Results 241 to 250 of about 51,631 (281)
Five‐Year Disease Progression in Synuclein Seeding Positive Sporadic Parkinson's Disease
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To provide a comprehensive description of disease progression in synuclein seeding assay (SAA) positive sporadic Parkinson Disease participants, using Neuronal Synuclein Disease integrated biological and functional impairment staging framework.
Paulina Gonzalez‐Latapi +19 more
wiley +1 more source
The Relevance of a Probabilistic Mindset in Risky Choice.
, 2011 Camilleri, Adrian R., Newell, Ben R.
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Acta Psychologica, 2014 Previous research on the processes involved in risky decisions has rarely linked process data to choice directly. We used a simple measure based on the relative amount of attentional deployment to different components (gains/losses and their probabilities) of a risky gamble during the choice process, and we related this measure to the actual choice. In
Eduard Brandstätter, Christof Körner
exaly +3 more sources
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Incremental Evaluation of Risky Choices
Journal of the Operational Research Society, 1983This paper compares the incremental method of valuation and its possible effects on choices analysed through utility theory with similar zero-base valuations. Analysis shows how biases can arise using incremental valuations in situations with decreasing risk aversion. This could be important in certain circumstances, e.g.
Lioukas, S. K., Moore, P. G.
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Strength of Preference and Risky Choice
Operations Research, 1982This paper provides conditions under which a utility function under risk can be legitimately interpreted to measure strength of preference between consequences. These conditions require that if a decision maker regards the preference difference between acts a and b to be the same as the preference difference between acts a′ and b′ for every state of ...
exaly +2 more sources
Journalism Studies, 2017
Attempts to establish reliable predictors of journalists’ perceptions of the acceptability of various controversial newsgathering practices such as deception and intrusion have so far produced inconsistent results. This paper proposes an exploratory theoretical model, based on risk-taking theory, which identifies constructs that could be used to ...
James Hollings +2 more
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Attempts to establish reliable predictors of journalists’ perceptions of the acceptability of various controversial newsgathering practices such as deception and intrusion have so far produced inconsistent results. This paper proposes an exploratory theoretical model, based on risk-taking theory, which identifies constructs that could be used to ...
James Hollings +2 more
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Valuation for Risky and Uncertain Choices
2014In this chapter, we describe how risk and ambiguity impact the value of choice options, how this impact can be modelled formally and how it is implemented in the brain. In particular, we give an overview of two distinct ways of how risky choice options can be decomposed – either into outcomes and probabilities as proposed in economics or into ...
Tobler, Philippe N, Weber, Elke U
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Journal of Theoretical Biology, 1998
We present a family of models of choice between behavioural alternatives with stochastic outcomes (risky choice) based on the effects of Weber's Law in memory. These models generalise and extend a model of risk sensitive foraging originally proposed by Reboreda & Kacelnik [(1991) Behav. Ecol.
A, Kacelnik, F, Brito e Abreu
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We present a family of models of choice between behavioural alternatives with stochastic outcomes (risky choice) based on the effects of Weber's Law in memory. These models generalise and extend a model of risk sensitive foraging originally proposed by Reboreda & Kacelnik [(1991) Behav. Ecol.
A, Kacelnik, F, Brito e Abreu
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The minority decision — A risky choice
Journal of Experimental Social Psychology, 2015Abstract Objects are evaluated more extremely if they are rare. As minority positions represent low consensus (i.e., only few others agree), they are associated not only with high gains if correct, but also with high losses if wrong. This renders the minority position a risky option.
Erb, Hans-Peter +3 more
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Journal of Economic Behavior & Organization, 2019
Abstract We report evidence of an endowment effect for risk, extending previous results to the popular paired-choice lottery setting. Specifically, we observe a distribution of revealed preferences consistent with risk aversion that diminishes in endowed variance, although the effect is considerably weaker for compound relative to simple lotteries ...
Erin Crockett, Sean Crockett
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Abstract We report evidence of an endowment effect for risk, extending previous results to the popular paired-choice lottery setting. Specifically, we observe a distribution of revealed preferences consistent with risk aversion that diminishes in endowed variance, although the effect is considerably weaker for compound relative to simple lotteries ...
Erin Crockett, Sean Crockett
openaire +1 more source