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271.
    
Social-rank cues communicate social status or social power within and between groups. Information about social-rank is fluently processed in both visual and auditory modalities. So far, the investigation on the processing of social-rank cues has been limited to studies in which information from a single modality was assessed or manipulated. Yet, in everyday communication, multiple information channels are used to express and understand social-rank. We sought to examine the (in)voluntary nature of processing of facial and vocal signals of social-rank using a cross-modal Stroop task. In two experiments, participants were presented with face-voice pairs that were either congruent or incongruent in social-rank (i.e. social dominance). Participants’ task was to label face social dominance while ignoring the voice, or label voice social dominance while ignoring the face. In both experiments, we found that face-voice incongruent stimuli were processed more slowly and less accurately than were the congruent stimuli in the face-attend and the voice-attend tasks, exhibiting classical Stroop-like effects. These findings are consistent with the functioning of a social-rank bio-behavioural system which consistently and automatically monitors one’s social standing in relation to others and uses that information to guide behaviour.  相似文献   
272.
对中国北京市和日本京都市的各一所幼儿园小班幼儿园团体进行了自然观察,利用动物行为这的社会等级距等方法分析幼儿园之间围绕一定资源所发生的相互作用,考察了幼儿团体中的所有关系是否由它们之间的支配-从属关系或等级制度所规定。所得主要结果如下:(1)中日幼儿团体的社会等级矩阵的稳固性与直线性都比较低;(2)他们在社会等级矩阵上的等级和由班主任评定的争夺之量分数,领导分数之间都没有显著相关,(3)从幼儿之间  相似文献   
273.
In 2011, the killing of a Black man by a police officer triggered violent riots across England. In a context where ethnic minorities are rarely openly blamed, we examined the lens through which the events were interpreted in the official discourses of the British Prime Minister. A thematic content analysis (Study 1) revealed that, without explicitly blaming ethnic minorities, the discourses built on antagonistic normative references opposing a virtuous majority to threatening minorities. Then, based on online survey data of self‐declared Londoners (N = 223) during the riots, we analyzed (Study 2) how agreement with the discourses related to individuals’ ethnocentrism and their understanding of the causes underlying the events. Results of regression analyses showed how agreement with the discourses related to blaming ethnic diversity for the riots and to higher ethnocentrism, especially among individuals least likely to discriminate against minorities (i.e., low in social dominance orientation). Agreement with the discourses was also linked to reduced blame of authorities. To conclude, we discuss the mobilization potential of political discourses on ingroup virtue and outgroup threat.  相似文献   
274.
In quantifying categorical data, constraints play an important role in characterizing the outcome. In the Guttman-type quantification of contingency tables and multiple-choice data (incidence data), the trivial solution due to the marginal constraints is typically removed before quantification; this removal, however, has the effect of distorting the shape of the total space. Awareness of this is important for the interpretation of the quantified outcome. The present study provides some relevant formulas for those cases that are affected by the trivial solution and those cases that are not. The characterization of the total space used by the Guttman-type quantification and pertinent discussion are presented.This study was supported by a grant from The Natural Sciences and Engineering Research Council of Canada to S. Nishisato.  相似文献   
275.
This paper discusses the compatibility of some response time (RT) models with psychometric and with information processing approaches to response times. First, three psychometrically desirable properties of probabilistic models for binary data, related to the principle of specific objectivity, are adapted to the domain of RT models. One of these is the separability of item and subject parameters, and another is double monotonicity. Next, the compatibility of these psychometric properties with one very popular information processing approach, the serial-additive model, is discussed. Finally, five RT models are analyzed with respect to their compatibility with the psychometric properties, with serial-additive processing and with some alternative types of processing. It is concluded that (a) current psychometric models each satisfy one or more of the psychometric properties, but are not (easily) compatible with serial-additive processing, (b) at least one serial-additive processing model satisfies separability of item and subject parameters, and (c) RT models will more easily satisfy double monotonicity than the other two psychometric properties.  相似文献   
276.
The present study addresses the robustness and the reliability of the crossed-uncrossed difference (CUD) on a reaction time (RT) and a movement time (MT) component of a prescribed unimanual response to lateralized stimuli. Experiment 1 demonstrated positive CUDs both when a visual warning signal (WS) and an auditory reaction signal (RS) appeared on corresponding and non-corresponding sides of the body. Experiment 2 showed effect of handedness on CUD calculated among right-handers and left-handers. Experiment 3 investigated CUDs through five successive days, indicating that CUDs became steady and reliable although practice affected both RT and MT. All experiments indicated CUD on RT and MT. In addition, Experiments 1 and 2 demonstrated hemispheric asymmetries in favour of an anatomical theory while Experiment 3 did not show any asymmetries and supports an S-R compatibility theory.  相似文献   
277.
Within the published empirical record, a limited number of investigations exist that study the association between socio-political ideologies of preservice teachers and their attitudes toward disability-related matters within schools. To the extent that individual socio-political ideology and discomfort with disability remain mostly unexplored, this state of affairs may unwittingly compromise the capacity of future educators to assist students with special needs. The purpose of our study was to test relationships between preservice teachers’ conservative ideologies and discomfort with disability on the one hand and perceived negative attitudes toward students with disabilities and opposition to inclusion on the other. Our correlational findings indicate that preservice educators who report being higher in social dominance orientation, right-wing authoritarianism, economic and cultural conservatism, and discomfort with disabilities are more likely to oppose inclusion and to hold negative attitudes toward students with disabilities. Regression analyses revealed that social dominance orientation and discomfort with disability were stronger predictors of negative attitudes toward students with disabilities and opposition to inclusion than cultural conservatism/right-wing authoritarianism. These findings lend support to teacher preparation programs assisting preservice teachers in understanding (a) their attitudes toward inclusion and students with disabilities and (b) the impact their dispositions may have on their future effectiveness in supporting these students in their efforts to become productive and independent members of society.
Joyce A. BrandesEmail:
  相似文献   
278.
Developmental language learning impairments affect 10 to 20% of children and increase their risk of later literacy problems (dyslexia) and psychiatric disorders. Both oral- and written-language impairments have been linked to slow neural processing, which is hypothesized to interfere with the perception of speech sounds that are characterized by rapid acoustic changes. Research into the etiology of language learning impairments not only has led to improved diagnostic and intervention strategies, but also has raised fundamental questions about the neurobiological basis of speech, language, and reading, as well as hemispheric lateralization.  相似文献   
279.
Neonatal male rats were either injected subcutaneously with testosterone propionate (TP) or oil vehicle. When weaned, each treated pup was paired with an untreated male sibling. The play fighting of TP-and oil-treated rats were compared at the juvenile phase (30–36 days), and in adulthood (84–90 days). In the juvenile phase, the rate of initiating playful attacks was significantly greater for TP-treated rats. Playful defense in response to such attacks did not differ between TP- and oil-treated rats. At the completion of the study, cortical thickness was measured for all the groups of rats. Oil treatment decreased overall cortical thickness relative to untreated pairmates, whereas TP treatment did not. Both oil and TP treatment abolished the asymmetry in hemispheric thickness, which was present in the untreated pairmates. The reversal of at least one of these injectioninduced changes in the cortex by TP provided independent evidence for the effectiveness of the TP treatment. As adults, neither the TP treatment nor the oil treatment influenced which pairmate became dominant. Dominance was judged by which pairmate initiated less playful attacks. Therefore, it is concluded that the early neonatal testosterone surge is not likely to be a factor in influencing the behaviors that lead to adult dominance. In contrast, play fighting is influenced by hormonal events in this early neonatal phase. It thus appears that play fighting and the aggressive systems subserving dominance relationships are differentially controlled. © 1992 Wiley-Liss, Inc.  相似文献   
280.
Most young non-human primates spend a great deal of time playing alone or with conspecifics. Despite numerous studies on social play, its adaptive functions remain unclear. A longitudinal study comparing social interactions preceding and following rank reversals among four captive adolescent chimpanzees (Pan troglodytes schweinfurtii) suggests that social play during their adolescent period functioned in establishing and maintaining the dominance rank within dyads, without interventions from allies. Interventions were less frequent in rough-and-tumble play than in real fighting. Within dyads of competing chimpanzees, rough play was more frequent than gentle play. Both types of play were correlated with reciprocal aggression between competitors, and most play bouts terminated in truly aggressive conflict. Dominant individuals seemed to be responsible for maintaining play activity, by responding playfully to threats and aggression of contestants. In addition, dominant individuals more often initiated play encounters with their subordinates when the dominance relationships were clear, but subordinate individuals also initiated play sequences when they challenged the dominant's rank. The adaptive value and mechanisms of rough-and-tumble play are discussed in the context of adolescence. © 1994 Wiley-Liss, Inc.  相似文献   
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