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81.
Three experiments were conducted to investigate the influence of fast temporally segmented presentations of alternate rows or columns on the perception of grids of either symmetrically or asymmetrically spaced dot-like stimuli. Experiments 1a and 1b demonstrated that observers were able to discriminate between temporally segmented presentations of rows/columns stimuli, but showed a reduced performance in discrimination between non-temporally segmented stimuli and temporally segmented stimuli that were spatially unstructured. Experiment 2 confirmed the influence of temporally segmented presentations of rows and columns using elements whose mean luminance summed to the same as the display background. Experiment 3 demonstrated that the influence of temporal cues reduced when display elements were asymmetrically spaced. The results are discussed in terms of the influence of external spatio-temporal factors on the neural mechanisms of visual grouping.  相似文献   
82.
Psychological research has found that being asked to predict one's future actions can bring about subsequent behavior consistent with the prediction but different from what would have occurred had no prediction been made. In a 1987 study, Greenwald, Carnot, Beach, and Young induced an increase in voting behavior by means of such a "self-prophecy" effect: Undergraduates who were asked to predict whether they would vote in an upcoming election were substantially more likely to go to the polls than those who had not been asked for a prediction. This paper reports on a replication of the Greenwald study conducted among a larger group of respondents more representative of the American electorate. No evidence was found that self-prophecy effects increase voter turnout.  相似文献   
83.
Efforts to change power differences with others who are equal and unequal in power were examined. According to social comparison theory (Festinger, 1954; Rijsman, 1983), people prefer slight superiority in power over comparison others. In Experiment 1, 93 participants imagined working with two others in a group. Group members varied in hierarchical rank and on exact power scores. Participants indicated their preferred changes in power differences. Social comparison theory was supported regarding rank differences, but not regarding power scores. In Experiment 2, 145 participants imagined a similar group setting. Group members were equal, unequal, or very unequal in power. Social comparison theory was supported regarding ranks: power differences with an equally powerful person were increased more often than with a less powerful person. Power scores again yielded no effects. This suggests that social comparisons of power are based on rank and not interval information.  相似文献   
84.
This study examines the distribution and correlates of a special class of property crimes, crimes of trust, using longitudinal and cross sectional self-report data from a national sample. We begin by defining crimes of trust and consider their conceptual relationship to "conventional" property crimes, which we here characterize as crimes of stealth, and to white collar crimes, which are defined in terms of the social status of the perpetrators. Crimes of trust are here defined as property crimes that typically involve deliberate contact with the victim or, where there is more than one victim, with at least one or more victims, in which there is typically more of a focus on concealing the fact that a crime has been committed than on concealing the identity of the perpetrator (as is the case in crimes of stealth), without regard to the socioeconomic status of the perpetrator (thus including but not limited to white collar crimes). The focus here is on crimes of trust committed by individuals (as opposed to corporate crime). We first examine their distribution by sociodemographic characteristics, then examine the correlation of crimes of trust with other types of illegal behavior, using data from the National Youth Survey Family Study, including (1) longitudinal self-report data from a nationally representative panel of individuals who were 11-18 years old in 1976-77 and who were followed through early middle age (ages 36-44) in 2002-2003, plus (2) cross-sectional data on these individuals plus their parents, spouses, and children age 11 and older in 2002-2003 (total age range 11-88). The results suggest that crimes of trust have a different age-crime curve from conventional crimes, and that they are not as strongly correlated with problem substance use, gender, and other socioeconomic indicators as conventional crimes.  相似文献   
85.
I examine here if Kant can explain our knowledge of duration by showing that time has metric structure. To do so, I spell out two possible solutions: time's metric could be intrinsic or extrinsic. I argue that Kant's resources are too weak to secure any intrinsic, transcendentally‐based temporal metrics; but he can supply an extrinsic metric, based in a metaphysical fact about matter. I conclude that Transcendental Idealism is incomplete: it cannot account for the durative aspects of experience—or it can do so only with help from a non‐trivial metaphysics of material substance.  相似文献   
86.
U. S. A.     
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87.
In a study of humor disguised as a psychophysical task, 60 subjects judged an initial series of 10 weights which was either light or heavy and then a shift weight which was either light, medium, or heavy. Degree of humorous response varied with the discrepancy of the shift weight and its absolute magnitude.  相似文献   
88.
    
Background and objectives: Although previous studies showed that thought and emotion suppression represent risk factors for intrusions development, the mechanisms that explain these relations were less explored. This study aims to examine the relationships between thought and emotion suppression and the symptoms of intrusion following the exposure to a trauma-related event. Moreover, we explored if these relationships would be mediated by peritraumatic state dissociation and state anxiety.

Design and methods: The trauma film paradigm was used and the participants were students (N?=?148) experimentally exposed to an aversive film to model a traumatic experience. Thought and emotion suppression were measured before the trauma exposure. After exposure, the participants completed scales for measuring state dissociation and state anxiety. Intrusive images and thoughts of the film were recorded in the subsequent week using an intrusion diary.

Results: Thought suppression predicted intrusive thoughts frequency, and this effect was mediated by the peritraumatic anxiety. State anxiety predicted both intrusive images and thoughts, while state dissociation only predicted intrusive images.

Conclusions: Intrusive images and intrusive thoughts are different phenomena and they are predicted by different variables. The practical implications of these results for posttraumatic stress disorder treatment and secondary traumatization are discussed.  相似文献   
89.
    
Despite increased longevity, many people fail to save the funds necessary to support their retirement. In an attempt both to elucidate and remedy this failing, research exploring the “future-self continuity” hypothesis has revealed that temporal discounting is decreased and saving increased when connections between one’s current and future self are strengthened. Here, we explored the possibility that a basic component of mental imagery – spatial visual perspective – may be an important determinant of people’s decisions to spend now or save for the future. The results of two experiments supported this prediction. Rates of saving were enhanced when a distant-future event was generated from a third-person vs. first-person vantage point, an effect that was mediated by visual bodily awareness during mental imagery.  相似文献   
90.
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