Purpose: This study explores the BioRegio Betriebsnetz (BRB) in Bavaria, a unique policy-initiated, farmer-based knowledge provider network that disseminates knowledge on organic farming and complements agricultural advisory services (AAS). This study aims to identify the characteristics and attributes critical to the successful implementation of…

Foreign language education has now been implemented at the elementary school level across Europe, and early foreign language education has gained traction following language policies set by the European Commission. The long-term effects of an early start, however, have not received ample scientific scrutiny. The present study assessed early…

Purpose: The overall purpose of the European Union-funded Leadership Improvement for Student Achievement (LISA) project was to explore how leadership styles, as conceptualized in the developed dynamic holistic leadership framework, directly or indirectly affect student achievement at the lower secondary level of education in seven European…

In 2004 the German state of Bavaria introduced a new compulsory subject of computer science (CS) in its grammar schools ("Gymnasium"). The subject is based on a comprehensive teaching concept that was developed by the author and his colleagues during the years 1995-2000. It comprises mandatory courses in grades 6/7 for all students of…

Educational effectiveness research often appeals to "value-added models (VAM)" to gauge the impact of schooling on student learning net of the effect of student background variables. A huge amount of cross-sectional studies do not, however, meet VAM's requirement for longitudinal data. "Contextualised attainment models (CAM)"…

How students understand, feel about and respond to assessment might contribute significantly to learning behaviour and academic achievement. This paper reviews studies that have used a relatively new self-reported survey questionnaire ("Students' Conceptions of Assessment"--SCoA) about student perceptions and understandings of…

The authors examined the subtype structure of smokers classified in the precontemplation stage of change within the transtheoretical model. From a general practice-based sample of 1,499 daily smoking patients from Germany (participation rate 80%), they used a subgroup of 929 smokers who were classified in the precontemplation stage and applied…

Developing a youth apprenticeship in the United States would boost productivity, improve the preparation of youths for the skill demands of a global economy, and simultaneously offer minority youth an avenue into the economic mainstream. Germany's "dual system" of youth apprenticeship could be adopted to form a national skill-building…

This document contains the second volume of the proceedings of the 30th Annual Conference of the International Group for the Psychology of Mathematics Education. Conference presentations are centered around the theme "Mathematics at the Centre." This volume features 60 research reports by presenters with last names beginning between Abr…