In this paper, we investigate the ways in which 15 year-old students conceive interrelated issues of randomness. We deal with these issues of randomness as a whole and not separately from each other, in contrast to the research so far. In order to analyse the students' ways we introduce a modification of Kyburg's Schema [(1974). "The logical…

As it is already observed by mathematicians and educators, there is a discrepancy between the formal techniques of mathematical logic and the informal techniques of mathematics in regards to proof. We examine some of the reasons behind this discrepancy and to what degree it affects doing, teaching and learning mathematics in college. We also…

The present study examines the ancient Greek history curriculum and the corresponding textbook as they are implemented in the fourth grade of primary school in an aim to determine whether and to what extent empathy is recognized as a fundamental tool for historical understanding. A close examination of the curriculum revealed that empathy is not…

The new representations enabled by the educational computer game the "Juggler" can place vectors in a central role both for controlling and measuring the behaviours of objects in a virtual environment simulating motion in three-dimensional spaces. The mathematical meanings constructed by 13 year-old students in relation to vectors as…

Analyzes components of the concept of intuitive parenting in cultural samples of 10 German, 20 U.S. and 6 Greek mothers with first-born infants. Although results indicate general parenting programs that are not culturally specific, quantitative cultural differences are found in verbal behavior. (SLD)