@inbook {MATHEDUC.06638811,
author = {Baker, William},
title = {Learning trajectory. Rational number sense to proportional reasoning.},
year = {2016},
booktitle = {The creative enterprise of mathematics teaching research. Elements of methodology and practice -- from teachers to teachers},
isbn = {978-94-6300-548-7},
pages = {351-371},
publisher = {Rotterdam: Sense Publishers},
doi = {10.1007/978-94-6300-549-4_29},
abstract = {Summary: This section is intended to demonstrate how statistical, or quantitative, analysis can be used, alongside qualitative investigations of discourse, to study hypothetical trajectories and relationships between conceptual knowledge as students' progress through rational number sense toward proportional reasoning.},
msc2010 = {C30xx (D20xx F80xx F40xx)},
identifier = {2016f.00219},
}