This study is qualitative research. It is to restructure the STEM-based students thinking in
constructing the concept of formal definition of a function based on the assimilation and …

This study aims to investigate conceptual understanding based on the cognitive process and
to describe the learning obstacles faced by students to digest the notion of definition of a …

The purpose of this research is to find out the students' thinking process in formal cognitive
development in solving mathematical problems. The problem solving used in this study uses …

In real educational field, there are cases that concrete problematic situations are introduced
after abstract concepts are taught on the contrary to process that abstract from concrete …

Struktur berpikir pseudo merupakan struktur berpikir semu yang dialami siswa ketika
memecahkan suatu masalah, dimana siswa tidak mengetahui letak kesalahan yang …

The reasoning is an important aspect of learning mathematics. In studying real analysis,
students must have the reasoning ability to understand the concepts and the relation of each …

This study aimed to explore the generalization of patterns based on semiotic perspectives
on concrete operational student. Semiotic perspectives included gestures, speeches and …

Derivatives are one of the objects of calculus that is difficult for students to learn. The
purpose of this study was to describe the cognitive processes of students in understanding …

Mental models are representations of students' minds concepts to explain a situation or an
on-going process. The purpose of this study is to describe students' mental model in solving …

The idea of fundamental mathematical concepts used by students in finding formal
mathematical forms are the context of fact and science through the SAVI approach …