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531.
Peter Fischer Eva Jonas Dieter Frey Andreas Kastenmüller 《Journal of experimental social psychology》2008,44(2):312-320
When people make decisions, they often prefer to receive information that supports rather than conflicts with their decision. To date, this effect has mainly been investigated in the context of decisions about gains, whereas decisions about losses have received less attention. Based on Prospect Theory, we expected information search to be differently affected by whether people previously have decided about gains or losses. Three studies have revealed that selectivity of information search is stronger after gain-framed rather than after loss-framed decision problems. An investigation of the underlying psychological processes revealed that gain decisions are made with increased subjective decision certainty (i.e. they are easier and less effortful to make), which in turn systematically increases confirmatory information search. 相似文献
532.
When facing a decision, people often rely on advice received from others. Previous studies have shown that people tend to discount others’ opinions. Yet, such discounting varies according to several factors. This paper isolates one of these factors: the cost of advice. Specifically, three experiments investigate whether the cost of advice, independent of its quality, affects how people use advice. The studies use the Judge–Advisor System (JAS) to investigate whether people value advice from others more when it costs money than when it is free, and examine the psychological processes that could account for this effect. The results show that people use paid advice significantly more than free advice and suggest that this effect is due to the same forces that have been documented in the literature to explain the sunk costs fallacy. Implications for circumstances under which people value others’ opinions are discussed. 相似文献
533.
Adults assess precisely the center of mass (CM) of single-bodied objects and choose grasping points that span an axis through or close to the center of mass when lifting them. The present study examined how children and adults assess the CM when lifting two-bodied objects (barbells) and how this ability develops. Four- to five-year olds, 6- to 7-year olds, 9- to 11-year olds and adults were required to grasp and lift symmetrically and asymmetrically proportioned miniature barbells and their grasping points were recorded. While the 4- to 5-year olds grasped near the center of the barbell, accuracy of assessing the correct CM improved linearly with age. Although adults grasped close to the CM, their CM determination follows only an approximation of the physical law. 相似文献
534.
选取受过音乐训练和未受过音乐训练的汉语儿童为被试,在同一呈现速率条件下以歌曲、韵律和朗读三种方式呈现一段英文材料,从单词、句子和篇章三个层面探讨音乐训练经验和材料呈现方式对第二语言言语记忆的影响。结果发现:1)音乐组的记忆成绩高于非音乐组;2)相比于朗读材料,儿童对于歌曲和韵律材料的记忆效果更好;3)在单词和句子层面,音乐组和非音乐组的差异主要体现在歌曲材料上,而篇章层面没有类似发现。该结果表明音乐训练和材料呈现方式均能影响儿童的第二语言言语记忆,并且音乐训练效应对材料呈现方式表现出选择性 相似文献
535.
For over four decades the Wisconsin Card Sorting Test (WCST) has been one of the most distinctive tests of prefrontal function. Clinical research and recent brain imaging have brought into question the validity and specificity of this test as a marker of frontal dysfunction. Clinical studies with neurological patients have confirmed that, in its traditional form, the WCST fails to discriminate between frontal and non-frontal lesions. In addition, functional brain imaging studies show rapid and widespread activation across frontal and non-frontal brain regions during WCST performance. These studies suggest that the concept of an anatomically pure test of prefrontal function is not only empirically unattainable, but also theoretically inaccurate. The aim of the present review is to examine the causes of these criticisms and to resolve them by incorporating new methodological and conceptual advances in order to improve the construct validity of WCST scores and their relationship to prefrontal executive functions. We conclude that these objectives can be achieved by drawing on theory-guided experimental design, and on precise spatial and temporal sampling of brain activity, and then exemplify this using an integrative model of prefrontal function [i.e., Miller, E. K. (2000). The prefrontal cortex and cognitive control. Nature Reviews Neuroscience, 1, 59–65.] combined with the formal information theoretical approach to cognitive control [Koechlin, E., & Summerfield, C. (2007). An information theoretical approach to prefrontal executive function. Trends in Cognitive Sciences, 11, 229–235.]. 相似文献
536.
This study investigates the way in which speakers determine which aspects of an utterance to emphasize and how this affects the form of utterances. To do this, we ask whether the binding between emphasis and thematic roles persists between utterances. In one within-language (Dutch-Dutch) and three cross-linguistic (Dutch-English) structural priming experiments, we measured persistence effects for four different Dutch transitives (actives, PP-initial passives, PP-medial passives, and PP-final passives). Whereas English allows only one passive (PP-final passive), Dutch allows three different variants with the same functional assignment, but different constituent structures. Additionally, the degree of emphasis on the agent differs significantly between the PP-initial passive and the other passives (Experiment 1). Experiment 2 showed persistence of actives, PP-medial, and PP-final passives in Dutch, but no priming between passives with different constituent structures. Experiments 3 and 4, however, showed that both PP-medial and PP-final passives prime the use of English passives. Experiment 5 confirmed that the emphasis on thematic roles persists: the proportion of passives in the PP-initial passive condition fell midway between the proportions produced in the active and PP-medial passive condition. 相似文献
537.
Edwin D. Mares 《Synthese》2009,167(2):343-362
This paper sets out a philosophical interpretation of the model theory of Mares and Goldblatt (The Journal of Symbolic Logic
71, 2006). This interpretation distinguishes between truth conditions and information conditions. Whereas the usual Tarskian
truth condition holds for universally quantified statements, their information condition is quite different. The information
condition utilizes general propositions. The present paper gives a philosophical explanation of general propositions and argues that these are needed to give an
adequate theory of general information. 相似文献
538.
Giorgio De Michelis Marco Loregian Claudio Moderini 《Knowledge, Technology, and Policy》2009,22(1):71-78
Background In the last 30 years, there has been little innovation in workstations. The desktop metaphor has become the standard user
interface, with its pros (e.g., ease of learning) and cons (e.g., interaction constraints for skilled users, lack of context
awareness).
Objectives In this paper, we present itsme, an Italian initiative to design the next-generation workstation. Interaction design is the basis of the project, as well
as the involvement of a wide community of contributing users.
Results The early design phases of the project led to the definition of a new metaphor for personal computing, based on stories and
venues. The metaphor is being adopted for the development of a novel front-end for the Linux operating system, aimed at fulfilling
the needs and desires of knowledge workers.
相似文献
Claudio ModeriniEmail: URL: http://www.itsme.it |
539.
This research was aimed at learning more about the different psychological mechanisms underlying children’s suggestibility
to leading questions, on the one hand, and children’s suggestibility to negative feedback, on the other, by distinguishing
between interview questions concerning different types of information. Results showed that, unlike the developmental pattern
of children’s suggestibility to leading questions, the developmental pattern of children’s suggestibility to negative feedback
differed depending on whether the interview questions concerned external facts (physical states and events) or internal facts
(mental states and events). This difference was not manifested in response to questions concerning central versus peripheral
facts. Results are interpreted in terms of the hypothesis that children’s suggestibility to negative feedback is differently
affected by “Theory-of-Mind” abilities than children’s suggestibility to leading questions. Further research is needed in
order to test this hypothesis. 相似文献
540.
Samuel D. Bond Kurt A. Carlson Margaret G. Meloy J. Edward Russo Robin J. Tanner 《Organizational behavior and human decision processes》2007,102(2):240-254
Extending previous work on biased predecisional processing, we investigate the distortion of information during the evaluation of a single option. A coherence-based account of the evaluation task suggests that individuals will form an initial assessment of favorability toward the option and then bias their evaluation of subsequent information to cohere with their initial disposition. Three experiments tested this hypothesis. Initial disposition was manipulated (Studies 1 and 3) or measured (Study 2), and attribute ratings were collected as indicators of information distortion. Results from all three experiments indicate that attribute evaluations were biased to favor initial dispositions. These findings provide evidence that information distortion is one cause of primacy effects in judgment and decision-making settings involving a single option. 相似文献