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Showing 61 to 75 of 715 results Save | Export
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Meyn, Jan-Peter – European Journal of Physics, 2008
Colour science is based on the sensation of monochromatic light. In contrast to that, surface colours are caused by reflection of wide sections of the daylight spectrum. Non-spectral colours like magenta and purple appear homologous to colours with spectral hue, if the approach of mixing monochromatic light is abandoned. It is shown that a large…
Descriptors: Optics, Lighting, Color, Science Instruction
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Pritchard, Jamie; Rothen, Nicolas; Coolbear, Daniel; Ward, Jamie – Cognition, 2013
People with grapheme-colour synaesthesia have been shown to have enhanced memory on a range of tasks using both stimuli that induce synaesthesia (e.g. words) and, more surprisingly, stimuli that do not (e.g. certain abstract visual stimuli). This study examines the latter by using multi-featured stimuli consisting of shape, colour and location…
Descriptors: Association (Psychology), Memory, Color, Graphemes
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Brugar, Kristy A. – Journal of Visual Literacy, 2017
Many researchers, teacher educators, teachers and students view graphics in text as an aspect of student learning (e.g. engagement, comprehension). However, as a field we have not addressed teachers' pedagogical content knowledge and decision-making associated with the use of graphics, student learning and issues of access. This mixed methods…
Descriptors: Social Studies, Visual Aids, Teaching Methods, Mixed Methods Research
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LoPresto, Michael C. – Physics Education, 2009
The different combinations involved in additive and subtractive colour mixing can often be difficult for students to remember. Using transmission graphs for filters of the primary colours and a numerical scheme to write out the relationships are good exercises in analytical thinking that can help students recall the combinations rather than just…
Descriptors: Graphs, Color, Scientific Concepts, Number Concepts
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Suhr, Wilfried; Schlichting, H. Joachim – European Journal of Physics, 2011
A sticky capture thread from the spiral element of spider orb-webs is formed of almost regularly spaced droplets that surround a supporting axial fibre. From the perspective of physical optics it represents a periodic linear array of scattering elements that acts as a diffraction grating. This is a novel aspect, which is of vital importance for…
Descriptors: Optics, Color, Physics, Scientific Principles
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Martinez-Borreguero, Guadalupe; Perez-Rodriguez, Angel Luis; Suero-Lopez, Maria Isabel; Pardo-Fernandez, Pedro Jose – International Journal of Science Education, 2013
We study the misconceptions about colour that most people hold, determining the general phenomenological laws that govern them. Concept mapping was used to combat the misconceptions which were found in the application of a test specifically designed to determine these misconceptions, while avoiding the possible misleading inductions that could…
Descriptors: Color, Misconceptions, Scientific Concepts, Foreign Countries
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Kempf, Arlo – Race, Ethnicity and Education, 2013
Despite massive gains in racial equality over the past 50 years, racism persists in twenty-first century Cuba. One of the key tools for the preservation and maintenance of racism is the discourse of racelessness through which the relevance of race is denied and silenced. Paradoxically, the racelessness frame has also been a guiding anti-racist…
Descriptors: Racial Bias, Foreign Countries, Teacher Attitudes, Discourse Analysis
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Pantaleo, Sylvia – Literacy, 2012
Colour, a visual element of art and design, is a semiotic mode that is used strategically by sign-makers to communicate meaning. Understanding the meaning-making potential of colour can enhance students' understanding, appreciation, interpretation and composition of multimodal texts. This article features a case study of Anya, an 11-year-old…
Descriptors: Novels, Picture Books, Semiotics, Case Studies
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Banaschewski, Tobias; Ruppert, Sinje; Tannock, Rosemary; Albrecht, Bjorn; Becker, Andreas; Uebel, Henrik; Sergeant, Joseph A.; Rothenberger, Aribert – Journal of Child Psychology and Psychiatry, 2006
Attention-deficit/hyperactivity disorder (ADHD) is associated with unexplained impairments on speeded naming of coloured stimuli. These deficits may reflect hypofunctioning retinal dopaminergic mechanisms impairing particularly blue-yellow colour discrimination. Colour perception and rapid colour naming ability were investigated in 14 children…
Descriptors: Attention Deficit Hyperactivity Disorder, Color, Visual Perception, Children
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Gillborn, David – Discourse: Studies in the Cultural Politics of Education, 2013
Drawing on Critical Race Theory (CRT) and illustrating with examples from the English system, the paper addresses the hidden racist dimension to contemporary education reforms and argues that this is a predictable and recurrent theme at times of economic crisis. Derrick Bell's concept of "interest-convergence" argues that moments of…
Descriptors: Critical Theory, Race, African American Children, Whites
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Hasan, Amna A.; Al-Sammerai, Nabiha S. Mehdi; Kadir, Fakhrul Adabi Bin Abdul – English Language Teaching, 2011
Most works in cognitive semantics have been focusing on the manner, in which an individual behaves--be it the mind, brain, or even computers, which process various kinds of information. Among humans, in particular, social life is richly cultured. Sociality and culture are made possible by cognitive studies; they provide specific inputs to…
Descriptors: Semitic Languages, Color, Semantics, English
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Torrents, Aurora; Bofill, Francesc; Cardona, Genis – Learning and Individual Differences, 2011
Purpose: The aim of the present study was to determine, through colorimetric analysis, whether school textbooks for children aged 5 to 7 years contained tasks requiring normal colour vision discrimination for their resolution. In addition, the performance of a group of observers with diverse colour vision deficiencies was evaluated while…
Descriptors: Textbook Content, Textbooks, Visual Impairments, Color
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Athanasopoulos, Panos; Damjanovic, Ljubica; Krajciova, Andrea; Sasaki, Miho – Bilingualism: Language and Cognition, 2011
Previous studies demonstrate that lexical coding of colour influences categorical perception of colour, such that participants are more likely to rate two colours to be more similar if they belong to the same linguistic category (Roberson et al., 2000, 2005). Recent work shows changes in Greek-English bilinguals' perception of within and…
Descriptors: Bilingualism, Color, Linguistics, Semantics
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Schneider, Phyillis; Rivard, Reane; Debreuil, Buffy – Child Language Teaching and Therapy, 2011
The current study investigated the effect of colour vs. black-and-white pictures on the stories children told using the pictures as stimuli. Participants were 22 preschool children aged 4-6 (M = 59.98, SD = 7.52) attending day-care centres in a Western Canadian city. Two story sets of five pictures each, depicting stories with similar structure,…
Descriptors: Story Grammar, Stimuli, Preschool Children, Investigations
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Yoo, Hyun Seung; Smith-Jackson, Tonya L. – Behaviour & Information Technology, 2011
Although the influence of colour on size perception has been known for a century, there is only limited research on interventions that can reduce this effect. This study was therefore undertaken in order to identify appropriate interventions and propose design guidelines for information visualisation, especially in applications where size…
Descriptors: Expertise, Design Requirements, Interviews, Guidelines
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