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Soneira, Carlos; González-Calero, José Antonio; Arnau, David – International Journal of Science and Mathematics Education, 2018
When translating word problems into equations, a common error consists of using the same letter to refer to two different quantities. This error, called multiple referents for the unknown, can be connected to the existence of deictic or indexical expressions within the problem statement. This paper aims to analyse the influence of indexical…
Descriptors: Word Problems (Mathematics), Equations (Mathematics), Error Patterns, Incidence
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Franco-Mariscal, Antonio-Joaquín; Oliva-Martínez, José María; Almoraima Gil, M. L. – International Journal of Science and Mathematics Education, 2016
The work reported here involved a comparative study regarding the understanding that high school students (16-18 years) have of the concept of chemical elements and their periodic classification. More specifically, the level of knowledge on this topic was compared before and after the completion of baccalaureate studies in a sample of Spanish…
Descriptors: Chemistry, Science Instruction, Questionnaires, History
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Almeida, Rut; Bruno, Alicia; Perdomo-Díaz, Josefa – International Journal of Science and Mathematics Education, 2016
This paper presents some results of an investigation on the number sense of a group of pre-service secondary teachers from Spain. The objective of this research was to analyze students' use of strategies associated to number sense and compare them with those obtained in a previous study with pre-service primary teachers in Taiwan, (Yang, Reys…
Descriptors: Preservice Teachers, Secondary School Teachers, Foreign Countries, Mathematics
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Morentin, Maite; Guisasola, Jenaro – International Journal of Science and Mathematics Education, 2015
In recent decades, research has shown the challenge posed to teachers by science education in informal contexts such as science museums or centres. In addition, there is consensus that in the case of pupils visiting a science centre, learning improves when the visit is connected to the classroom curriculum, so the teachers' involvement in…
Descriptors: Foreign Countries, Science Education, Science Teaching Centers, Semi Structured Interviews
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Chhokar, Kiran; Dua, Shweta; Taylor, Neil; Boyes, Edward; Stanisstreet, Martin – International Journal of Science and Mathematics Education, 2011
A 44-item survey instrument was designed to determine secondary students' views about how useful various specific actions related to reducing global warming might be, their willingness to undertake these various actions and the extent to which these 2 might be linked. The instrument was administered to students in grades 6-10 (n = 768) from 4…
Descriptors: Indians, Student Attitudes, Language of Instruction, Foreign Countries