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91.
92.
Alayna Schreier Mark Horwitz Tim Marshall Jeana Bracey Mary Cummins Joy S. Kaufman 《American journal of community psychology》2019,63(3-4):487-498
Systems of care (SOC) have relied on the wraparound care process to individualize community‐based services for children and youth with serious emotional and behavioral difficulties. A core element of wraparound care is Child and Family Team meetings (CFTs), which are designed to give youth and families a leadership role in developing and guiding their plan of care. The National Wraparound Initiative (NWI) has identified Practice Standards regarding CFT implementation. This study examined CFT characteristics and the association between those characteristics and youth and family outcomes in a statewide SOC. Participants were 363 youth (Mage = 10.89, SD = 3.72) and their caregivers. Families completed measures of youth and caregiver functioning and symptoms at enrollment and 6‐month follow‐up. Care coordinators completed a survey assessing CFT implementation and characteristics following each meeting. Multiple regression analyses were used to examine the relationship between CFT characteristics and youth and caregiver outcomes. Results indicated that a higher number of CFTs was associated with poorer outcomes, while a higher percentage of natural supports at meetings was associated with better youth outcomes. Number of days to the first CFT was associated with greater caregiver strain. Implications for CFT implementation within wraparound are discussed. 相似文献
93.
There are contrasting views on the role of vision in modifying postural organization (information-driven and postural facilitation) and limited direct tests of the underlying postural mechanisms. Here, we examined whether the distinction between the two views is appropriate given that both are interrelated parts of task constraints modulating postural coordination and control. The study investigated whether changes in the organization of the postural system are a function of the visual precision demands of a task and, in addition, whether such organization could be described as reflecting an intermittent controller. Sixteen participants were instructed to maintain quiet postural stance while fixating a point at different viewing distances (25, 50, 135, 220, 305 cm) or standing with eyes closed. The 25-cm condition showed the lowest standard deviation of the center of pressure (COP) and the highest correlation dimension (CD) in the anterior posterior direction. Analyses revealed that, contrary to the intermittent controller hypothesis, adaptations in the continuous COP and center of mass (COM) coupling characterized the observed changes in CD. The findings show that the natural act of looking to the same feature in the environment as a function of visual viewing distance can lead to quantitative and qualitative changes in the dynamics of posture. This is consistent with the view that postural facilitation and information availability are integrated in the perceptual-motor dynamics. 相似文献
94.
The present paper examines natural language as a dynamical system. The oft-expressed view of language as “a static system of symbols” is here seen as an element of a larger system that embraces the mutuality of symbols and dynamics. Following along the lines of the theoretical biologist H.H. Pattee, the relation between symbolic and dynamic aspects of language is expressed within a more general framework that deals with the role of information in biological systems. In this framework, symbols are seen as information-bearing entities that emerge under pressures of communicative needs and that serve as concrete constraints on development and communication. In an attempt to identify relevant dynamic aspects of such a system, one has to take into account events that happen on different time scales: evolutionary language change (i.e., a diachronic aspect), processes of communication (language use) and language acquisition. Acknowledging the role of dynamic processes in shaping and sustaining the structures of natural language calls for a change in methodology. In particular, a purely synchronic analysis of a system of symbols as “meaning-containing entities” is not sufficient to obtain answers to certain recurring problems in linguistics and the philosophy of language. A more encompassing research framework may be the one designed specifically for studying informationally based coupled dynamical systems (coordination dynamics) in which processes of self-organization take place over different time scales. 相似文献
95.
96.
Andrew Sneddon 《Philosophical Studies》2008,138(3):393-408
This paper examines extant ways of classifying varieties of psychological externalism and argues that they imply a hitherto
unrecognized distinction between shallow and deep externalism. The difference is between starting points: shallowly externalist
hypotheses begin with the attribution of psychological states to individuals, just as individualistic hypotheses do, whereas
deeply externalistic hypotheses begin with agent-environment interaction as the basis of cognitive processes and attribute
psychological states to individuals as necessary for such interaction. The over-arching aim is to show how deep externalism
works and what its implications are for psychological and philosophical theorizing.
相似文献
Andrew SneddonEmail: |
97.
Laura L. Grow James E. Carr Kristin V. Gunby Shaireen M. Charania Lucita Gonsalves Inas A. Ktaech April N. Kisamore 《Journal of Behavioral Education》2009,18(2):142-156
The acquisition of new skills may be hindered when teaching procedures vary from previously validated approaches or contain
errors. In the present study, we compared the acquisition and maintenance of response chains taught using a perfectly implemented
system of least prompts and a multiple verbal prompts procedure (i.e., addition of multiple verbal prompts and failure to
follow through with more intrusive prompts). Four children, aged 6–9, participated in the study. An adapted alternating treatments
design was used to compare the effectiveness and efficiency of learning during the system of least prompts and the alternative
system of least prompts. Results were consistent with those obtained in previous studies in that the perfectly implemented
and alternative prompting procedures were effective in teaching new skills for all participants. However, the perfectly implemented
treatment required fewer trials to mastery for 4 of the 5 evaluations. Response chains taught under the multiple verbal prompts
condition had poorer maintenance for 2 of the 5 evaluations. The results of the current study suggest that deviations from
empirically identified teaching procedures may reduce the speed with which new skills are acquired. 相似文献
98.
The System Usability Scale (SUS), developed by Brooke (Usability evaluation in industry, Taylor & Francis, London, pp 189–194,
1996), had a great success among usability practitioners since it is a quick and easy to use measure for collecting users’ usability
evaluation of a system. Recently, Lewis and Sauro (Proceedings of the human computer interaction international conference
(HCII 2009), San Diego CA, USA, 2009) have proposed a two-factor structure—Usability (8 items) and Learnability (2 items)—suggesting that practitioners might
take advantage of these new factors to extract additional information from SUS data. In order to verify the dimensionality
in the SUS’ two-component structure, we estimated the parameters and tested with a structural equation model the SUS structure
on a sample of 196 university users. Our data indicated that both the unidimensional model and the two-factor model with uncorrelated
factors proposed by Lewis and Sauro (Proceedings of the human computer interaction international conference (HCII 2009), San
Diego CA, USA, 2009) had a not satisfactory fit to the data. We thus released the hypothesis that Usability and Learnability are independent
components of SUS ratings and tested a less restrictive model with correlated factors. This model not only yielded a good
fit to the data, but it was also significantly more appropriate to represent the structure of SUS ratings.
相似文献
Simone BorsciEmail: Email: |
99.
The distribution of success and failure to social groups is supported by lay theories about the characteristics of social groups and the causes of their outcomes, as well as by beliefs about entitlement of groups to succeed or fail. This paper presents a study where a target individual’s socio-economic status (high vs. low) and outcome in a major academic achievement task (success vs. failure) were manipulated in a 2 × 2 experimental design. It was found that high-status success and low-status failure, i.e. the system-consistent outcomes, were attributed relatively more to stable internal causes (ability), whereas high-status failure and low-status success, i.e. the system-inconsistent outcomes, were attributed relatively more to unstable causes (effort). Second, participants’ belief in a just world was higher in high-status success and low-status failure than in high-status failure and low-status success. 相似文献
100.
Tilsen S 《Cognitive Science》2009,33(5):839-879
Temporal patterns in human movement, and in speech in particular, occur on multiple timescales. Regularities in such patterns have been observed between speech gestures, which are relatively quick movements of articulators (e.g., tongue fronting and lip protrusion), and also between rhythmic units (e.g., syllables and metrical feet), which occur more slowly. Previous work has shown that patterns in both domains can be usefully modeled with oscillatory dynamical systems. To investigate how rhythmic and gestural domains interact, an experiment was conducted in which speakers performed a phrase repetition task, and gestural kinematics were recorded using electromagnetic articulometry. Variance in relative timing of gestural movements was correlated with variance in rhythmic timing, indicating that gestural and rhythmic systems interact in the process of planning and producing speech. A model of rhythmic and gestural planning oscillators with multifrequency coupling is presented, which can simulate the observed covariability between rhythmic and gestural timing. 相似文献