This paper aims at giving a concise survey of the present state-of-the-art of mathematical modelling in mathematics education and instruction. It will consist of four parts. In part 1, some basic concepts relevant to the topic will be clarified and, in particular, mathematical modelling will be defined in a broad, comprehensive sense. Part 2 will review arguments for the inclusion of modelling ...

The Role of Childhood Health for the Intergenerational Transmission of Human Capital: Evidence from Administrative Data We use unique administrative German data to examine the role of childhood health for the intergenerational transmission of human capital. Specifically, we examine the extent to which a comprehensive list of health conditions – diagnosed by government physicians – can account f...

OBJECTIVES To determine the effect of applying the PRECEDE educational model as a framework for controlling iron defiency anaemia (IDA) among high school girl students. METHODS This Quasi-experimental study was conducted between April and July 2009 at Isfahan, Iran. Using a simple random sampling technique, a total of 72 students were selected and divided in two intervention and control group...

In this paper we present the evolution of a metadata-based course portal, the Open Learning Repository (OLR for short). Different instructional models and principles are integrated in order to meet different learning and teaching strategies. To achieve this, different metadata models (domain model, instructional model, cooperative and structural model) are designed and mapped. In a scenario-bas...

Collaboration among project actors has been subjected to much attention in recent years within the field of construction management. Several case studies support the argument that collaboration has positive effects on project performance. There is however, a need for quantitative studies investigating statistical relationships between collaboration and performance. Joint activities and collabor...