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61.
It is a feature of scientific inquiry that it proceeds alongside a multitude of non-scientific interests. This statement is
as true of the scientific inquiries of previous centuries, many of which brought scientists into conflict with institutionalised
religious thinking, as it is true of the scientific inquiries of today, which are conducted increasingly within commercial
and political contexts. However, while the fact of the coexistence of scientific and non-scientific interests has changed
little over time, what has changed with time is the effect of this coexistence on scientific inquiry itself. While scientists
may no longer construct their theories with various religious dictates in mind, growing commercial and political interests
in science have served to distort the interpretation of science. Using the U.K.’s recent crisis with bovine spongiform encephalopathy
(BSE) as my context, I examine two ways in which this distortion has occurred – the interpretation of the science of BSE by
politicians and by commercial parties for the purposes of justifying policy decisions and informing the public of risk, respectively.
Fallacious reasoning, I contend, is the manifestation of this distortion in these contexts. In demonstration of this claim,
I examine how politicians and commercial parties alike have employed two fallacies in their assessments of the science of
BSE. These fallacies extend in novel ways the set of so-called traditional informal fallacies. The interpretation of science,
I conclude, is a rich context in which to conduct a study of fallacious reasoning; moreover, such a study can contribute in
significant ways, I argue, to the public understanding of science. 相似文献
62.
J. L. A. Garcia 《Argumentation》1995,9(4):543-552
This paper critically examines a formal argument against deducing ought-judgments from is-judgments, an argument suggested by a literal reading of a famous passage in Hume'sTreatise of Human Nature. According to this argument, judgments of the two kinds have different logical structures (i.e., their subjects are differently related to their predicates) and this difference disallows cross-categorical deductive inferences. I draw on Fregean accounts of the is- copula and on syntactical interpretations of ought-judgments that have become standard in deontic logic to argue that twentieth century work in philosophical grammar and logic casts doubt on all three of the argument's premises. 相似文献
63.
William A. Rottschaefer 《Zygon》2000,35(2):253-286
Moral agency is a central feature of both religious and secular conceptions of human beings. In this paper I outline a scientific naturalistic model of moral agency making use of current findings and theories in sociobiology,developmental psychology, and social cognitive theory. The model provides answers to four central questions about moral agency: (1) what it is, (2) how it is acquired, (3) how it is put to work, and (4) how it is justified. I suggest that this model can provide religious and secular moral theories with a basis for a common understanding of moral agency. 相似文献
64.
Using randomly generated sequences of binary events we asked participants to make predictions about the next event. It turned out that while predicting uncertain events, people do not behave unsystematically. Our research identifies four types of relatively consistent strategies for predicting uncertain binary events: a strategy immune to short-run sequential dependencies consisting of the persistent prediction of long-run majority events, hereafter called the long-run momentum strategy; a strategy immune to short-run sequential dependencies consisting of the persistent prediction of long-run minority events, called the long-run contrarian strategy; a strategy sensitive to short-run sequential dependencies consisting of the prediction of short-run majority events, called the short-run momentum strategy; and a strategy sensitive to short-run sequential dependencies consisting of the prediction of short-run minority events, called the short-run contrarian strategy. When the character of events remains unknown, the most common strategy is the short-run momentum strategy. With the increase of a perceived randomness of the situation, people tend more often to use the short-run contrarian strategy. People differ in their general beliefs about the continuation or reversal of a trend in various natural and social processes. Trend believers, when facing sequences of binary events commonly perceived as random, tend to use momentum strategies, whereas those who believe in the trend's reversal tend to use contrarian strategies. 相似文献
65.
The present study tests a gestalt (closure) explanation for the gambler's fallacy which posits that runs in random events will be expected to reverse only when the run is open or ongoing. This is contrasted with the law of small numbers explanation suggesting that people expect random outcomes to balance out generally. Sixty-one university students placed hypothetical guesses and bets on a series of coin tosses. Either heads or tails were dominant (8 versus 4). In a closed run condition the run ended prior to the critical trial (e.g., HHHT), and in an open run condition the run remained open (e.g., THHH). As hypothesised, participants showed the gambler's fallacy in the open run condition, but not in the closed run condition. This difference is not due to differential memory for the outcomes. Men, and people with more previous experience gambling, were also found to be more prone to the gambler's fallacy. It is argued that the gestalt explanation best explains the results. 相似文献
66.
The gambler's fallacy and hot hand were studied in predictions about outcomes of coin tosses. A critical trial occurred when participants made predictions after a “run” of four heads or tails. Participants' attention was manipulated to focus on the person flipping the coin, the coin, or neither (control group) as a possible cause of the run. We also manipulated whether or not there was a change in who tossed the coin. In the control condition the standard reversal was observed (gambler's fallacy); however, when participants focused on the person, and it was that same person who conducted the run and critical coin toss, more people chose in the direction of continuation (hot hand). Directing attention to the person tossing the run seemed to prompt participants to behave as if that individual was “hot” in terms of getting a specific outcome (e.g., heads), as if by sympathetic magic, thus eliminating the gambler's fallacy. 相似文献
67.
Kutzner F Freytag P Vogel T Fiedler K 《Journal of the experimental analysis of behavior》2008,90(1):23-32
When humans predict criterion events based on probabilistic predictors, they often lend excessive weight to the predictor and insufficient weight to the base rate of the criterion event. In an operant analysis, using a matching-to-sample paradigm, Goodie and Fantino (1996) showed that humans exhibit base-rate neglect when predictors are associated with criterion events through physical similarity. In partial replications of their studies, we demonstrated similar effects when the predictors resembled the criterion events in terms of similarly skewed base rates. Participants' predictions were biased toward the more (or less) frequent criterion event following the more (or less) frequent predictor. This finding adds to the growing evidence for pseudocontingencies (Fiedler & Freytag, 2004), a framework that stresses base-rate influences on contingency learning. 相似文献
68.
热手谬误?赌徒谬误? ——随机序列知觉中近因效应的格式塔现象研究 总被引:1,自引:0,他引:1
通过两个实验来探讨随机序列中的近因效应。在实验1中,采用传统实验范式,让被试进行一系列的抛掷硬币结果的猜测并给予反馈,结果发现:(1)在最近连续几次硬币呈现的结果不同时,人们通常把各个结果分别作为独立的单元来看待,大部分情况下做出随机性的预期;(2)在最近连续几次硬币呈现的结果相同时,人们通常把连续几次相同的结果作为一个认知单元来看待,在最近猜测对错两种情况下分别出现了截然相反的两种近因效应。当最近1次猜对时,对下一结果的预期出现正近因效应即热手谬误,但是最近几次连续猜对时谬误减少乃至消失;当最近1次猜错时,对下一结果的预期出现负近因效应即赌徒谬误,并且最近几次连续猜错时负近因效应并未受到太大影响。实验2在实验1范式的基础上,把硬币抛掷的结果人为分组,发现被试对每一组的第一个结果做出预期时,实验1中的各种效应均消失,该现象支持关于随机序列知觉的“格式塔理论”。 相似文献
69.
Håkan Nilsson 《决策行为杂志》2008,21(4):471-490
The literature presents two major theories on the cause of the conjunction fallacy. The first attributes the conjunction fallacy to the representativeness heuristic. The second suggests that the conjunction fallacy is caused by people combining p(A) and p(B) into p(A&B) in an inappropriate manner. These two theories were contrasted in two category‐learning experiments. As predicted by the latter theory, data showed that participants that could assess p(A&B) directly made fewer conjunction fallacies than participants who had to compute p(A) and p(B) separately and then combine them into p(A&B). Least conjunction fallacies were observed in the cases where the representativeness heuristic was applicable. Overall, data showed that an inability to appropriately combine probabilities is one of the key cognitive mechanisms behind the conjunction fallacy. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
70.
The planning fallacy, or tendency to underestimate how long a task will take to complete, is a robust phenomenon. Although several explanations have been offered (e.g., ignoring underestimations made in the past), we hypothesized that self-presentation concerns may also contribute to the bias, and that this effect may be exacerbated by a previous failure to complete a task on time. Half of our sample (n = 85) were led to believe that they failed to complete an initial task on time, and half were not. Predictions were then made for time to complete a second task either verbally to a familiar experimenter (high self-presentation) or anonymously (low self-presentation). Although verbal predictions exhibited the typical planning fallacy, anonymous predictions did not. Additionally, verbal predictions were less accurate, that is, less correlated with actual completion times, than were anonymous predictions. There was no significant difference in the bias as a result of the failure manipulation, nor was there an interaction between the self-presentation and failure conditions. 相似文献