The Epistemic Role of Gestures: A Case Study on Networking of APC and AiC

Author(s):  
Tommy Dreyfus ◽  
Cristina Sabena ◽  
Ivy Kidron ◽  
Ferdinando Arzarello
Keyword(s):  
2019 ◽  
Vol 41 (1) ◽  
pp. 43-79 ◽  
Author(s):  
Susanne Prediger ◽  
Dilan Şahin-Gür

AbstractThe syntactic dimension of academic language has often been studied with respect to students’ difficulties with syntactic features in mathematical textbooks and test items, and these studies have contributed to understanding the communicative role of language. In contrast, the epistemic role of students’ language use has mainly been explored in lexical and discourse dimensions. This research has shown that higher order cognitive demands require more elaborate language means. The aim of this article is to contribute to theorizing the epistemic role of syntactic language complexity by means of a topic-specific investigation using the mathematical topic of qualitative calculus, i.e., the informal meanings of amount and change. In order to do this, the learning process study presented in this article investigates 18 eleventh graders’ conceptual pathways while dealing with challenging tasks on amount and change. The identification of different syntactic complexities in students’ utterances provides an overview of the variance of possible phrase structures. Further, it shows that successive conceptual conciseness requires either increasing syntactic complexity or conceptual condensation. So increasing elaborateness in the lexical and syntactic dimensions seem to compensate each other.


2004 ◽  
Vol 14 (1) ◽  
pp. 123-139 ◽  
Author(s):  
Norman Mooradian

Abstract:The focus of this paper is the ethics of information giving in the context of complex sales. It is argued that, while current theories provide a broad framework for describing the responsibilities of sales agents, they lack adequate descriptions of the conditions characteristic of complex sales situations. Without an adequate model of complex sales, ethical theories will fail to provide guidance to sales agents facing issues that arise from features of sales situations not accounted for in the theories. To motivate this claim, I develop a brief case study in the area of information system sales. The problem can be remedied, however, if the theories take into account the features of complex sales. A tentative list of such features is presented and their relevance to the case is discussed. One of the most important to emerge is the epistemic role of the buyer as the judge of competing information.


Episteme ◽  
2014 ◽  
Vol 12 (1) ◽  
pp. 117-129 ◽  
Author(s):  
Javier González De Prado Salas ◽  
David Teira

AbstractWe discuss the role of practical costs in the epistemic justification of a novice choosing expert advice, taking as a case study the choice of an expert statistician by a lay politician. First, we refine Goldman's criteria for the assessment of this choice, showing how the costs of not being impartial impinge on the epistemic justification of the different actors involved in the choice. Then, drawing on two case studies, we discuss in which institutional setting the costs of partiality can play an epistemic role. This way we intend to show how the sociological explanation of the choice of experts can incorporate its epistemic justification.


1987 ◽  
Author(s):  
William A. Worrall ◽  
Ann W. Stockman

2019 ◽  
Vol 3 (1) ◽  
pp. 1-9
Author(s):  
Robert M. Anderson ◽  
Amy M. Lambert

The island marble butterfly (Euchloe ausonides insulanus), thought to be extinct throughout the 20th century until re-discovered on a single remote island in Puget Sound in 1998, has become the focus of a concerted protection effort to prevent its extinction. However, efforts to “restore” island marble habitat conflict with efforts to “restore” the prairie ecosystem where it lives, because of the butterfly’s use of a non-native “weedy” host plant. Through a case study of the island marble project, we examine the practice of ecological restoration as the enactment of particular norms that define which species are understood to belong in the place being restored. We contextualize this case study within ongoing debates over the value of “native” species, indicative of deep-seated uncertainties and anxieties about the role of human intervention to alter or manage landscapes and ecosystems, in the time commonly described as the “Anthropocene.” We interpret the question of “what plants and animals belong in a particular place?” as not a question of scientific truth, but a value-laden construct of environmental management in practice, and we argue for deeper reflexivity on the part of environmental scientists and managers about the social values that inform ecological restoration.


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