Children's estimation patterns on a number line estimation task may provide information about the mental representation of the magnitude of numbers. Siegler and his colleagues concluded that children's mental representations shift from a logarithmic-ruler representation to a linear-ruler representation. However, there are important methodological…

This document presents information on open learning environments in Adult Basic Education in The Netherlands. It focuses on the role of teacher, tutorial, progress, and evaluation methods. Several task groups address the four dimensions in a learning environment: accommodation, time, infrastructural, and social psychological. Through independent…

An international numeracy scale compared how well adults in seven countries--the United Kingdom, France, Netherlands, Sweden, Japan, Australia, and Denmark--handled some basic tasks involving numbers. The questionnaire comprised a set of 12 numeracy tasks that respondents were asked to complete using pen and paper. Within each country, the…