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141.
Joseph Hayes Jeff Schimel Erik H. Faucher Todd J. Williams 《Journal of experimental social psychology》2008,44(3):600-613
Three studies assessed the impact of self-esteem threat on death-thought accessibility (DTA). Increased DTA resulted from three distinct types of self-esteem threat. Studies 1 and 2 employed negative feedback procedures in which participants were told that they scored below average on an intelligence test (Study 1), or that their personality was incongruent for their desired career path (Study 2). In Study 3, participants were led to believe that they would give an ill prepared speech in front of their peers. In Studies 1 and 2 DTA was assessed via reaction times on a lexical decision task, while Study 3 employed a word-fragment completion task. Study 3 demonstrated the DTA buffering effect of fortifying self-esteem via self-affirmation. Discussion focused on general implications for TMT, self-esteem, and mental health. 相似文献
142.
Erik Carlson 《Journal of mathematical psychology》2008,52(4):250-259
Standard theories of extensive measurement assume that the objects to be measured form a complete order with respect to the relevant property. In this paper, representation and uniqueness theorems are presented for a theory that departs radically from this completeness assumption. It is first shown that any quasi-order on a countable set can be represented by vectors of real numbers. If such an order is supplemented by a concatenation operator, yielding a relational structure that satisfies a set of axioms similar to the standard axioms for an extensive structure, we obtain a scale possessing the crucial properties of a ratio scale. Incomparability is thus compatible with extensive measurement. The paper ends with a brief discussion on some possible applications and developments of this result. 相似文献
143.
The Dispositional Hope Scale (DHS; C. R. Snyder et al., 1991) consists of two subsets of items measuring Agency and Pathways. The authors used bifactor analysis to evaluate the dimensionality structure of the scale. Data from 676 persons (295 psychiatric patients, 112 delinquents, and 269 students) were analyzed. The authors conclude that although the Pathway items seem to explain some additional variance when the Hope scale variance is partionalized out, the DHS allows unidimensional measurement. 相似文献
144.
It has been claimed that the detection of a feature singleton can be based on activity in a feature map that allows coarse
coding that something unique is present in the visual field. In the present study, participants detected the presence or absence
of a color singleton. Even though the letter form of the color singleton was task-irrelevant, we showed that repeating the
letter form of the singleton resulted in repetition priming on the next trial. Such repetition priming was not found when
a nonsingleton letter was repeated as the singleton. Since the letter form of the color singleton could only be picked up
by focal attention, the repetition priming effect indicates that focal attention is allocated to the feature singleton even
in the simplest present-absent feature detection tasks. We showed that this effect is equally strong in conditions of low
and high perceptual load. These results are inconsistent with theories that it is possible to detect a feature singleton without
directing some form of attention to its location. 相似文献
145.
A critical challenge for visual perception is to represent objects as the same persisting individuals over time and motion. Across several areas of cognitive science, researchers have identified cohesion as among the most important theoretical principles of object persistence: An object must maintain a single bounded contour over time. Drawing inspiration from recent work in adult visual cognition, the present study tested the power of cohesion as a constraint as it operates early in development. In particular, we tested whether the most minimal cohesion violation - a single object splitting into two - would destroy infants' ability to represent a quantity of objects over occlusion. In a forced-choice crawling paradigm, 10- and 12-month-old infants witnessed crackers being sequentially placed into containers, and typically crawled toward the container with the greater cracker quantity. When one of the crackers was visibly split in half, however, infants failed to represent the relative quantities, despite controls for the overall quantities and the motions involved. This result helps to characterize the fidelity and specificity of cohesion as a fundamental principle of object persistence, suggesting that even the simplest possible cohesion violation can dramatically impair infants' object representations and influence their overt behavior. 相似文献
146.
The standard way of representing an epistemic state in formal philosophy is in terms of a set of sentences, corresponding to the agent’s beliefs, and an ordering of those sentences, reflecting how well entrenched they are in the agent’s epistemic state. We argue that this wide-spread representational view – a view that we identify as a “Quinean dogma” – is incapable of making certain crucial distinctions. We propose, as a remedy, that any adequate representation of epistemic states must also include the agent’s research agenda, i.e., the list of question that are open or closed at any given point in time. If the argument of the paper is sound, a person’s questions and practical interests, on the one hand, and her beliefs and theoretical values, on the other, are more tightly interwoven than has previously been assumed to be the case in formal epistemology. 相似文献
147.
Erik Cornell 《Islam & Christian-Muslim Relations》2006,17(1):1-20
About 20 million men and women, a quarter of the population of Turkey, are Alevites, affiliated to the Bektashi Order, holding very liberal views related to those of the Mevlana Order. They have no mosques in their villages but community houses, where men and women together take part in cult ceremonies. They do not pray five times a day, neither do they fast. Alcohol is consumed in connection with initiation, men and women are equal and women do not wear veils, etc. As a consequence they are persecuted by Sunni neighbours as heretics and have been victims of arson attacks. The author received four years of weekly instruction by a Bektashi elder on questions related to faith, but not on the origin and context of the beliefs, which were virtually inaccessible locally. Further study has shown that their origin is in liberal Sufi thought, going back to Neoplatonism, Plotinus and the hermetic tradition. This tradition survives in Anatolia. 相似文献
148.
Erik M. Heen 《Dialog》2006,45(1):9-20
Abstract: This article describes the biblical hermeneutics that inform the Evangelical Lutheran Church in America by comparing the ELCA's tradition of biblical interpretation with that of the Lutheran Church‐Missouri Synod. It sets both against the great social and intellectual challenges of the early twentieth century, including the modernist/fundamentalist controversy. One commonality that surfaces is that both church bodies appropriated pre‐modern hermeneutical impulses for “counter modern” biblical apologetics. In this process the LC‐MS privileged the period of Lutheran Orthodoxy (17th century) while the ELCA constructed its hermeneutical paradigm through a recovery of the early Reformation (Luther). This observation suggests that both interpretive trajectories need further historical as well as theological review and revision. 相似文献
149.
Lars Nyberg Lillemor Lundin-Olsson Bj?rn Sondell Anders Backman Kenneth Holmlund Staffan Eriksson Michael Stenvall Erik Rosendahl Marcus Maxhall Gustaf Bucht 《Cyberpsychology & behavior》2006,9(4):388-395
Falls and fall-related injuries are a major problem for elderly persons. Most falls occur during walking and turning, and the risk of falling increases when attention is diverted to something besides walking. It is often difficult to standardize methods for testing balance and fall tendency in a clinically relevant setting. We describe the development of a system using a virtual environment (VE) to assess how attention demanding and unexpected events influence a person's capacity to control balance and movement. The hardware in the system consists of a head-mounted display (HMD), a magnetic tracker system, and two SGI computers. The software consists of the image generation of the VE and the management and visualization of motion tracking data. In a preliminary pilot study eight subjects (age 23-80) participated. Each subject walked on a normal floor and was visually presented a familiar outdoor environment in the HMD. They were exposed to different unexpected events, such as a virtual snowfall and tilting of the VE. Disturbances of balance and walking patterns such as changes in speed, stride length and balance reactions like slipping were observed. Two subjects experienced symptoms of cyber sickness with a SSQ score above 25 points. Walking with sensors only did not affect walking time, but in VE the subjects generally walked more slowly. Virtual tilting of the environment had an impact on balance performance during walking. This effect was not observed while the test subjects were walking in a virtual snowfall. The model needs further development but may hold a potential for clinical use. 相似文献
150.