Athanasios Gagatsis

Ability to Translate from One Representation of the Concept of Function to Another and Mathematical Problem Solving

Athanasios Gagatsis, Myria Shiakalli · Educational Psychology · 2004 · 185 citations · Full text

Translation Studies, Multilingualism, Education +17

The Significance of the Classroom Effect in Primary Schools: An Application of Creemers' Comprehensive Model of Educational Effectiveness

Leōnidas Kyriakidēs, R.J. Campbell, Athanasios Gagatsis · School Effectiveness and School Improvement · 2000 · 139 citations

Teacher Education, Mathematics Education, Student Assessment +14

The effects of different modes of representation on the solution of one-step additive problems

Athanasios Gagatsis · Learning and Instruction · 2007 · 102 citations · Full text

Numerical Analysis, Mathematical Programming, Engineering +6

Relations Between Secondary Pupils’ Conceptions About Functions and Problem Solving in Different Representations

Areti Panaoura, Anastasia Eracleous, Athanasios Gagatsis · International Journal of Science and Mathematics Education · 2006 · 86 citations · Full text

Problem-based Learning, Mathematics Education, Cognitive Science +10

Students' Improper Proportional Reasoning: A result of the epistemological obstacle of “linearity”

Modestina Modestou, Athanasios Gagatsis · Educational Psychology · 2007 · 75 citations · Full text