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281.
Future generations of databases will store increasing amounts of pictorial and other visuo‐spatial material. Among other methods, these will require retrieval techniques which exploit memory for the location of objects in pictures stored within the database. Experiments are reported in which subjects recalled the location of an object in a picture and, as an expression of their uncertainty, a range of locations within which they were sure the target fell. This is analogous to a database query method in which users specify a range of values for a location as a means of overcoming the unavoidable problem of imprecision in the expression of an analogue quantity. This paper investigates the psychological issues which allow us access to the potential value of this method in the design of pictorial databases. Although recall confidence (defined by the width of the range of responses given by the subject) is shown to be correlated with recall accuracy, the results demonstrate a trend in which subjects systematically overestimate the precision of their recall. A further experiment examines the extent to which this effect can be manipulated by instructions to the subjects. This shows that instructions aimed at reducing overconfidence produce a counterintuitive response. Subjects remain spuriously overconfident about the accuracy of responses which are in fact incorrect, but additionally they demonstrate a reduced confidence for accurate recalls. Overall, these experiments indicate that while confidence ranges can communicate useful information about the accuracy of location memory, this is less than that expected because subjects are poor at assessing the accuracy of their own recalls and are subject to a range of biases when attempting to do so. Implications for the design of retrieval systems are discussed. Copyright © 1999 John Wiley & Sons, Ltd. 相似文献
282.
This study considers the relationship between social competence, sociomoral reasoning, and self‐reported delinquency in a sample of convicted young offenders. Correlations across these factors showed that social competence was significantly related to delinquency. This finding was corroborated by multiple regression, which showed that social competence was the most significant predictor of self‐reported delinquency. Copyright © 1999 John Wiley & Sons, Ltd. 相似文献
283.
David Crundall Peter Chapman Emma France Geoffrey Underwood Nicola Phelps 《Applied cognitive psychology》2005,19(4):409-420
Efficient deployment of attention is important to the safe execution of tasks with a high content of visual information, such as driving. Chasing a lead vehicle is an extremely demanding and dangerous task, though little is known of the visual skills required. A study is reported that recorded the eye movements of police drivers and two control groups (novices and age‐ and experienced‐ matched controls) while watching a series of video clips of driving. The clips included pursuits, emergency response drives, and control drives (at normal speeds) around Nottinghamshire, UK. Analysis of gaze durations within certain categories of stimuli revealed that daytime pursuit drives correspond with an increase in gaze durations on a lead car (controlled for exposure), though police drivers direct their attention to other sources of potential hazards, such as pedestrians, more so than other drivers. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
284.
Sara Landström Emma Roos Af Hjelmsäter Pär Anders Granhag 《Journal of Investigative Psychology & Offender Profiling》2007,4(3):199-208
In this case study, we examined how variations of the camera perspective affect adults' assessment of veracity in a real‐life high‐stake situation; a masked male confessing to a very serious crime. The interview, conducted by one of Sweden's most awarded journalists, lasted 30 minutes and consisted of over 100 detailed questions about the crime. The interview was videotaped simultaneously by three cameras positioned at different locations, each taking a unique visual perspective. One camera focused on the suspect only, one on the interviewer only, and one equally on the suspect and the interviewer. Each videotape was shown to 32 adult observers (N = 96) who were asked to assess the suspect's veracity and to report subjective cues justifying their veracity assessment. The results confirmed the camera perspective bias, by showing that the observers in the ‘suspect only’ condition assessed the confession as significantly more reliable than did the observers in the ‘interviewer only’ condition. The observers reported that they relied heavily on verbal cues when assessing the confession, and particularly regarding confidence and consistency. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
285.
Emma Fisher Line Caes Jacqui Clinch Jon H. Tobias Christopher Eccleston 《Psychology, health & medicine》2016,21(1):1-9
The aim of the present study was to investigate the influence of anxiety at 13 years of age on the presence of chronic pain, pain-related anxiety, and pain-related disability at 17 years of age in a large longitudinal cohort. We hypothesized that mother-reported anxiety at 13 would be associated with the presence of chronic pain at 17 and an increase in pain-related anxiety using all available data from the longitudinal cohort. Further, we hypothesized that anxiety at 13 would predict pain-related disability in adolescents who reported chronic pain at 17 years of age. Participants were recruited from the Avon Longitudinal Study of Parents and Children based in the UK who attended a university research clinic at 17. Child anxiety (reported by the mother) was extracted at child age 13, and self-report of the presence of chronic pain, pain-related anxiety, and pain-related disability at 17. Analyses revealed that child anxiety at 13 was not significantly associated with the presence of chronic pain at 17 (n = 842). However, anxiety at 13 was significantly associated with pain-related anxiety at 17 (n = 1831). For the subsample of adolescents who reported chronic pain, anxiety at 13 was associated with pain-related disability at 17 (n = 393). Further analyses revealed that pain-related anxiety at 17 mediated the association between anxiety at 13 and pain-related disability at 17, suggesting that pain-related anxiety should be a target for treatment in adolescents with chronic pain, to reduce the impact of pain in later adolescence. General anxiety at 13 was unrelated to the presence of chronic pain at 17, but should be considered a risk factor for later pain-related anxiety and disability in a subset of adolescents who develop chronic pain. 相似文献
286.
Anna N. Rafferty Emma Brunskill Thomas L. Griffiths Patrick Shafto 《Cognitive Science》2016,40(6):1290-1332
Human and automated tutors attempt to choose pedagogical activities that will maximize student learning, informed by their estimates of the student's current knowledge. There has been substantial research on tracking and modeling student learning, but significantly less attention on how to plan teaching actions and how the assumed student model impacts the resulting plans. We frame the problem of optimally selecting teaching actions using a decision‐theoretic approach and show how to formulate teaching as a partially observable Markov decision process planning problem. This framework makes it possible to explore how different assumptions about student learning and behavior should affect the selection of teaching actions. We consider how to apply this framework to concept learning problems, and we present approximate methods for finding optimal teaching actions, given the large state and action spaces that arise in teaching. Through simulations and behavioral experiments, we explore the consequences of choosing teacher actions under different assumed student models. In two concept‐learning tasks, we show that this technique can accelerate learning relative to baseline performance. 相似文献
287.
Two recent meta‐analytic studies addressing the relationship between cognitive style and right‐wing attitudes yielded some discrepancies. We argue that these discrepancies can be accounted for when one considers the types of cognitive style measures included in those analyses. One of these analyses primarily relied on self‐report measures, whereas the other relied on behavioural measures of cognitive style. Based on a new meta‐analysis of 103 samples (total N = 12 714) focussing on behavioural and self‐report measures of rigidity and intolerance of ambiguity, we confirmed the hypothesis that self‐report scales yield stronger relationships with right‐wing attitudes than behavioural measures. We point out potential conceptual and validity issues with both types of cognitive style measures and call for cautiousness when interpreting the magnitude of their relationships with ideology. Copyright © 2016 European Association of Personality Psychology 相似文献
288.
Although young children can map a novel name to a novel object, it remains unclear what they actually remember about objects when they initially make such a name–object association. In the current study we investigated (1) what children remembered after they were initially introduced to name–object associations and (2) how their vocabulary size and vocabulary structure influenced what they remembered. As a group, children had difficulty remembering each of the features of the original novel objects. Further analyses revealed that differences in vocabulary structure predicted children's ability to remember object features. Specifically, children who produced many names for categories organized by similarity in shape (e.g. ball, cup) had the best memory for newly‐learned objects' features—especially their shapes. In addition, the more features children remembered, the more likely they were to retain the newly learned name–object associations. Vocabulary size, however, was not predictive of children's feature memory or retention. Taken together, these findings demonstrate that children's existing vocabulary structure, rather than simply vocabulary size, influences what they attend to when encountering a new object and subsequently their ability to remember new name–object associations. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
289.
Guild EB Anderson ND 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2012,19(5):592-607
ABSTRACT Errorless learning improves memory for older adults by providing individuals with correct information from the onset, thereby minimizing the misleading influence of errors. Our previous research demonstrated that self-generation enhanced the errorless learning effect among older adults in cued recall when encoding encouraged processing of cue-target relationships, suggesting that transfer appropriate processing is necessary for this interactive effect ( Lubinsky, Rich, & Anderson, 2009 , Journal of the International Neuropsychological Society, 15, 704). The current study further tests this notion by investigating whether the interaction of errorless learning and self-generated learning is observed in free recall when study conditions foster encoding of inter-item associations. Healthy older adult participants studied related or unrelated words (manipulated between-subjects) under four within-subjects learning conditions representing the crossing of errorless/errorful learning and self-generated/experimenter-provided information. As predicted, self-generation enhanced the errorless learning advantage in free recall for related word lists but not unrelated word lists. The results are discussed in relation to the transfer appropriate processing view of generation effects. 相似文献
290.
Patient-focused research, which uses clinical characteristics to predict outcomes, is a field in which information technology has been effectively integrated with practice. The present research used touch-screen technology to monitor the daily self-report measures of 1,308 consecutive inpatients and day patients participating in a 2-week cognitive-behavioral therapy group. Providing regular feedback was effective in reducing symptoms for patients at risk of poor outcomes (Newnham, Hooke, & Page, 2010b). The use of touch screens in psychiatric monitoring encourages a collaborative dialogue between patients and therapists and promotes engagement in the process of progress monitoring and treatment evaluation. 相似文献