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221.
Silvia Leticia Pavão Ana Carolina de Campos Nelci Adriana Cicuto Ferreira Rocha 《Journal of motor behavior》2019,51(2):185-192
Objective: To assess age-related changes in postural sway during sit-to-stand (STS) in typical children (TC) and children with mild cerebral palsy (CP). Methods: Thirty-five TC and 23 children with mild CP were allocated in four different age groups: 5–6, 7–9, 10–12, and 13–15 years; they all performed STS movements over a force plate. Anterior-posterior and medial-lateral amplitude of center of pressure (CoP) displacement, area and velocity of CoP sway were analyzed and compared between the age groups for TC and children with CP. Results: TC at 5 to 6 years of age showed higher values of anterior-posterior CoP displacement and Area of CoP sway than at 10–12 years, during the stabilization phase. There were no age-related changes for CP. Conclusion: TC change their postural sway during the last STS phase over the years, reducing their body sway. Children with CP did not show age-related changes in sway during STS, reflecting a distinct rhythm of postural control development in this population. 相似文献
222.
Catherine M. Gale Svein Eikeseth Fillip Ferreira Eikeseth 《Behavioral Interventions》2023,38(1):26-38
Behavioral intervention manuals for children with autism spectrum disorder (ASD) commonly recommend that praise should be delivered in an enthusiastic tone of voice. Only a few studies, however, have explicitly tested this assumption, and results have been mixed. This study therefore compared the effects of enthusiastic and non-enthusiastic tone of voice in praise on the behavior of children with ASD. We also examined how typically developing (TD) children responded to enthusiastic and non-enthusiastic praise. Participants were 21 children with ASD matched on developmental age with the chronological age of 20 TD children. The effects of enthusiastic and non-enthusiastic praise were assessed using an application on a tablet computer designed to isolate tone of voice as a variable in vocally delivered praise. Two buttons produced the same six praise statements, one with an enthusiastic tone of voice and one with a neutral tone of voice. Results showed that the children with ASD, on average, allocated more responding to the square on the tablet computer producing enthusiastic praise as compared to the square producing non-enthusiastic praise. In addition, higher rates of responding to non-enthusiastic praise correlated positively with higher IQ, suggesting that non-enthusiastic praise was more effective for children with ASD with higher cognitive scores. The TD children, in contrast, did not allocate more responding to either the squares, suggesting that tone of voice in praise was not an important variable for the behavior of TD children. 相似文献
223.
Joana Cadima Marisa Enrico Tiago Ferreira Karine Verschueren Teresa Leal Paula Mena Matos 《European Journal of Developmental Psychology》2016,13(3):341-360
AbstractThis study investigates the interplay between family risk and the quality of classroom interactions and their impact on self-regulation skills in two groups of children—children from socioeconomically disadvantaged backgrounds (at-risk) and non-risk children. Participants included 485 children (N = 93 classrooms)—233 (N = 47 classrooms) of which were from socioeconomically disadvantaged areas. Temperament was measured using teacher report. Trained observers rated classroom quality via live observations of a typical preschool day. Behavioral regulation was assessed using direct measures and emotional regulation was assessed using a teacher report. Analyses using multiple group structural equation modeling showed that at-risk children had lower levels of cool behavior regulation than non-risk children. In addition, classroom quality was positively linked to cool behavioral self-regulation. Moderating effects were additionally found between family risk and classroom quality on both hot behavioral regulation and emotional regulation. Classroom quality served as a protective factor for children exposed to more risk factors. Results showed complex associations between individual characteristics, classroom quality, and family risk, indicating a need to further explore the interplay among these variables. 相似文献
224.
Elizabeth R. Schotter Annie Jia Victor S. Ferreira Keith Rayner 《Psychonomic bulletin & review》2014,21(3):755-762
Speakers access information from objects they will name but have not looked at yet, indexed by preview benefit—faster processing of the target when a preview object previously occupying its location was related rather than unrelated to the target. This suggests that speakers distribute attention over multiple objects, but it does not reveal the time course of the processing of a current and a to-be-named object. Is the preview benefit a consequence of attention shifting to the next-to-be-named object shortly before the eyes move to that location, or does the benefit reflect a more unconstrained deployment of attention to upcoming objects? Using the multiple-object naming paradigm with a gaze-contingent display change manipulation, we addressed this issue by manipulating the latency of the onset of the preview (SOA) and whether the preview represented the same concept as (but a different visual token of) the target or an unrelated concept. The results revealed that the preview benefit was robust, regardless of the latency of the preview onset or the latency of the saccade to the target (the lag between preview offset and fixation on the target). Together, these data suggest that preview benefit is not restricted to the time during an attention shift preceding an eye movement, and that speakers are able to take advantage of information from nonfoveal objects whenever such objects are visually available. 相似文献
225.
Sílvia Leticia Pavão Joice Luiza B. Arnoni Nelci Adriana Cicuto Ferreira Rocha 《Journal of motor behavior》2018,50(5):486-491
The authors sought to verify the effects of vision on sit-to-stand (STS) movement performance by means of postural sway in children with cerebral palsy (CP) and typical children (TC). Participants were 42 TC and 21 children with CP. STS movement was assessed with eyes open and with eyes closed. Area and velocity of center of pressure sway were analyzed in each of the 3 STS phases. We observed greater postural sway during STS movement with eyes closed. Children with CP presented greater postural sway than TC did. Both groups exhibited greater postural instability with absence of vision expressing the role of vision to keep postural stability. Moreover, the greater postural instability was observed in children with CP. 相似文献
226.
This study tests how transformational leadership fosters team performance through team cohesion and how that relationship is moderated by previous team performance and leadership consensus. We computed a moderated-mediation model based on a sample of 690 professional players in 59 top professional teams in interactive team sports leagues (basketball, handball, roller hockey, and indoor football/soccer) in Spain. Our findings suggest that transformational leadership indirectly influences objective team performance through the mediation role of team cohesion and that this indirect effect is more prominent when the level of previous performance is higher. We also found that the indirect effect of transformational leadership on team performance via cohesion is stronger in teams with higher consensus regarding their coaches' leadership. Overall, our results demonstrate the importance of integrating dispersion and contextual variables into research models, in particular, previous performance and leadership consensus. 相似文献
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P. A. Couvillon C. D. Ablan T. P. Ferreira M. E. Bitterman 《The Quarterly Journal of Experimental Psychology Section B: Comparative and Physiological Psychology》2001,54(2):127-144
Two series of experiments with honeybees were designed to test the assumption that inhibition is generated by nonreinforcement as a function of the excitatory value of the context. In the first series (Experiments 1-3), summation tests with B were made after A+/C-/AB- as compared to A+/C-/CB- training, with precautions taken to minimize the possibility of a masking effect of excitatory within-compound conditioning on AB trials; responding to B did not vary with training procedure. In the second series (Experiments 4-5), retardation tests rather than summation tests were used, in the belief that they might be more sensitive; after A+/AB-/CD- training, acquisition in a B+/D- problem was found to be no less rapid than in a D+/B- problem. A third series of experiments (Experiments 6-9) was designed to test the more general assumption that the effectiveness of nonreinforcement increases with the excitatory value of the context; response to B was found to be no different after A+/B+/C- training followed by A+/AB- training than after A+/B+/C- training followed by A+/CB- training. The results are compatible with the view that the role of nonreinforcement in honeybees is not to generate inhibition, but only to reduce excitation in a manner independent of the excitatory value of the context. 相似文献