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571.
572.
Ben Saunders 《Ethical Theory and Moral Practice》2009,12(3):279-290
The three most common responses to Taurek’s ‘numbers problem’ are saving the greater number, equal chance lotteries and weighted
lotteries. Weighted lotteries have perhaps received the least support, having been criticized by Scanlon What We Owe to Each
Other (1998) and Hirose ‘Fairness in Life and Death Cases’ (2007). This article considers these objections in turn, and argues that they do not succeed in refuting the fairness of a weighted
lottery, which remains a potential solution to cases of conflict. Moreover, it shows how these responses actually lead to
a new argument for weighted lotteries, appealing to fairness and Pareto-optimality.
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Ben SaundersEmail: |
573.
Iain Greenlees Ben Hall William Filby Richard Thelwell Richard Buscombe Matthew J. Smith 《Psychology of sport and exercise》2009,10(2):300-303
ObjectivesThe aim of the study was to examine the impact of warnings on order effects in attributions of ability.MethodQualified soccer coaches (N = 146) rated the ability of two soccer players (a control and target player) each shown, on video, performing a passing task eight times. For the control player, all participants saw the same footage in the same order. For the target player, participants viewed the same footage with half viewing a declining (successful to unsuccessful) performance pattern and half viewing an ascending pattern. Additionally, coaches either received no warning of the danger of order effects, a warning prior to viewing any footage, a warning prior to viewing the target player or a warning prior to rating the target player.ResultsResults indicated that primacy effects were observed in the no warning condition and the warning prior to rating the target. However, when warnings were given prior to observing the target player no order effects were observed.ConclusionThe results indicate that order effects can be eliminated by warning observers of the phenomenon. 相似文献
574.
Ben Bradley 《Philosophical Studies》2007,133(1):45-53
Sometimes people desire that their lives go badly, take pleasure in their lives going badly, or believe that their lives are
going badly. As a result, some popular theories of welfare are paradoxical. I show that no attempt to defend those theories
from the paradox fully succeeds. 相似文献
575.
EMOTLAB software creates a virtual social environment in which individuals interact via computer with a virtual interaction partner in a series of economic bargaining games. The virtual partner appears on the participant's computer screen as a digital image (e.g., video or picture file) during each trial. A key feature of EMOTLAB software is its ability to control both the strategic behavior and the emotion signaling behavior (e.g., anger vs. embarrassment) of the virtual interaction partner. By simply editing a series of text files that control the subroutines governing the different features of the experiment (payoff structure, number of trials, etc.), EMOTLAB can generate an essentially infinite number of different social bargaining situations in which participants earn monetary payoffs contingent upon their decisions. This paper provides an overview of this software and how one can edit various subroutines to generate a typical experimental session in which research participants encounter a virtual interaction partner who displays different emotional signals. 相似文献
576.
The human eye is unique amongst those of primates in having white sclera against which the dark iris is clearly visible. This high-contrast structure makes the gaze direction of a human potentially easily perceptible to others. For a social creature such as a human, the ability to perceive the direction of another's gaze may be very useful, since gaze usually signals attention. We report data showing that the accuracy of gaze deviation detection is independent of viewing distance up to a certain critical distance, beyond which it collapses. This is, of itself, surprising since most visual tasks are performed better at closer viewing distances. Our data also show that the critical distance, but not accuracy, is affected by the position of the eyebrows so that lowering the eyebrows reduces the critical distance. These findings show that mechanisms exist by which humans could expand or restrict the availability of their gaze direction to others. A way to regulate the availability of the gaze direction signal could be an advantage. We show that an interpretation of eyebrow function in these terms provides a novel explanation for several well-known eyebrow actions, including the eyebrow flash. 相似文献
577.
The purpose of this study was to examine moment-by-moment fluctuations in text comprehension processing and determine how and when poor and good comprehenders differ. To do so, we reanalyzed a dataset of think-aloud protocols from 138 intermediate elementary students. Both good and poor comprehenders used a variety of processing strategies when reading text; however, good comprehenders were more strategic in which processes they used than were poor comprehenders. Patterns of two types of poor comprehenders were also analyzed: paraphrasers and lateral connectors. The results indicate that these different reader types not only vary in aggregate but also moment-by-moment processing. 相似文献
578.
Recent research revealed considerable decline in visual perception under low luminance conditions. However, systematic studies on how visual performance is affected by absolute luminance and luminance contrast under low mesopic conditions (<0.5 cd/m2) is lacking. We examined performance in a simple visual discrimination task under low mesopic luminance conditions in three experiments in which we systematically varied base luminance and luminance contrast between stimulus and background. We further manipulated eccentricity of the stimuli because of known rods and cones gradients along the retina. We identified a “deficiency window” for performance as measured by d’ when luminance was < 0.06 cd/m2 and luminance contrast as measured by the luminance ratio between stimulus and background was below < 1.7. We further calculated performance-based luminance as well as contrast efficiency functions for reaction times (RTs). These power functions demonstrate the contrast asymptote needed to decrease RTs and how such a decrease can be achieved given various combinations of absolute luminance and luminance contrast manipulations. Increased eccentricity resulted in slower RTs indicative of longer scan distances. Our data provide initial insights to performance-based efficiency functions in low mesopic environments that are currently lacking and to the physical mechanisms being utilized for visual perception in these extreme environments. 相似文献
579.
Sandra Bem revolutionized psychology with her research on gender, androgyny, and gender schematicity, which culminated in her book, The Lenses of Gender. Her work also provides a model for how to cross inter-disciplinary lines to enhance scholarship and reach political goals. We analyze similarities and differences between Bem’s scholarship and scholarship in queer theory, a theoretical movement in the humanities that analyzes discourses that construct man/woman and straight/gay binaries. There are important overlaps between Bem’s lenses of gender (biological essentialism, gender polarization, and androcentrism) and the ideas of many queer theorists. There are also several interesting differences between Bem’s ideas and queer theory: attention to the intrapsychic processes that make up gender, the extent to which individuals can be liberated from gender, proliferating versus contesting gender, intersectionality, and epistemology and methodology. By assessing the similarities and differences between Bem and queer theorists, we show that the two complement each other, affording a better understanding of gender and sexuality. Additionally, both Bem and queer theory lend insight into feminist and queer activism. The theoretical and political advances that can be made by integrating Bem’s ideas and those of queer theorists serve as examples for why it is worthwhile to cross disciplinary lines. 相似文献
580.
People Wait Longer when the Alternative is Risky: The Relation Between Preferences in Risky and Inter‐temporal Choice 下载免费PDF全文
In two experiments, we demonstrate that despite indicating indifference when probed about risk or delay in isolation, when forced to explicitly trade‐off between the two, participants prefer delayed over risky rewards. This pattern of findings sets a boundary condition for any common utility‐based comparison process involving both risk and delay. Furthermore, this change from indifference‐in‐isolation to delay‐preference‐in‐a‐trade‐off strengthens as reward amount increases. Exploratory modeling results suggest that the shift in preference can be explained by allowing for different discount rates for delay‐only choices compared with when delay is in competition with risk. This explanation is better than one in which probability weighting is different between risk‐only choices and risks considered in the presence of a delay. Together, the empirical and modeling work lays a path for future investigations of why and when people's evaluation of the properties of risky and delayed choices vary as a function of the alternatives on offer. Copyright © 2017 John Wiley & Sons, Ltd. 相似文献