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71.
Size of the attentional focus and efficiency of processing 总被引:9,自引:0,他引:9
By following Eriksen and St. James (1986) the experiments reported in this study focused upon three questions: (a) Can the spatial extent of the attentional focus be made to vary in response to precues? (b) As the area of the attentional focus increases, is there a decrease in processing efficiency for stimuli within the focus? (c) Is the boundary of the focus sharply demarked from the residual field or does it show a gradual dropoff? The results seem to provide answers to these questions: (a) the size of the attentional focus can be adjusted so that it covers areas of the visual field of different size; (b) there is a decrease in processing efficiency when the area of the attentional focus increases; and (c) there is a gradual dropoff in processing efficiency around the attentional focus. 相似文献
72.
Francesca Simion Sebastiano Bagnara Sergio Roncato Carlo Umilta 《Attention, perception & psychophysics》1982,31(1):13-25
Seven experiments investigated whether orientation-dependent latency functions for the visual code resemble those observed in studies of mental rotations of visual images. The subjects were required to perform “same-different” classifications of two simultaneously presented letters. The dependent variables considered were reaction time IRT and accuracy. Experiments 1, 2, 4, 5, and 6 showed that subjects could correctly classify two different letters on the basis of the visual code without preceding transformations. Experiments 1, 2, and 7 showed orientationdependent effects for “same“ responses. It appeared, however, that orientation functions for the visual cede were clearly different from those previously observed for visual images. In addition, the findings of Experiments 4, 5, and 6 indicated that a frame that jointly rotated with the disoriented letters could eliminate the orientation-dependent effects for “same” responses. Experiment 7 showed that the results of Experiments 4, 5, and 6 must be attributed to the structural characteristics of the frame and not to a directional cue. The results of Experiment 3 seemed to demonstrate that transformations did not occur when the subjects used the phonetic code to classify the letters. Overall, the results of the seven experiments were considered to provide a demonstration of the importance of the distinction between the operations on visual images and those on the visual code. 相似文献
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74.
Ellen-Marie Forsberg Frank O. Anthun Sharon Bailey Giles Birchley Henriette Bout Carlo Casonato Gloria González Fuster Bert Heinrichs Serge Horbach Ingrid Skjæggestad Jacobsen Jacques Janssen Matthias Kaiser Inge Lerouge Barend van der Meulen Sarah de Rijcke Thomas Saretzki Margit Sutrop Marta Tazewell Krista Varantola Knut Jørgen Vie Hub Zwart Mira Zöller 《Science and engineering ethics》2018,24(4):1023-1034
This document presents the Bonn PRINTEGER Consensus Statement: Working with Research Integrity—Guidance for research performing organisations. The aim of the statement is to complement existing instruments by focusing specifically on institutional responsibilities for strengthening integrity. It takes into account the daily challenges and organisational contexts of most researchers. The statement intends to make research integrity challenges recognisable from the work-floor perspective, providing concrete advice on organisational measures to strengthen integrity. The statement, which was concluded February 7th 2018, provides guidance on the following key issues:
相似文献
- § 1.Providing information about research integrity
- § 2.Providing education, training and mentoring
- § 3.Strengthening a research integrity culture
- § 4.Facilitating open dialogue
- § 5.Wise incentive management
- § 6.Implementing quality assurance procedures
- § 7.Improving the work environment and work satisfaction
- § 8.Increasing transparency of misconduct cases
- § 9.Opening up research
- § 10.Implementing safe and effective whistle-blowing channels
- § 11.Protecting the alleged perpetrators
- § 12.Establishing a research integrity committee and appointing an ombudsperson
- § 13.Making explicit the applicable standards for research integrity
75.
76.
Mild cognitive impairment (MCI) is a heterogeneous condition characterized by the presence in an otherwise healthy elderly
individual of cognitive deficits involving specific domains in the absence of significant functional impairments. Reports
indicate that prospective memory (PM), that is, the ability to remember to execute delayed intentions, is impaired in individuals
with MCI. The present review discusses the current debate in the literature on PM functioning in MCI by focusing on the relationship
between prospective retrieval and retrospective memory functioning. Analysis of the reported evidence revealed that both the
prospective component and the retrospective component of PM can be impaired in MCI. Declarative memory dysfunction may account
for the retrospective memory impairment, while either reduced executive abilities or a deficit of reflexive mechanisms could
explain the prospective component impairment. 相似文献
77.
This article describes a method of moral counselling developed in the Radboud University Medical Centre Nijmegen (The Netherlands). The authors apply insights of Paul Ricoeur to the non-directive counselling method of Carl Rogers in their work of coaching patients with moral problems in health care. The developed method was shared with other health care professionals in a training course. Experiences in the course and further practice led to further improvement of the method. 相似文献
78.
Carlo Umiltà Roberto Nicoletti Francesca Simion Maria Elena Tagliabue Sebastiano Bagnara 《Journal of Cognitive Psychology》2013,25(1):21-40
Abstract Experiment 1 demonstrated a new kind of dual-task interference effect. The primary task was a speeded left-right discrimination of stimulus position (R1). The un speeded secondary task consisted of reporting verbally whether the stimuli were the same or different (R2). Stimulus exposure time was either 150 or 2000 msec. Two groups of subjects performed the primary task only, whereas two other groups performed both tasks and were instructed to emit R1 before R2. It was reasoned that the decision would be made to emit R1 before R2, and that this decision would produce a lengthening of R1. The results supported this prediction. Experiment 2 showed that the interference effect also occurred when the subjects were not explicitly instructed to emit R1 before R2, and was not due to either the mere presence of the second task or to response grouping. Experiments 3 and 4 compared two possible models for explaining the interference effect, i.e. the capacity-sharing model and the postponement model. As predicted by the postponement model, task difficulty did not interact, or interacted underadditively, with task overlap (Experiment 3), and the interference effect was not influenced by the amount of processing resources devoted to the primary task (Experiment 4). It was concluded that this new type of interference effect is best explained by the version of the postponement model that locates the bottleneck at the decision stage. 相似文献
79.
80.
We report a series of ten experiments aimed to investigate the newborn's ability to discriminate the components of a visual pattern and to process the visual information that specifies the global configuration of a stimulus. The results reveal that: (i) newborn babies are able to distinguish individual elements of a stimulus (experiments 1A, 1B, 1C, and 1D); (ii) they can group individual elements into a holistic percept on the basis of Gestalt principles (experiments 2A and 3A); (iii) their spontaneous preferences cannot be easily modified by habituation (experiments 2B and 3B); and (iv) when horizontal stimuli are paired with vertical stimuli, they prefer the horizontal ones (experiments 4A and 4B). 相似文献