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951.
采用移动窗口技术和眼动技术探讨了文本阅读中当前信息跟背景信息的具体加工过程。被试为华南师范大学本科生92名。实验1使用移动窗口技术,计算机屏幕上每次只呈现一个句子,让被试自己按键逐句进行阅读,通过分析不同实验条件下探测词的再认反应时间和不同实验条件下目标句的阅读时间来探讨文本阅读中信息加工的具体过程。实验2使用眼动技术在一种更自然的情境中通过分析不同实验条件下眼动指标的差异来进一步探讨文本阅读中信息加工的具体过程。实验结果表明,文本阅读中背景信息的加工过程包括激活和整合两个阶段,这两个阶段相互独立但又紧密联系,激活是整合发生的前提,有整合必先发生激活,但激活发生后并不一定会发生整合;文本阅读过程中读者阅读时间的延长主要发生在整合阶段 相似文献
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该研究以超常和常态儿童各25名(平均年龄分别为6岁10个月和6岁11个月)为被试,以选择反应、图形匹配、心理旋转、和抽象匹配为基本认知任务,对超常和常态儿童的信息加工速度作了比较研究。研究者对被试的正确率和反应时作了分析。结果表明:(1)超常儿童基本信息加工能力显著优于普通儿童,具体表现在反应时更短,或正确率更高。(2)超常儿童与常态儿童信息、加工的差异与任务难度有关,在选择反应和图形匹配任务中,超常儿童的反应时显著短于常态儿童。而且,在图形匹配任务中,任务难度越大,差异越显著。而在心里旋转和抽象匹配任务中,超常儿童的正确率显著高于常态儿童。(3)任务的难度无论对超常组被试还是常态组被试的反应时及反应正确率都有影响,但影响方式不太一样。在反应时上,随着任务难度的增加,两组被试的反应时都明显延长;但在正确率上,则随着任务难度的增加,常态组被试的正确率降低,而超常组被试的正确率基本稳定在一个较高的水平上,即任务难度问的差异不显著。 相似文献
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956.
Philippe Delquié 《决策行为杂志》2008,21(1):91-109
Participants in four studies were faced with everyday‐life decision scenarios involving risk, such as purchasing an airline ticket whose price may change. They were asked to state their maximum willingness to pay (WTP) for resolving the uncertainty with either perfect information or an option. The two are strategically equivalent, therefore, should be valued in the same way. Across all experiments, individuals tend to value the option more than the information. In addition, the distributions of responses reveal frequent and gross violations of normative bounds. Contrary to normative predictions, no relationship is found between individuals' valuation of the gamble and their reported WTP for information or option. Furthermore, although participants pay attention to the probabilities of outcomes in valuing the gambles, they ignore the probabilities in valuing uncertainty resolution. Several reasoning heuristics that participants use to come up with a value of information are identified, and it appears that the Information and Option contexts tend to trigger different heuristics. Shift in reference point and regret are consistent with the Information–Option valuation discrepancy. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
957.
Hideya Kitamura 《Asian Journal of Social Psychology》2005,8(2):139-154
To test the hypothesis that a positive mood facilitates automatic processing and a negative mood facilitates controlled processing, two experiments were conducted. In Experiment 1, after positive or negative mood was induced, participants rated the attractiveness of products while listening to a music tape that they were told would have the effect of inducing a positive, negative, or neutral mood. As predicted, augmentation effects were clearer in the negative mood condition than in the positive mood condition. In Experiment 2, participants were first presented with lists of names of non-famous Japanese companies either once or four times. One or two days later, they were presented with these names again, together with new names, and were asked to judge whether those names were famous or-non-famous. As predicted, subjects in a positive mood showed more false fame judgments than those in a negative mood because those in a positive mood did not control their feeling of familiarity correctly. These results indicated that those in positive moods are more likely to engage in automatic processing. 相似文献
958.
The effect of emotional and situational factors on the decision to seek out post‐decision information about un‐chosen alternative was examined in five experiments. Experiment 1 tested participants' willingness to find out the outcome of an un‐chosen investment that was likely to have a higher value than the chosen investment. It was found that participants were more willing to acquire information when they were responsible for the decision. Experiment 2 showed that responsibility affects information seeking, in particular when one suspects that a wrong decision was made. Experiments 3–5 examined the role of regret on information seeking. It was shown that regret about making the wrong investment (Experiment 3), forgetting to send in a lottery ticket (Experiment 4), and missing an opportunity to use a discount card after spending a month in Australia (Experiment 5), mediates the information‐seeking behavior. Experiment 5 also demonstrated that the experience of regret (and not its anticipation) influences post‐decision information seeking even when the information is of no future use. Copyright © 2006 John Wiley & Sons, Ltd. 相似文献
959.
People's greater willingness to help identified victims, relative to non‐identified ones, was examined by varying the singularity of the victim (single vs. a group of eight individuals), and the availability of individually identifying information (the main difference being the inclusion of a picture in the “identified” versions). Results support the proposal that the “identified victim” effect is largely restricted to situations with a single victim: the identified single victim elicited considerably more contributions than the non‐identified single victim, while the identification of the individual group members had essentially no effect on willingness to contribute. Participants also report experiencing distress when the victim is single and identified more than in any other condition. Hence, the emotional reaction to the victims appears to be a major source of the effect. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
960.
Respondents’ overt statements of relative importance rarely correspond to weights derived from a regression analysis of their decisions. This paper conjectures that differential effects of high-level goals on importance beliefs and choices can explain these discrepancies. It is argued that the goal to justify decisions influences importance beliefs more than choices whereas the goal to assess preferences accurately affects choices more than importance beliefs. It is also argued that differential effects of high-level goals on importance statements and choices vary as a function of whether decision-maker controls the information flow and the extent of prior knowledge and experiences with choice options. These predictions were tested within the context of a contraceptive decision-making task. Choices among contraceptives made the justification goal salient to subjects by requiring tradeoffs between attributes that are either considered rational or tempting in making such decisions (e.g., health risks vs. pleasure/convenience). As predicted, subjects assigned larger importance weights to rational attributes in their subjective evaluations than in their choices whereas the impact of tempting attributes was stronger for choices than for subjective importance evaluations. Moreover, these observed discrepancies between importance measures were reduced in favor of rational attributes when subjects controlled the information flow and could not access their prior experiences. Overall, the results suggest that, although tempting attributes affect choices, decision makers appear to be unwilling to acknowledge the impact of tempting attributes on their decisions in judging attribute importance. 相似文献