This study used systematic observation to test the direct and moderating effects of class size on children's momentary behavioural engagement in learning. Data were collected with 632 children (50.6% girls) in 121 classrooms in 92 schools recruited into the Children's School Lives national cohort study of Irish primary schooling. The Observational…

When instructing very large groups of students in science, it can be difficult to engage all students in the content and measure their understanding. A major unaddressed challenge in science instruction is how specifically to design and implement strategies that engender active learning particularly in high-enrollment undergraduate courses. Active…

Active learning has often been reported to improve student outcomes in STEM courses. However, there are barriers to its implementation, and it is challenging to include this approach in large classrooms with fixed seating. This investigation explores the development of a novel approach in which the class contact time was reallocated for a general…

Three direct complexometric titration methods for bismuth subsalicylate determination in over-the-counter stomach relief caplets and liquids are presented, as well as a UV-vis assay, for use in student laboratories. The main difference between titration methods is the choice of indicator; either xylenol orange (XO), pyrocatechol violet (PV), or…

This study used a three-phase design to explore how teachers' views and practices of scientific inquiry can be reconciled with early graders' ability to engage in scientific inquiry. First, 19 early years teachers were interviewed to explore their views and practices of scientific inquiry. Second, six standard two students were exposed to a…

This research explores how primary school teachers use games to enhance pupils' learning and development of conceptual knowledge. The study employs an illustrative case study design; data was collected through interviews with thirty (30) teachers who were selected using purposive sampling technique. Twenty teachers had some knowledge of game-based…

This article describes how clickers (student response systems) may be used to assess and support the development of productive process skills and discourse patterns within student teams during class periods. Clicker questions may poll the class about specific features of the internal workings of teams, such as role rotation, helpful or distracting…

The effect of class size on student learning has numerous policy implications and has been a major subject of conversation and research for decades. Despite this, few studies have been done on class size in the context of university settings or physics courses. This dissertation helps address that gap in the literature by quantitatively analyzing…

This research aimed to examine the impact of different factors on high school chemistry teachers' use of curriculum materials in China. The examination was conducted on a theoretical framework in which three aspects of curriculum materials and three ways of curriculum use are involved and nine factors are suggested. Through a questionnaire survey…

Active-learning approaches have recently been broadly promoted on many campuses, but research is limited on how varying levels of interaction impact student success. The aim of this study was to compare student success between two sections of an introductory biology course that used classroom response systems (i.e., clickers), but were taught with…

Pedagogies of engagement (i.e., Peer-Led Teaming Learning, Problem-Based Learning, and Process-Oriented Guided Inquiry Learning) are active learning approaches used in postsecondary chemistry courses. In this study, we use data from a national survey of postsecondary chemistry instructors in the United States to estimate use of three pedagogies in…

This research examines the relationship between high school teachers' understanding and reported practices of inquiry-based pedagogy (IBP) in science classrooms in Nigeria. A sample of 11 science teachers from an education district in Lagos, Nigeria, was chosen for this case study. Data were collected using a semi-structured questionnaire, which…

Successful students who do not experience anxiety can participate in future progress both at local and international levels. It is necessary to identify students' anxiety and to enhance research into the effect of anxiety on the cognitive burden of science, which is one of the top priorities for future progress. Thus, the main aim of this research…

The inquiry-based teaching instruction (IbTI) has been practiced internationally to improve student competency in science. The implementation of this strategy has been recommended by the science curriculum in Indonesia since 2003. However, it is not still implemented successfully in schools. The implementation is likely unsuccessful to achieve its…

Teachers select multiple representations and adopt multiple visualization approaches in supporting their students to make meaning of chemical phenomena. Representational competence underpins students' construction of their mental models of concepts thus it is important that teachers consider this while developing instructional resources. In…