A study was conducted on the understandings of the accepted model of ionic substances that are held by participants at all levels of the chemical education system in Croatia, including secondary school students, university students, and chemistry teachers. We follow the research of Taber who found that a diagram of a layer of a sodium chloride…

Background: Many people with intellectual disability have limited sexual knowledge. Several assessment tools have been developed to assess the sexual knowledge of people with intellectual disability. This paper examines how clinicians' are using these tools. Method: This research uses a constructivist grounded theory approach. Semistructured…

This study has been aimed to propose a conceptual framework that helps researchers examine mathematics teachers' PCK in the context of supporting students' mathematical thinking. "Advancing Children's Thinking Framework" which is a pedagogical model developed by Fraivillig, Murphy and Fuson (1999) that supports the development of…

In this work, we present a teaching-learning sequence on colour intended to a pre-service elementary teacher programme informed by History and Philosophy of Science. Working in a socio-constructivist framework, we made an excursion on the history of colour. Our excursion through history of colour, as well as the reported misconception on colour…

"Mythbusters: The Explosive Exhibition" is a traveling exhibit based on the popular television show. When housed at the Museum of Science and Industry, Chicago, it included a traditional, interactive free flow exhibition space followed by a live facilitated show. This paper describes results from an experimental study about the effects…

General chemistry is the first undergraduate course in which students further develop their understanding of fundamental chemical concepts. Many of these fundamental topics highlight the numerous conceptual interconnections present in chemistry. However, many students possess incoherent knowledge structures regarding these topics. Therefore,…

Although misconceptions associated with ASD are apparent worldwide, they may differ across cultures. This study compares knowledge and stigma associated with ASD in a country with limited autism resources, Lebanon, and a country with substantial autism resources, the United States (US). College students in the US (N = 346) and Lebanon (N = 329)…

This study explored how senior high school students apply their conceptual knowledge, consisting of theoretical and system knowledge, to think critically when confronted with technological issues. We employed a curriculum on the history of communication technology to teach students about basic concepts in communication technology and to cultivate…

Climate change is an important theme in the investigation of human-environment interactions in geographic education. This study explored the nature of students' understanding of concepts and processes related to climate change. Through semi-structured interviews, data was collected from 27 Secondary 3 (Grade 9) students from Singapore. The data…

Research on how preservice teachers (PTs) learn to employ the teaching games for understanding (TGfU) model is in its infancy. The purpose of this study was to examine the combined effects of a package of university-based methods and the employment of the model during an early field experience (EFE) on PTs' delivery of TGfU during the teaching…

Much research has identified organic chemistry as an area of difficulty for learners. There is also much literature pertaining to the factors that contribute to learners' difficulties. This paper explores the intersections of teachers' and learners' perceptions of teaching and learning organic chemistry respectively. Understanding these nuances…

Instructional coaching has been a professional learning opportunity that many school districts have employed to support teacher practice. Pairing instructional coaching with on-going workshops is a relatively new approach to professional development. Participants for this study include fourteen middle school teachers that teach either mathematics…

The development of valid and reliable strategies to efficiently determine the knowledge landscape of introductory astronomy college students is an effort of great interest to the astronomy education community. This study examines individual item response rates from a widely used conceptual understanding survey, the Test Of Astronomy Standards…

In this paper, the effectiveness of environmental education (EE) programs at fostering ecologically responsible behavior is analyzed through the lens of psychology. In section 1, a critique of knowledge and attitude appeals is presented using contemporary psychological understandings of these constructs to show why many EE programs have been met…

This study investigated if prospective secondary science teachers enhance their argumentation skills and the interaction of the change in their argumentation skills with their conceptual knowledge during an argumentation-based guided inquiry course. 37 prospective secondary science teachers constituted the study sample. They were grouped according…