This case study aimed to enhance students' scientific argumentation through the Science-Technology-Society (STS) approach. There were two phases in this study: (a) Exploring the current situation of grade 10 students' scientific argumentation in real classrooms, and (b) Developing and implementing the STS learning unit to enhance students'…

In recent years, many countries have adopted a context-based approach for designing science curricula for education at all levels. The aim of this study was to determine the effectiveness of a Context-Based Chemistry Course (CBCC) as compared with traditional/existing instruction, on 11th grade students' learning about chemical equilibrium,…

Systemic assessment questions (SAQs) are novel assessment tools used in the context of the Systemic Approach to Teaching and Learning (SATL) model. The purpose of this model is to enhance students' meaningful understanding of scientific concepts by use of constructivist concept mapping procedures, which emphasize the development of systems…

Recent research conducted on adults in the United States indicates low ocean literacy (Ocean Project, 2009b, 1999), but there is a dearth of peer-reviewed research on K-12 students' ocean literacy. This paper presents two research studies that examined the ocean and environmental literacy of 464 K-12 students in five states. Like the majority of…

This mixed methods descriptive and causal-comparative study investigates what instructional leadership behaviors effective California high school principals have and what their beliefs are in regards to pedagogy, related issues, and professional issues, either constructivist or instructivist in nature, in the environment of the current NCLB…

The main purpose of this study was to examine the structural relationships between scientific epistemological views (SEVs) and information commitments (ICs) of high school students in Taiwan. Data were collected from 486 Taiwanese high school students via two self-reporting instruments: one was the SEV questionnaire, including five scales for…

The purpose of the study was to investigate the use of an existing instrument, the Constructivist Learning Environment Survey (CLES)(Taylor, Dawson & Fraser, 1995; Taylor, Fraser & Fisher, 1993, 1997), for providing insights into the classroom learning environments of beginning science teachers. In the first year of the study, the CLES was…

This study presents the conceptualization and subsequent model fit analysis of a retention model for Latino/a students at urban commuter universities. The three institutions involved in the study represent different environments for Latino/a students. Two are Hispanic Serving Institutions (HSI) and the third represents a predominantly White…