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211.
212.
This paper presents people accounting—a hypothesis that describes how a simple numerical imbalance in representation along nominal social category lines can affect people’s choice of candidates in highly competitive situations (e.g., awards, jobs, etc.). For example, two scholarship finalists from California and New York may be equally qualified, but the award-winning chance for the California candidate will drop precipitously if 8 of the past 10 winners were from California. Studies 1-3 illustrate this effect. Study 4 links people accounting to intergroup fairness concerns and suggests that people accounting is more likely to occur when the category dimension is meaningful (e.g., Stanford/Princeton) than when it is not (e.g., left/right-handedness). Study 5 shows that candidates from overrepresented categories (e.g., “Californians”) must achieve higher minimum standards in order to be selected. The implication is that highly competitive decisions are often influenced by headcounts along mundane social category lines. 相似文献
213.
Hamblin’s Action-State Semantics provides a sound philosophical foundation for understanding the character of the imperative.
Taking this as our inspiration, in this paper we present a logic of action, which we call ST, that captures the clear ontological distinction between being responsible for the achievement of a state of affairs and
being responsible for the performance of an action. We argue that a relativised modal logic of type RT founded upon a ternary
relation over possible worlds integrated with a basic tense logic captures intuitions of the Hamblinian model of imperatives.
The logic implements a direct mapping of each of Hamblin’s key concepts: strategies, partial strategies and wholehearted satisfaction. 相似文献
214.
Standard Kripke models are inadequate to model situations of inexact knowledge with introspection, since positive and negative
introspection force the relation of epistemic indiscernibility to be transitive and euclidean. Correlatively, Williamson’s
margin for error semantics for inexact knowledge invalidates axioms 4 and 5. We present a new semantics for modal logic which
is shown to be complete for K45, without constraining the accessibility relation to be transitive or euclidean. The semantics corresponds to a system of
modular knowledge, in which iterated modalities and simple modalities are not on a par. We show how the semantics helps to
solve Williamson’s luminosity paradox, and argue that it corresponds to an integrated model of perceptual and introspective
knowledge that is psychologically more plausible than the one defended by Williamson. We formulate a generalized version of
the semantics, called token semantics, in which modalities are iteration-sensitive up to degree n and insensitive beyond n. The multi-agent version of the semantics yields a resource-sensitive logic with implications for the representation of common
knowledge in situations of bounded rationality. 相似文献
215.
David Birch 《Journal of mathematical psychology》2009,53(2):106-118
Motivational psychology and ethology conceive of behavior as a continuous stream of activities, a conceptualization that is taken up formally in the present paper. Modeling the stream of behavior, unlike modeling an individual activity selected out of the stream, requires processes of data generation that govern the repeated overt appearances of activities through time. To this end the motivation theory of the dynamics of action, with its self-contained data generating process, is employed as a mathematical framework. The resulting theory, modeled as a continuous succession of mutually exclusive and exhaustive activities driven by the countdown of activation times, yields expectations for the relative frequencies of transitions and the distributions of transition times in a stream segment. Results supporting the theory were obtained in a series of critical tests using a unique data set provided by the artist Morgan O’Hara who has made extensive recordings of her stream of behavior. 相似文献
216.
Elizabeth B. Liddle Gaia Scerif Christopher P. Hollis Madeleine J. Groom Peter F. Liddle 《Cognition》2009,112(1):141-158
The acquisition of volitional control depends, in part, on developing the ability to countermand a planned action. Many tasks have been used to tap the efficiency of this process, but few studies have investigated how it may be modulated by participants’ motivation. Multiple mechanisms may be involved in the deliberate exercise of caution when incentives are provided. For example, control may involve modulation of the efficiency of the countermanding process, and/or inhibitory modulation of the impulse to go. One of the most commonly used paradigms to assess control of action is the Stop Signal Task, in which a primary Go stimulus is occasionally followed by a countermanding Stop signal, allowing a Stop Signal Reaction Time (SSRT) to be inferred as the outcome of a “horse race” between the go and countermanding processes. Here, we present a computational model in which high task motivation modulates proactive pre-stimulus inhibition of the go response. This allows responses to be calibrated so as to fall within a time-window that maximizes the probability of success, regardless of trial type, but does not decrease the observed SSRT. We report empirical support for the model from a sample of typically developing children, and discuss the broader implications for operationalizing measures of volitional control. 相似文献
217.
Robert M. Galatzer-Levy 《The International journal of psycho-analysis》2009,90(5):983-1007
This paper develops a new model for the action of psychoanalysis based on concepts from non-linear dynamics (chaos theory and complexity theory). It shows that the analyst–analysand couple may be conceptualized as a new configuration with its own properties that promote complex development in both members of the couple. These developments are an emergent result of the formation of the analyst–analysand couple and are significantly independent of the particular content of the manifest interaction of the couple. The well-studied phenomena of coupled oscillators suggest the specific features of the analysand–analyst interaction that are likely to be most important in conceptualizing analytic change. The model has substantial clinical applications since efforts to arrange for a coupled oscillator system that is central to it are distinct from many of the traditional considerations associated with creating an analytic situation. 相似文献
218.
The aim of the current study was to evaluate the services offered by Action for ME to sufferers of Chronic Fatigue Syndrome using measures developed and validated in previous research. Preliminary studies had suggested that clients attending rehabilitation residential courses were benefiting from the service. A further, more in‐depth evaluation process with a greater number of health‐related outcome measures was warranted. In addition, assessment was widened to include other services offered to sufferers of the illness. Data relating to the usefulness and success of the services (rated by the clients) were also collected. Data from client volunteers were collected at baseline (that is, before intervention) and approximately six months later. Quantitative comparative analyses were conducted using within‐group comparisons to assess any improvements in scores at six‐month follow‐up from baseline. Fifty‐six participants completed wide‐ranging questionnaires assessing illness history, psychopathology, psychosocial factors and health and well‐being. Data relating to improvements in illness status and acceptability of treatment were also collected by means of global outcome measures. Both the counselling and residential groups showed improvements in many areas assessed at follow‐up. Most importantly, improvements were indicated in areas such as fatigue and the levels of disability suffered by patients. In addition, there were significant improvements in ratings of mood, anxiety, depression and physical symptoms. Overall, clients reported satisfaction with the care received and most found the services useful. All of the participants who completed the evaluation stated that they would recommend Action for ME services to fellow sufferers. The outcome of the current study is encouraging. The data presented provides evidence of the high level of support and advice Action for ME offers to sufferers of this illness. Furthermore, measurable improvements in scores relating to illness status were accompanied by improvements in mental health and psychosocial variables in the patient group. 相似文献
219.
Guy Axtell 《Synthese》2007,158(3):363-383
This essay extends my side of a discussion begun earlier with Duncan Pritchard, the recent author of Epistemic Luck.Pritchard’s work contributes significantly to improving the “diagnostic appeal” of a neo-Moorean philosophical response to
radical scepticism. While agreeing with Pritchard in many respects, the paper questions the need for his concession to the
sceptic that the neo-Moorean is capable at best of recovering “‘brute’ externalist knowledge”. The paper discusses and directly
responds to a dilemma that Pritchard poses for virtue epistemologies (VE). It also takes issue with Pritchard’s “merely safety-based”
alternative. Ultimately, however, the criticisms made here of Pritchard’s dilemma and its underlying contrast of “anti-luck”
and “virtue” epistemologies are intended to help realize his own aspirations for a better diagnosis of radical scepticism
to inform a still better neo-Moorean response. 相似文献
220.
Janzen R Nelson G Hausfather N Ochocka J 《American journal of community psychology》2007,39(3-4):287-299
Since the 1970s mental health consumer-run organizations have come to offer not only mutual support, but they have also adopted
agendas for broader social change. Despite an awareness of the need for system level efforts that create supportive environments
for their members, there has been limited research demonstrating how their system level activities can be documented or their
impacts evaluated. The purpose of this paper is to feature a method of evaluating systems change activities and impacts. The
paper is based on a longitudinal study evaluating four mental health consumer-run organizations in Ontario, Canada. The study
tracked system level activities and impacts using both qualitative and quantitative methodologies. The article begins by describing
the development and implementation of these methods. Next it offers a critical analysis of the methods used. It concludes
by reflecting on three lessons learned about capturing system level activities and impacts of mental health consumer-run organizations. 相似文献