Abstract Prospective Teachers (PTs) often enter their mathematics content courses believing
that they know enough mathematics to teach elementary school. However, research has …

Articulating thought in computer-based media is a powerful means for humans to develop
their understanding of phenomena. We have created DynaLearn, an Intelligent Learning …

An important purpose of science education is to help students acquire the ability to build
appropriate model of systems. For facilitating such learning activity, modelbuilding learning …

The research reported in this thesis arose from a comment made by a student who had
achieved highly in examinations yet felt that science:'doesn't make sense'. Different …

In DynaLearn, semantics of the QR models ingredients is made explicit by representing
them as terms in ontologies. That easies the task of exploring the knowledge contained in …

The molasses grass (Melinis minutiflora) is an aggressive invader able to modify completely
in few years a natural vegetation physiognomy, and its development and growing is well …

The present work describes an interdisciplinary evaluation activity of learning by modelling
involving secondary school teachers. DynaLearn software functionalities (www. dynalearn …

The Chaguana river basin is mainly affected by human activities. Banana production and
mining development impact the water quality of the principal rivers in the basin. It is affected …

Бих искала да изкажа благодарност на моя научен ръководител проф. д-р Йордан
Узунов, за неговото експертно ръководство и консултации по време на моята …