Recursos de colección

Repositório do ISPA Instituto Superior de Psicologia Aplicada (11.168 recursos)

No Repositório do ISPA pode encontrar diversos tipos de documentos, em formato digital, resultantes da produção científica do ISPA designadamente: teses de doutoramento, teses de mestrado, artigos em publicações periódicas nacionais e internacionais, relatórios técnicos, artigos em actas de conferências nacionais e internacionais e capítulos de livros.

PECO - Artigos em revistas internacionais

Mostrando recursos 1 - 3 de 3

  1. Discounting by intervals: A generalized model of intertemporal choice

    Scholten, Marc; Read, Daniel
    According to most models of intertemporal choice, an agent’s discount rate is a function of how far the outcomes are removed from the present, and nothing else. This view has been challenged by recent studies, which show that discount rates tend to be higher the closer the outcomes are to one another (subadditive discounting) and that this can give rise to intransitive intertemporal choice. We develop and test a generalized model of intertemporal choice, the Discounting By Intervals (DBI) model, according to which the discount rate is a function of both how far outcomes are removed from the present and how far the outcomes are...
    - 30-nov-2013

  2. DRIFT: An analysis of outcome framing in intertemporal choice

    Read, Daniel; Frederick, Shane; Scholten, Marc
    People prefer to receive good outcomes immediately rather than wait, and they must be compensated for waiting. But what influences their decision about how much compensation is required for a given wait? To give a partial answer to this question, we develop the DRIFT model, a heuristic description of how framing influences intertemporal choice. We describe 4 experiments showing the implications of this model. In the experiments, we vary how the difference between a smaller sooner outcome and a larger later outcome is framed—either as total interest earned, as an interest rate, or as total amount earned (the conventional frame in studies of intertemporal choice)—and whether...
    - 04-jul-2013

  3. Tradeoffs between sequences: Weighing accumulated outcomes against outcome-adjusted delays

    Read, Daniel; Scholten, Marc
    We extend the recently proposed tradeoff model of intertemporal choice (Scholten & Read, 2010) from choices between pairs of single outcomes to pairwise choices involving two-outcome sequences. The core of our proposal is that choices between sequences are made by weighing accumulated outcomes against outcome-adjusted delays. Thus extended, the tradeoff model offers a unified account of recently discovered anomalies in pairwise choices involving two-outcome sequences, including (a) the hiddenzero effect, in which explicit reference to the zero outcomes of the options increases patience, (b) the front-end amount effect, in which the addition of a front-end amount to both options decreases patience, and (c) the mere token effect,...
    - 30-nov-2012

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