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251.
Inhibition of return (IOR) is a response delay when the target is preceded by an irrelevant stimulus (cue) at the same location. In a previous study, we investigated the separate and joint effects on IOR of cue onset and offset. IOR was much greater when cue onset was followed by cue offset (on-off cue) than when the cue was a single event (on or off cues). The aim of the present study was to test whether the greater IOR with an on-off cue is due to the presence of two cue events. Three experiments were conducted. In Experiment 1 we replicated, with a different delay between cue onset and offset, the finding that IOR is greater with an on-off cue than with a single cue event. In Experiments 2 and 3, we used cues formed by two events. In Experiment 2, an on-off cue was compared with an off-on cue, whereas in Experiment 3 an on-on cue was compared with an off-off cue. Results showed that the magnitude of IOR did not simply depend on the number of cue events occurring before the target. IOR was greater with two different events than with two identical events and greater when was preceded by an off-event than an on-event. Therefore, IOR was greatest with an on-off cue, which likely also benefited from a gap effect. Possible mechanisms underlying IOR were discussed. Received: 31 March 1999 / Accepted: 23 July 1999  相似文献   
252.
In this review, we discuss evidence showing that birds (Gallus gallus and Nucifraga columbiana) represent numerical magnitudes as being oriented from left to right. Subjects, trained to identify a target element (i.e. the 4th) in a series of sagittally oriented identical elements, when required to generalise on an identical series oriented spatially from left to right, correctly identified the target element “counting” from the left of the array. Moreover, chicks, when presented with sets of 5 vs. 10 or 6 vs. 9 imprinting objects, which were made to disappear one at a time behind one of two identical screens, spontaneously inspected the screen which occluded the larger set. Interestingly, chicks scored a higher percentage of correct choices when the larger of the two sets was on their right side. Similarities with the phenomenon of the spatially oriented (left to right) number line in humans are discussed. Animal models promise a fresh approach to the understanding of developmental mechanisms underlying the expression of knowledge, offering attractive arguments for doubting the uniqueness of human numerical cognition.  相似文献   
253.
For decades a debate has played out in the literature about who bioethicists are, what they do, whether they can be considered professionals qua bioethicists, and, if so, what professional responsibilities they are called to uphold. Health care ethics consultants are bioethicists who work in health care settings. They have been seeking guidance documents that speak to their special relationships/duties toward those they serve. By approving a Code of Ethics and Professional Responsibilities for Health Care Ethics Consultants, the American Society for Bioethics and Humanities (ASBH) has moved the professionalization debate forward in a significant way. This first code of ethics focuses on individuals who provide health care ethics consultation (HCEC) in clinical settings. The evolution of the code's development, implications for the field of HCEC and bioethics, and considerations for future directions are presented here.  相似文献   
254.
Evidence of learning and generalization of visual regularities in a newborn organism is provided in the present research. Domestic chicks have been trained to discriminate visual triplets of simultaneously presented shapes, implementing AAB versus ABA (Experiment 1), AAB versus ABB and AAB versus BAA (Experiment 2). Chicks distinguished pattern-following and pattern-violating novel test triplets in all comparisons, showing no preference for repetition-based patterns. The animals generalized to novel instances even when the patterns compared were not discriminable by the presence or absence of reduplicated elements or by symmetry (e.g., AAB vs. ABB). These findings represent the first evidence of learning and generalization of regularities at the onset of life in an animal model, revealing intriguing differences with respect to human newborns and infants. Extensive prior experience seems to be unnecessary to drive the process, suggesting that chicks are predisposed to detect patterns characterizing the visual world.  相似文献   
255.
Several variants of biculturalism have recently been proposed (Schwartz, Birman, Benet‐Martínez, & Unger, 2016). Nevertheless, few studies have identified different types of bicultural individuals, and no one has addressed the possibility that these types could depend on acculturation domains. By using the Relative Acculturation Extended Model (RAEM), this study aimed to explore if different variants of biculturalism could be individuated, and if some of these variants were sensitive to life domains. Four samples of migrant and host adolescents living in Italy (n = 173 and n = 186) and Spain (n = 139 and n = 156) answered a questionnaire about acculturation perceptions and preferences in central and peripheral life domains. Together with acculturation options consistent with Berry's (1997) model (full‐assimilation, full‐separation and full‐marginalisation), some variants of biculturalism emerged from the latent class analysis: full‐high and full‐low integration, which were not sensitive to life domains; and “alternate” acculturation options that were sensitive to life domains, with participants switching from their original culture to the host culture according to the peripheral and central domains. Acculturation options varied across the four samples, with Italians switching more from one culture to another, and Spanish adolescents being more full‐high or full‐low integrated.  相似文献   
256.
Ongoing scholarship in multicultural counseling practice has established the significance of microaggressions in the lived experience of clients and in the client–counselor dyad. Grounded in new research into the embodied experience of oppression, this article reviews key concepts in nonverbal communication and traumatology to illustrate how the body is implicated in the transmission of microaggressions and how counselors can become more attentive, informed, and responsive to how social power differences manifest in the body. Las investigaciones actuales sobre la práctica de la consejería multicultural han establecido la importancia de las microagresiones en la experiencia vital de los clientes y en la díada cliente–consejero. Fundamentado en nuevas investigaciones sobre la experiencia corporal de la opresión, este artículo revisa conceptos clave de la comunicación no verbal y la traumatología para ilustrar cómo el cuerpo está involucrado en la transmisión de microagresiones y cómo los consejeros pueden tornarse más atentos, informados y sensibles a cómo las diferencias de poder social se manifiestan en el cuerpo.  相似文献   
257.
While coaching has been conceived as a new managerial strategy and effective leadership initiative in organizations, the concept of ‘manager as coach’ has gained considerably popularity. In this context, the interest for reliable and valid tools to assess managers’ coaching skills increased among practitioners and organizations. This paper provides additional analyses of an instrument assessing managers’ coaching skills in business settings and examines a theoretical model in identifying manager coaching skills from two informational sources, namely self-report and other-report. This work does not only continue the development of the base of empirical research on managerial coaching, but also offers some guidelines for further testing and development of valid and reliable instruments for the assessment and understanding of managers’ coaching skills.  相似文献   
258.
Coping abilities represent the individual set of mental and behavioral strategies adopted when facing stress or traumatic experiences. Coping styles related to avoidance have been linked to a disposition to develop psychiatric disorders such as PTSD, anxiety, and major depression, whereas problem-oriented coping skills have been positively correlated with well-being and high quality of life. Even though coping styles constitute an important determinant of resilience and can impact many aspects of everyday living, no study has investigated their brain functional connectivity underpinnings in humans. Here we analyzed both psychometric scores of coping and resting-state fMRI data from 102 healthy adult participants. Controlling for personality and problem-solving abilities, we identified significant links between the propensity to adopt different coping styles and the functional connectivity profiles of regions belonging to the default mode (DMN) and anterior salience (AS) networks—namely, the anterior cingulate cortex, left frontopolar cortex, and left angular gyrus. Also, a reduced negative correlation between AS and DMN nodes explained variability in one specific coping style, related to avoiding problems while focusing on the emotional component of the stressor at hand, instead of relying on cognitive resources. These results might be integrated with current neurophysiological models of resilience and individual responses to stress, in order to understand the propensity to develop clinical conditions (e.g., PTSD) and predict the outcomes of psychotherapeutic interventions.  相似文献   
259.
The Cognitive Style Indicator (CoSI) includes 3 cognitive dimensions: creating (flexible, open-ended and inventive), knowing (emphasizing facts, details, objectivity, and rationality), and planning (guided by preferences for certainty and well-structured information). The first aim of this research was to validate the 3-factor structure of the CoSI within the Italian context. The second was to verify whether cognitive styles, as measured by the CoSI, accounted for individual differences in decision-making processes. Two studies were conducted using 2 different samples (n = 549 and n = 397). Confirmatory and multigroup factor analysis corroborated the 3-factor model and the measurement invariance of the instrument across genders. Reliability indices showed good internal consistency, as well as good levels of convergent and discriminant construct validity. Results from structural equation model revealed that cognitive styles, as measured by the CoSI, predicted individual differences in intuitive and deliberative decision-making processes. Findings gave evidence for the validity of the Italian version of the CoSI and for the causal relationship between cognitive styles and decision-making processes. Further research is needed to explore a more comprehensive model that includes, for example, personality.  相似文献   
260.
The present studies aimed to extend Regulatory Fit Theory in the domain of persuasive communication by (a) using printed advertisement images without any verbal claim, instead of purely or mostly verbal messages; (b) selecting the images to fit the distinct orientations of regulatory mode rather than regulatory focus; and (c) priming regulatory mode orientation instead of relying on chronic prevalence of either locomotion or assessment orientation. We found that recipients primed with a locomotion orientation experienced fit, and were more persuaded, when exposed to “dynamic” versus “static” visual images; conversely, recipients primed with an assessment orientation experienced fit and were more persuaded when exposed to “static” versus “dynamic” images. Our findings show that the experience of fit can be induced by visual messages, resulting in positive effects in terms of attitude toward product advertisement and estimated price of advertised products. Copyright © 2010 John Wiley & Sons, Ltd.  相似文献   
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