generate model-based explanations for complex natural systems like the water cycle. This study describes a comprehensive evaluation of a 5-year, design-based research project focused on the development, implementation, revision, and testing of an enhanced, model-centered version of the Full Option Science System (FOSS) Water (2005) unit in third grade classrooms. Here, we build upon our previous work (Forbes et al., 2015 a; b; Vo et al., 2015 ; Zangori et al., 2015 ; Zangori et al., 2017 ) by conducting a comparative analysis of student outcomes in two sets of classrooms: (1) one implementing the modeling-enhanced version of the FOSS Water unit developed by the research team (n = 6), and 2) another using the standard, unmodified version of the same curricular unit (n = 5). Results demonstrate that teachers in both conditions implemented the two versions of the curriculum with relative fidelity. On average, students exposed to the modeling-enhanced version of the curriculum showed greater gains in their model-based explanations for the hydrosphere. Engagement in scientific modeling allowed students to articulate hydrologic phenomena by (1) identifying various elements that constitute the hydrosphere, (2) describing how these elements influenced the movement of water in the hydrosphere, and (3) demonstrating underlying processes that govern the movement of water in the hydrosphere.     

Evaluating Three Dimensions of Environmental Knowledge and Their Impact on Behaviour

Research in Science Education - This research evaluates the development of three environmental knowledge dimensions of secondary school students after participation in a singular 1-day outdoor...     

A Mixed Methods Comparison of Elementary Preservice Teachers’ Conceptualization of Teaching Engineering

Research in Science Education - This sequential explanatory mixed methods study (quant + QUAL) examined elementary preservice teachers’ conceptions of teaching engineering. Participants...     

Stichwort: Schuleffektivitätskriterien in der internationalen empirischen Forschung

This review summarizes international empirical studies on criteria for school effectiveness between 1995-2004. The data comes from a special study on this topic for the Dutch school inspectorate and has been re-analyzed for this contribution. In the first section of the paper, effectiveness criteria are reviewed with regard to their role in theoretical models of school effectiveness research. In the second section, empirical studies concerned with school and classroom effectiveness are reviewed with a focus on the effectiveness criteria, which are applied. The results show that the range of criteria is small. Especially regarding school effectiveness there is a tendency towards using pupils’ achievement in school subjects as effectiveness criteria. School factors were mainly investigated using national or regional survey data. The third section of the paper deals with perspectives for future research on school effectiveness, suggesting a broader set of effectiveness criteria.

Teacher attitudes towards inclusive education in Finland and Brandenburg,Germany and the issue of extra work

Positive teacher attitudes are considered an important prerequisite for the successful inclusion of students with special educational needs in the mainstream classrooms. This study surveyed teacher opinions about inclusion in Finland (N?=?298) and Brandenburg, Germany (N?=?163), two educational systems in which the number of students transferred to segregated special education is exceptionally high in international comparison. For the measurement of attitudes, a 10-item scale, teachers’ attitudes towards inclusive education, was used. The results showed that Finnish teachers were more positive towards inclusion than Brandenburg teachers (d?=?0.46). The Brandenburg teachers were especially worried about the extra work caused by inclusion. This concern was possibly related to the different structures of educational organisation. Additional support services were more easily available for the Finnish teachers than for their Brandenburg colleagues. It is argued that teachers’ concerns should be addressed to promote inclusion in schools.     

Are gender differences in perceived and demonstrated technology literacy significant? It depends on the model

This paper examines gender differences related to Information and Communication Technology (ICT) literacy using two valid and internally consistent measures with eighth grade students (N = 1,513) from Florida public schools. The results of t test statistical analyses, which examined only gender differences in demonstrated and perceived ICT skills, indicate significant differences in all areas in favor of females. Females had higher factor scores in perception measures for Frequency of Computer Use, Perceived ICT Skills, and Attitudes toward Computers. In addition, female students had significantly higher scores on all six sections from the Student Tool for Technology Literacy, a performance-based assessment. These results counter many empirical research studies that show males generally perform better with ICT skills and have overall better attitudes toward computers than their female counterparts. However, when adding predictors to the model and using multilevel modeling statistical methods, findings indicate that gender was no longer significant. These findings question the importance of the gender differences related to ICT skills that were found with previous statistical examinations. Using more advanced statistical methods to answer research questions pertaining to ICT skills is important in order to determine which factors have the greatest potential for intervention programs that focus on developing equitable ICT skills and career choices for all students.     

一位继母的欢乐与哀愁

我认为继父母这项工作的挑战性仅次于,但也极其接近最艰难的工作——那就是尽父母之责,养育儿女。     

Windows into teaching and learning: professional growth of classroom teachers in an online environment

The Windows into Teaching and Learning (WiTL) project was developed by researchers at one large urban institution in the southeast region of the United States as a way to facilitate online clinical experiences for content area methods students during summer coursework. Utilising both synchronous and asynchronous elements, WiTL addressed the issue of students gaining meaningful clinical experiences in coursework offered during the summer. Though the purpose of WiTL was initially for methods students to engage in observations of and conversations with practising classroom teachers, an unanticipated outcome occurred. In this paper, the authors describe the WiTL process and discuss the impact it had on the professional growth of the practising classroom teachers. The results indicate that WiTL encouraged teachers to utilise reflective practice in rethinking their pedagogy and used technology to facilitate professional learning community among classroom teachers.