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157 result(s) for "conceptual experimentation"
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Making the ‘constitutive idea’ available in designerly ways
The constitutive idea centres on the proposition that, as a matter of social fact, law and wider social life each make up and, over time, dynamically shape, the other. This paper argues that we can draw upon designerly ways to make that the constitutive idea more available to scholars, as well as to the wider world. It first highlights the empirical, conceptual and normative dimensions of the constitutive idea. Next it introduces designerly ways, and some examples of how they have already been used at the intersections of legal and economic life. Finally, it identifies three specific problems (one empirical, one conceptual and one normative) arising out of scholarship that attends to the constitutive idea, and explains how we might adapt existing designerly practices to address them.
Systemic resilience: principles and processes for a science of change in contexts of adversity
Despite the increasing popularity of discussions of resilience in disciplines as diverse as ecology, psychology, economics, architecture, and genetics (among many others), researchers still lack a conceptual model to explain how the resilience of one system relates to the resilience of other cooccurring systems. Models that explain resilience within a single system are more robust and better studied. Although some researchers argue that both ontological and epistemological weaknesses prevent such an integrated model from being developed (the incommensurability hypothesis), others have carried out metasyntheses using techniques like network citation analysis to identify common principles and processes that are associated with resilience across disciplines. Although useful, metasyntheses have yet to identify sufficient commonalities across bodies of research to account for a single model of resilience. This paper adapts methods used for the thematic synthesis of qualitative data to critically analyze metasyntheses of resilience and identify principles that explain patterns of resilience of different systems (biological, psychological, social, cultural, economic, legal, communication, and ecological systems are all considered). Sixteen purposefully selected published syntheses were reviewed, along with dozens of other supporting peer-reviewed articles and book chapters, supplemented by consultations with knowledge experts. Seven common principles across systems were identified. These include: (1) resilience occurs in contexts of adversity; (2) resilience is a process; (3) there are trade-offs between systems when a system experiences resilience; (4) a resilient system is open, dynamic, and complex; (5) a resilient system promotes connectivity; (6) a resilient system demonstrates experimentation and learning; and (7) a resilient system includes diversity, redundancy, and participation. Where evidence refutes a principle, discordant findings are highlighted. Together, these principles account for resilience as a sequence of systemic interdependent interactions through which actors (whether persons, organisms, or ecosystems) secure the resources required for sustainability in stressed environments.
Government by experiment? Global cities and the governing of climate change
In this paper, we argue for an approach that goes beyond an institutional reading of urban climate governance to engage with the ways in which government is accomplished through social and technical practices. Central to the exercise of government in this manner, we argue, are 'climate change experiments' – purposive interventions in urban socio-technical systems designed to respond to the imperatives of mitigating and adapting to climate change in the city. Drawing on three different concepts – of governance experiments, socio-technical experiments, and strategic experiments – we first develop a framework for understanding the nature and dynamics of urban climate change experiments. We use this conceptual analysis to frame a scoping study of the global dimensions of urban climate change experimentation in a database of 627 urban climate change experiments in 100 global cities. The analysis charts when and where these experiments occur, the relationship between the social and technical aspects of experimentation and the governance of urban climate change experimentation, including the actors involved in their governing and the extent to which new political spaces for experimentation are emerging in the contemporary city. We find that experiments serve to create new forms of political space within the city, as public and private authority blur, and are primarily enacted through forms of technical intervention in infrastructure networks, drawing attention to the importance of such sites in urban climate politics. These findings point to an emerging research agenda on urban climate change experiments that needs to engage with the diversity of experimentation in different urban contexts, how they are conducted in practice and their impacts and implications for urban governance and urban life.
Coming to Terms: Quantifying the Benefits of Linguistic Coordination
Sharing a public language facilitates particularly efficient forms of joint perception and action by giving interlocutors refined tools for directing attention and aligning conceptual models and action. We hypothesized that interlocutors who flexibly align their linguistic practices and converge on a shared language will improve their cooperative performance on joint tasks. To test this prediction, we employed a novel experimental design, in which pairs of participants cooperated linguistically to solve a perceptual task. We found that dyad members generally showed a high propensity to adapt to each other's linguistic practices. However, although general linguistic alignment did not have a positive effect on performance, the alignment of particular task-relevant vocabularies strongly correlated with collective performance. In other words, the more dyad members selectively aligned linguistic tools fit for the task, the better they performed. Our work thus uncovers the interplay between social dynamics and sensitivity to task affordances in successful cooperation.
Spaces of visibility in the smart city
Smart urbanism is a currently popular and widespread way of conceptualising the future city. At the same time, the smart city is critiqued by several scholars as difficult to define, and as being almost invisible to the naked eye. The article explores two urban spaces through which the smart city is rendered visible, in two UK cities that are prominent sites for smart urban experimentation and development. Bristol’s Data Dome and Glasgow’s Operations Centre are analysed in light of their iconic nature. The article develops a conceptual understanding of these flagship spaces of the actually existing smart cities through three interrelated conceptual lenses. Firstly, they are understood as a videological type of Leibniz’s concept of the windowless monad. Secondly, they are conceptualised as examples of banal and serialised architecture. Thirdly, these spaces and their attendant buildings are understood as totemic assemblages that point to newly emergent forms of elite urban power. 智慧城市化是目前流行和广泛的未来城市概念化方式。与此同时,这个智慧城市被几位学者批评为难以定义,并且肉眼几乎看不见。本文探讨了智慧城市在两个城市空间中的可见性,在英国,这两个城市是智慧城市实验和开发的重要场所。布里斯托尔的Data Dome和格拉斯哥的运营中心将根据其标志性特征进行分析。本文通过三个相互关联的概念镜头,对实际存在的智慧城市的这些旗舰空间进行概念性理解。首先,它们被理解为Leibniz无窗单子概念的视频类型。其次,它们被概念化为平庸和序列化架构的例子。第三,这些空间及其附属建筑被理解为图腾组合,指向新兴的精英城市权力形式。
Coarse and fine root plants affect pore size distributions differently
AIMS: Small scale root-pore interactions require validation of their impact on effective hydraulic processes at the field scale. Our objective was to develop an interpretative framework linking root effects on macroscopic pore parameters with knowledge at the rhizosphere scale. METHODS: A field experiment with twelve species from different families was conducted. Parameters of Kosugi’s pore size distribution (PSD) model were determined inversely from tension infiltrometer data. Measured root traits were related to pore variables by regression analysis. A pore evolution model was used to analyze if observed pore dynamics followed a diffusion like process. RESULTS: Roots essentially conditioned soil properties at the field scale. Rooting densities higher than 0.5 % of pore space stabilized soil structure against pore loss. Coarse root systems increased macroporosity by 30 %. Species with dense fine root systems induced heterogenization of the pore space and higher micropore volume. We suggested particle re-orientation and aggregate coalescence as main underlying processes. The diffusion type pore evolution model could only partially capture the observed PSD dynamics. CONCLUSIONS: Root systems differing in axes morphology induced distinctive pore dynamics. Scaling between these effective hydraulic impacts and processes at the root-pore interface is essential for plant based management of soil structure.
Salience driven value integration explains decision biases and preference reversal
Human choice behavior exhibits many paradoxical and challenging patterns. Traditional explanations focus on how values are represented, but little is known about how values are integrated. Here we outline a psychophysical task for value integration that can be used as a window on high-level, multiattribute decisions. Participants choose between alternative rapidly presented streams of numerical values. By controlling the temporal distribution of the values, we demonstrate that this process underlies many puzzling choice paradoxes, such as temporal, risk, and framing biases, as well as preference reversals. These phenomena can be explained by a simple mechanism based on the integration of values, weighted by their salience. The salience of a sampled value depends on its temporal order and momentary rank in the decision context, whereas the direction of the weighting is determined by the task framing. We show that many known choice anomalies may arise from the microstructure of the value integration process.
Theta burst stimulation dissociates attention and action updating in human inferior frontal cortex
Everyday circumstances require efficient updating of behavior. Brain systems in the right inferior frontal cortex have been identified as critical for some aspects of behavioral updating, such as stopping actions. However, the precise role of these neural systems is controversial. Here we examined how the inferior frontal cortex updates behavior by combining reversible cortical interference (transcranial magnetic stimulation) with an experimental task that measures different types of updating. We found that the right inferior frontal cortex can be functionally segregated into two subregions: a dorsal region, which is critical for visual detection of changes in the environment, and a ventral region, which updates the corresponding action plan. This dissociation reconciles competing accounts of prefrontal organization and casts light on the neural architecture of human cognitive control.
Holistic Processing Is Finely Tuned for Faces of One's Own Race
Recognizing individual faces outside one's race poses difficulty, a phenomenon known as the other-race effect. Most researchers agree that this effect results from differential experience with same-race (SR) and other-race (OR) faces. However, the specific processes that develop with visual experience and underlie the other-race effect remain to be clarified. We tested whether the integration of facial features into a whole representation--holistic processing--was larger for SR than OR faces in Caucasians and Asians without life experience with OR faces. For both classes of participants, recognition of the upper half of a composite-face stimulus was more disrupted by the bottom half (the composite-face effect) for SR than OR faces, demonstrating that SR faces are processed more holistically than OR faces. This differential holistic processing for faces of different races, probably a by-product of visual experience, may be a critical factor in the other-race effect.
Neural correlates of cognitive dissonance and choice-induced preference change
According to many modern economic theories, actions simply reflect an individual's preferences, whereas a psychological phenomenon called \"cognitive dissonance\" claims that actions can also create preference. Cognitive dissonance theory states that after making a difficult choice between two equally preferred items, the act of rejecting a favorite item induces an uncomfortable feeling (cognitive dissonance), which in turn motivates individuals to change their preferences to match their prior decision (i.e., reducing preference for rejected items). Recently, however, Chen and Risen [Chen K, Risen J (2010) J Pers Soc Psychol 99:573–594] pointed out a serious methodological problem, which casts a doubt on the very existence of this choice-induced preference change as studied over the past 50 y. Here, using a proper control condition and two measures of preferences (self-report and brain activity), we found that the mere act of making a choice can change self-report preference as well as its neural representation (i.e., striatum activity), thus providing strong evidence for choice-induced preference change. Furthermore, our data indicate that the anterior cingulate cortex and dorsolateral prefrontal cortex tracked the degree of cognitive dissonance on a trial-by-trial basis. Our findings provide important insights into the neural basis of how actions can alter an individual's preferences.