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Direct linkAysegül Derman; Figen Gunes; Ozcan Gulacar; Ingo Eilks – Chemistry Education Research and Practice, 2024
This study aims to determine the cognitive structures of students at different educational levels (8th grade and 12th grade) related to acid-base chemistry. The research was designed as a case study and structured in two stages. The first stage analyzed concepts related to acid-base chemistry and their direction and strength in students' knowledge…
Descriptors: Chemistry, Science Instruction, Cognitive Structures, Grade 8
Download full textKurnaz, Mehmet Altan; Emen, Ayse Yagmur – Acta Didactica Napocensia, 2014
Following up on the effects of learning environments is essential to learning. The aim of this study was to examine students' mental models related to the concepts of expansion and contraction of materials. The population of the case study consisted of 155 students in a city center in Turkey. The data was gathered using open-ended questions that…
Descriptors: Foreign Countries, Case Studies, Models, Cognitive Structures
Brijlall, Deonarain; Ndlovu, Zanele – South African Journal of Education, 2013
This qualitative case study in a rural school in Umgungundlovu District in KwaZulu-Natal, South Africa, explored Grade 12 learners' mental constructions of mathematical knowledge during engagement with optimisation problems. Ten Grade 12 learners who do pure Mathemat-ics participated, and data were collected through structured activity sheets and…
Descriptors: Foreign Countries, High School Students, Problem Solving, Calculus
