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911.
Agnès Lacreuse Kelly Schatz Sarah Strazzullo Hanna M. King Rebecca Ready 《Animal cognition》2013,16(6):861-871
We examined attentional biases for social and non-social emotional stimuli in young adult men and compared the results to those of male rhesus monkeys (Macaca mulatta) previously tested in a similar dot-probe task (King et al. in Psychoneuroendocrinology 37(3):396–409, 2012). Recognition memory for these stimuli was also analyzed in each species, using a recognition memory task in humans and a delayed non-matching-to-sample task in monkeys. We found that both humans and monkeys displayed a similar pattern of attentional biases toward threatening facial expressions of conspecifics. The bias was significant in monkeys and of marginal significance in humans. In addition, humans, but not monkeys, exhibited an attentional bias away from negative non-social images. Attentional biases for social and non-social threat differed significantly, with both species showing a pattern of vigilance toward negative social images and avoidance of negative non-social images. Positive stimuli did not elicit significant attentional biases for either species. In humans, emotional content facilitated the recognition of non-social images, but no effect of emotion was found for the recognition of social images. Recognition accuracy was not affected by emotion in monkeys, but response times were faster for negative relative to positive images. Altogether, these results suggest shared mechanisms of social attention in humans and monkeys, with both species showing a pattern of selective attention toward threatening faces of conspecifics. These data are consistent with the view that selective vigilance to social threat is the result of evolutionary constraints. Yet, selective attention to threat was weaker in humans than in monkeys, suggesting that regulatory mechanisms enable non-anxious humans to reduce sensitivity to social threat in this paradigm, likely through enhanced prefrontal control and reduced amygdala activation. In addition, the findings emphasize important differences in attentional biases to social versus non-social threat in both species. Differences in the impact of emotional stimuli on recognition memory between monkeys and humans will require further study, as methodological differences in the recognition tasks may have affected the results. 相似文献
912.
Daniel Aragonés Natàlia Balagué Robert Hristovski Rafel Pol Gershon Tenenbaum 《Psychology of sport and exercise》2013,14(6):796-803
ObjectivesTo reveal and study the fluctuating dynamics of perceived exertion (PE) during constant-power exercise performed under different conditions (duration, intensity, and termination).DesignA pilot and two subsequent experimental studies were performed. The studies consisted of manipulating workload and measuring fluctuating perceived exertion dynamics throughout the cycling task.MethodsIn a pilot study Borg's rating of perceived exertion (RPE) was measured every 15 s in 2 groups of 9 participants each (using RPE 6-20 and CR10 scales, respectively) cycling at heavy intensity until volitional exhaustion. The percentage of participants alternating increased and decreased RPE values (fluctuating dynamics) was calculated. In 2 subsequent experiments PE changes (increase/decrease perceptions) were reported when occurring in 2 groups of 13 participants cycling at a moderate intensity for 30 and 60 min, respectively (Experiment 1), and in another group of 12 participants cycling at heavy intensity until volitional exhaustion (Experiment 2). The individual time series of “increase”/“decrease” reports were divided into 5 non-overlapping temporal windows, and the percentages of “PE increase” were calculated for each window.ResultsIn the pilot study 66.6% (RPE 6-20 group) and 33.3% (CR10 group) of the participants showed an RPE fluctuating dynamics during the exercise. However, all participants showed a clear PE fluctuating dynamics during the moderate and heavy intensity exercises performed in Experiment 1 and Experiment 2, respectively. Nevertheless, a transition towards a PE non-fluctuating dynamics (dominated by “PE increase” reports) was noticed in Experiment 2 while approaching volitional exhaustion.ConclusionsPE seems to have a dominant fluctuating dynamics during constant-power cycling performed under different conditions (duration, intensity, and termination) that changes towards a non-fluctuating dynamics when approaching the volitional exhaustion point. 相似文献
913.
Claire s. Bacha 《Psychodynamic Practice》2013,19(3):383-406
Abstract The film Groundhog Day first came out in 1993. Five years later, it is still cited in a variety of contexts. The author proposes that this is because the film is a cultural artefact which both elucidates and frustrates the ideal of romantic love in the couple as the agent of internal change. The author also proposes a re-viewing of the meaning of the concept of couple. The convergence of object relations theories with group analysis suggests that the mind works by repeating and externalizing internal group structures in social relationships. The couple, then, becomes an intermediary structure between the individual and the group where intimacy facilitates a re-working of group internal structures. It is the collapsing and the opening of the ‘space between’ which is the agent of change. This process creates strength, power and a feeling of wholeness. But it also implies the expression of anger, pain and disappointment. The author illustrates these points with an interpretation of the Groundhog Day film and with a clinical case study of a couple in therapy. 相似文献
914.
This article explores the relationship between goal orientation, self-leadership dimensions, and adaptive and proactive work role performances. The authors hypothesize that learning orientation, in contrast to performance orientation, positively predicts proactive and adaptive work role performances and that this relationship is mediated by self-leadership behavior-focused strategies. It is posited that self-leadership natural reward strategies and thought pattern strategies are expected to moderate this relationship. Workers (N = 108) from a software company participated in this study. As expected, learning orientation did predict adaptive and proactive work role performance. Moreover, in the relationship between learning orientation and proactive work role performance through self-leadership behavior-focused strategies, a moderated mediation effect was found for self-leadership natural reward and thought pattern strategies. In the end, the authors discuss the results and implications are discussed and future research directions are proposed. 相似文献
915.
Ignacio Aragonés 《Estudios de Psicología》2013,34(14-15):35-46
ResumenEl presente artículo ofrece una revisión de los estudios realizados en las dos últimas décadas sobre mapas cognitivos aplicados al mundo urbano a partir de las investigaciones llevadas a cabo por los autores de primera línea en el tema. El conjunto de tales trabajos hace patente la falta de articulación en que se encuentra el constructo «mapa cognitivo». Sin embargo, ofrecen unas orientaciones a tener en cuenta necesariamente en cualquier futura investigación. 相似文献
916.
Ramón Bayés 《Estudios de Psicología》2013,34(31):69-81
RESUMENEl conocimiento de los efectos placebo plantea el problema metodológico de cómo comprobar la eficacia de distintos procesos terapéuticos. Este problema es analizado por Bayés, que comienza destacando dos necesidades fundamentales: en primer lugar, la de promover investigación científica para evaluar el coste, grado de peligrosidad y eficacia de los tratamientos psicológicos y psiquiátricos, y en segundo, la urgencia de llevar a cabo investigaciones para averiguar de qué factores depende que los cambios positivos obtenidos se mantengan, y si los cambios instaurados a través de una estrategia concreta se mantienen mejor que los obtenidos mediante técnicas alternativas. Seguidamente desarrolla un proyecto de evaluación, secuencial y sistemático, de los efectos de un tratamiento psicológico, señalando tres aspectos fundamentales y dos caminos por los que poder realizar esta evaluación. Respecto al análisis de las condiciones que confieren o restan eficacia a un tratamiento, el autor sugiere dos herramientas: estrategias metodológicas que proporcionen datos empíricos fiables y un marco teórico común. La última parte se reserva al análisis de los diseños intrasujeto y la exposición de los cinco niveles implicados en el entramado de los tratamientos psicológicos, y finaliza destacando algunas estrategias prioritarias para el buen planteamiento del problema. 相似文献
917.
Jorge Garcés 《Estudios de Psicología》2013,34(23-24):187-198
ResumenEl objetivo del trabajo radica en llevar a cabo una revisión sobre el estado actual de las investigaciones rejerentes a los aspectos psicosociales de la religión.Se comienza planteando los problemas que ello extraña: escaseZ de investigaciones rigurosas, connotaciones ideológicas de los planteamientos y estrategias, diversas y contrapuestas acepciones de términos elementales, etc.Se aborda la polémica que ba enfrentado a psicólogos y teólogos, que, a pesar de su poca operatividad, ha supuesto un foco de interés.Se analiza la multidimensionalidad de las actitudes religiosas, aportaciones realizadas al respecto y los instrumentos de medida que han gomado de mayor predicamento.Se concluye con la exposición panorámica de las investigaciones actuales más relevantes sobre el tema, señalando cómo se han ocupado básicamente de correlacionar las actitudes religiosas o la religiosidad con diversas variables de personalidad, como autoritarismo, neuroticismo, autoestima, etc. 相似文献
918.
A. Nicolás Venturelli 《Estudios de Psicología》2013,34(3):509-532
AbstractI explore two proposals on the dynamics of scientific change in the general philosophy of science and I evaluate the extent to which they can be applied in the cognitive sciences. I do this by paying special attention to the youth and diversity which characterize this field of scientific research. Firstly, I distinguish two kinds of uses of Kuhn’s work: direct but loose applications of Kuhnean concepts to the history of cognitive science, on the one hand, and indirect applications of certain aspects of Kuhnean ideas, on the other hand. Secondly, I criticize their pertinence on the basis of the secondary role which theories play in the field. Finally, I defend the fertility of the concept of ‘research tradition’ proposed by Laudan, by focusing on the previously highlighted set of idiosyncratic characteristics of the cognitive sciences. 相似文献
919.
Manuel G. Calvo Aida Gutiérrez-García Andrés Fernández-Martín 《Cognition & emotion》2013,27(7):1481-1488
ABSTRACTWe investigated the time course of selective attention to face regions during judgment of dis/approval by low (LSA) and high (HSA) social anxiety undergraduates (with clinical levels on questionnaire measures). The viewers’ gaze direction was assessed and the stimulus visual saliency of face regions was computed, for video-clips displaying dynamic facial expressions. Social anxiety was related to perception of disapproval from faces with an ambiguous smile (i.e. with non-happy eyes), but not those with congruent happy eyes and a smile. HSA observers selectively looked earlier at the eye region, whereas LSA ones preferentially looked at the smiling mouth. Consistently, gaze allocation was less related to visual saliency of the smile for HSA than for LSA viewers. The attentional bias towards the less salient eye region – thus opposing the automatic capture by the smile – suggests that it is strategically driven in HSA individuals, possibly aimed at detecting negative evaluators. 相似文献
920.
Let
be a finite collection of finite algebras of finite signature such that SP(
) has meet semi-distributive congruence lattices. We prove that there exists a finite collection
1 of finite algebras of the same signature,
, such that SP(
1) is finitely axiomatizable.We show also that if
, then SP(
1) is finitely axiomatizable. We offer new proofs of two important finite basis theorems of D. Pigozzi and R. Willard. Our actual results are somewhat more general than this abstract indicates.While working on this paper, the first author was partially supported by the Hungarian National Foundation for Scientific Research (OTKA) grant no. T37877 and the second author was supported by the US National Science Foundation grant no. DMS-0245622.Special issue of Studia Logica: Algebraic Theory of Quasivarieties Presented by
M. E. Adams, K. V. Adaricheva, W. Dziobiak, and A. V. Kravchenko 相似文献