منابع مشابه
Are Colors Secondary Qualities?*
Seventeenthand eighteenth-century discussions of the senses are often thought to contain a profound truth: some perceptible properties are secondary qualities, dispositions to produce certain sorts of experiences in perceivers. Any apparent plausibility this has often derives, we argue, from an erroneous picture of perception. The colors are typically held to be one of the clearest examples of ...
متن کاملSexually selected signals are not similar to sports handicaps.
The handicap principle is a simple but powerful metaphor that has had a major impact on how biologists study and understand sexual selection. Here, I show that its application to signalling in sexual selection is not a valid generalization from its roots in economics. Although some signalling systems, with additive costs and benefits, have solutions that resemble sports handicaps, the signallin...
متن کاملAre heat warning systems effective?
Heatwaves are associated with significant health risks particularly among vulnerable groups. To minimize these risks, heat warning systems have been implemented. The question therefore is how effective these systems are in saving lives and reducing heat-related harm. We systematically searched and reviewed 15 studies which examined this. Six studies asserted that fewer people died of excessive ...
متن کاملFocal colors are universal after all.
It is widely held that named color categories in the world's languages are organized around universal focal colors and that these focal colors tend to be chosen as the best examples of color terms across languages. However, this notion has been supported primarily by data from languages of industrialized societies. In contrast, recent research on a language from a nonindustrialized society has ...
متن کاملUsers’ Hazard Perceptions of Warning Components: An Examination of Colors and Symbols
This study examined color and symbol hazard ratings among parlicipants whose primary language was English and who were monolingual. Participants rated perceived hazards of ten ANSI safety colors and six symbols. RED, followed by YELLOW, BLACK, and ORANGE, were given the highest hazard ratings. The skull; prohibition (circle-slash), and the shock symbols produced the top three hazard ratings. Th...
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ژورنال
عنوان ژورنال: Evolution
سال: 1993
ISSN: 0014-3820
DOI: 10.1111/j.1558-5646.1993.tb02102.x