A commercial hollow fiber blood oxygenation laboratory experiment was used to introduce lower level engineering students to mass balances in a two-phase system. Using measured values of concentration and flow rate, students calculated the rate of mass transfer from the gas phase and into the liquid phase, and compared the two values to determine…

This paper reports an experimental study on Form Four (16 year olds) students' conceptions about two acid-base models (Arrhenius & Brønsted-Lowry). An intact class was divided into two groups that were taught different acid-base models. One teacher taught one of the groups the Brønsted-Lowry model while another teacher taught the Arrhenius…

This embedded mixed method study used a randomised controlled? trial design to examine two cohorts of upper (grades 4-6) elementary teachers' classroom implementation of nature of science (NOS) instruction following their participation in a statewide professional development (PD). The treatment group (n = 145) was compared to a control group (n =…

The integration of an undergraduate science content course and science methods course into a single combined course for preservice teachers, including a precourse field experience, was undertaken at a small, liberal arts college. The conceptual framework for this new delivery system was grounded in the "Next Generation Science Standards…

The aim of this study is to compare the change of pre-service science teachers' views about the nature of scientific knowledge through Project-Based History and Nature of Science training and Conventional Method. The sample of the study consists of two groups of 3rd grade undergraduate students attending teacher preparation program of science…

The purpose of this study is to investigate the effectiveness of explicit-embedded-reflective (EER) instruction in nature of science (NOS) understandings of ninth-grade advanced science students. This study was conducted with 71 students, who were divided into three groups, by using non-equivalent quasi-experimental design. In the treatment…

The focus of the current study is to understand which unique features of an immersive virtual reality environment have the potential to improve learning relative motion concepts. Thirty-seven undergraduate students learned relative motion concepts using computer simulation either in immersive virtual environment (IVE) or non-immersive desktop…

The primary purpose of this study was to investigate the effect of structured note-taking compared to traditional note-taking on the acquisition of scientific knowledge for students with and without learning disabilities (LD) and students with reading difficulties (RD). An additional purpose was to examine whether the two note-taking methods…

This longitudinal study reports the results of a replication of "Tutorials in Introductory Physics" in high schools of a Latin-American country. The main objective of this study was to examine the suitability of "Tutorials" for local science education reform. Conceptual learning of simple resistive electric circuits was…

This article reports on the outcomes of a study that compared implicit and explicit teaching approaches on the development of contemporary conceptions of the nature of science (NoS). The sample comprised two groups of prospective primary teachers in the Republic of Ireland, all non-specialists in science. Research has shown that contemporary…

The purpose of this study is to compare the efficacy of three different approaches to professional development in Earth science education: preparing teachers to "adopt" expert-"design" curricula; preparing teachers to use a principled approach to design curricula; and preparing teachers to use a principled approach to "adapt" curricula. The claims…