Structural equation models are commonly used to analyze 2-mode data sets, in which a set of objects is measured on a set of variables. The underlying structure within the object mode is evaluated using latent variables, which are measured by indicators coming from the variable mode. Additionally, when the objects are measured under different…

In science education, students should come to understand the nature and significance of models. In the case of chemistry education it is argued that the present use of models is often not meaningful from the students' perspective. A strategy to overcome this problem is to use an authentic chemical modelling practice as a context for a curriculum…

Most other nations have a very different approach to measuring academic achievement at the end of high school and signaling that information to universities and other interested parties. In Australia, Denmark, England, Scotland, Finland, France, Ireland, the Netherlands, and many Canadian and German provinces, for example, high school exit…