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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Equalizing, Complementary, Heuristic Orientation of Situated Agents

Eunsun C. Smith (5930864) 03 January 2019 (has links)
<div>Cognitive agent architectures embed social learning algorithms and normative frameworks for adopting others’ influenced goals. However, there exists inefficiency in providing continuous, situational decision-making to emerge social, altruistic norms. The thesis reconstructs social-ecological learning mechanisms to functionally and efficiently internalize situational cooperation. By orienting agents to be self-aware of their three-dimensional vectors, i.e., physical, emotional and intellectual in graphical representations, this thesis hypothesizes the parsimonious, action-predictive four emotions that not only link perceptions, action, and cognition by events but also the emotional continuity functional to social-ecological rationality of agents in continuum. Twelve Meridian system is employed to conceptualize the equalizing, complementary, heuristic orientation (ECHO) model. ECHO simulates “naturalistic” cooperation to model embodied, social-ecological orientations by self-organizing emotions to emerge functional social network formations. ECHO delineates the soma links to perceptions, namely Twelve Meridian channels as “direct pipes” that initiates and conduct emotions and consciousness of three dimensional agenthood: physical, emotional, and intellectual desires. ECHO reconstructs emotions as entities to induce systemic, self-organized rule of delegation by integrating agents’ percepts and actuations. By modeling constitutional emotions and consciousness of eight entities, emotions within entities as “individualized emotional processors,” are constructing and integrating purposeful social, altruistic events for the efficacy of situated agents.<br></div>
2

Moral judgment and decision making under uncertainty

Fleischhut, Nadine 16 September 2013 (has links)
Die vorliegende Dissertation untersucht, wie Menschen Urteile und Entscheidungen in moralischen Situationen unter Unsicherheit treffen. In theoretischer Hinsicht wird Verhalten in moralischen Situationen aus der Perspektive begrenzter und ökologischer Rationalität analysiert, die das Zusammenspiel zwischen Kognition und der Struktur der Umwelt betont. Empirisch ist das Ziel, moralische Urteile und Verhalten unter epistemischen Bedingungen zu untersuchen, denen Menschen in der realen Welt begegnen. Das erste Projekt diskutiert aus der Perspektive ökologischer Rationalität wie das Zusammenspiel von Heuristiken und Umwelt hilft, moralisches Verhalten zu verstehen, das inkonsistent erscheint, solange es durch Charaktereigenschaften erklärt wird. Aus dieser Perspektive ist es entscheidend, soziale Umwelten zu untersuchen, da Urteile und Verhalten in moralischen Situationen oft nicht durch speziell moralische Regeln sondern durch moralisch neutrale, soziale Heuristiken entstehen können, die den Zusammenhalt sozialer Gruppen fördern. Das zweite Projekt untersucht empirisch Entscheidungen in sozialen Dilemmata. Die Kernfrage ist, wie Kooperation durch den Risikograd geprägt wird, sowie durch die Art, wie Risikoinformationen erworben werden (durch Beschreibung oder Erfahrung), im Vergleich zu nicht-sozialen Situationen mit gleichem Risiko. Kooperation variierte systematisch mit dem Risikograd, aber wie Informationen erworben wurden war nur in den nicht-sozialen Situationen relevant. Prozessdaten und Teilnehmerberichte legen nahe, dass diese Diskrepanz auf Entscheidungsprozessen beruhen könnte, in denen Erwartungen über das Verhaltens anderer sowie die Höhe der Verdienste wichtiger sind als deren Wahrscheinlichkeit. Das dritte Projekt vergleicht Urteile in moralischen Dilemmata, in denen der Verlauf der Ereignisse noch ungewiss ist (Vorschau), mit Situationen, in denen bereits sicher ist, ob negative Nebeneffekte auftreten oder nicht (Rückschau). Die Ergebnisse zeigen einen Rückschaufehler in moralischen Urteilen sowie bei der Wahrscheinlichkeitseinschätzung der Nebeneffekte. Der Unterschied zwischen moralischen Urteilen unter Sicherheit und Unsicherheit wirft die Frage auf, inwieweit sich empirische Ergebnisse generalisieren lassen, die auf den üblicherweise untersuchten moralischen Dilemmata basieren, wie z.B. den „Trolley“-Fällen, in denen alles mit Sicherheit feststeht. / In this dissertation I investigate how people make judgments and decisions in moral situations under uncertainty. Theoretically, behavior in moral situations is analyzed from the perspective of bounded and ecological rationality, which emphasizes the interplay between cognition and the structure of the environment. Empirically, the goal is to investigate moral judgment and behavior under epistemic conditions people encounter in the real world. The first project discusses from the perspective of ecological rationality how the interaction of heuristics and the environment helps explaining moral behavior that appears inconsistent from accounts referring to characteristics of the individual. This view also emphasizes the importance of studying social environments, as judgment and behavior in moral situations under uncertainty may often not result from specifically moral rules but instead from morally neutral social heuristics which serve the coherence of social groups. The second project empirically examines decisions in social dilemmas. The key question was how cooperation is shaped by different levels of risk and by the way information about risk is acquired (from description or from experience), compared to nonsocial situations with equivalent risks. Cooperation systematically varied with different levels of risk, yet the way in which information was acquired only mattered in nonsocial situations. Process data and self-reports indicated that this discrepancy may have resulted from decision processes that are more sensitive to expectations about others’ behavior and the size of rewards than to reward probabilities. The third project compared judgments in moral dilemmas when the course of events is still uncertain (foresight) with situations when it was already certain whether negative side-effects did or did not occur (hindsight). Results showed a hindsight effect for moral judgments, as well as for probability estimates of negative side-effects. As moral judgments differed under certainty and uncertainty, this raises concerns about generalizing empirical results from commonly investigated moral dilemmas, such as the “trolley” cases, in which everything is certain.

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