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941.
Unconscious affective reactions to masked happy versus angry faces influence consumption behavior and judgments of value 总被引:11,自引:0,他引:11
The authors explored three properties of basic, unconsciously triggered affective reactions: They can influence consequential behavior, they work without eliciting conscious feelings, and they interact with motivation. The authors investigated these properties by testing the influence of subliminally presented happy versus angry faces on pouring and consumption of beverage (Study 1), perception of beverage value (Study 2), and reports of conscious feelings (both studies). Consistent with incentive motivation theory, the impact of affective primes on beverage value and consumption was strongest for thirsty participants. Subliminal smiles caused thirsty participants to pour and consume more beverage (Study 1) and increased their willingness to pay and their wanting more beverage (Study 2). Subliminal frowns had the opposite effect. No feeling changes were observed, even in thirsty participants. The results suggest that basic affective reactions can be unconscious and interact with incentive motivation to influence assessment of value and behavior toward valenced objects. 相似文献
942.
Rats' rates of leverpressing for low-concentration liquid-sucrose reinforcers in the first half of an experimental session increase when food pellet, rather than sucrose, reinforcers will be available in the second half. Experiment 1 determined that this induction effect was the outcome of food pellet reinforcement's increasing response rates, not of continued sucrose reinforcement's decreasing them. Experiments 2 and 3 showed that induction was primarily controlled by the conditions of reinforcement in the current session, not by those in the previous one. Experiment 4 showed little evidence that the induction was the outcome of Pavlovian processes. These results suggest that induction may occur because of processes operating at the level of the entire session. They also provide a link to a seemingly related area of study: contrast effects. Some of the results are consistent with what is known about contrast effects, but there are also several, yet unexplained differences. 相似文献
943.
944.
C.R. Snyder David B. Feldman Julia D. Taylor Lisa L. Schroeder Virgil H. Adams III 《Applied and Preventive Psychology》2000,9(4):249-269
From its most famous tale, that of Pandora, hope was meant to prevent the emergence and reemergence of life difficulties. A new model defining hope as a combination of agentic pathways and goal-directed thinking is reviewed. Comparisons of the similarities of this theory to other existing theories are made. The beneficial roles of hope in primary (before the appearance of a problem) and secondary (after a problem has appeared) prevention are explored. Primary enhancement is introduced as involving those thoughts and actions that establish optimal functioning and satisfaction. Secondary enhancement is posited to describe those thoughts and actions that are undertaken over time so as to further functioning and satisfaction in order to reach peak levels. Using hope theory as a lens, these primary and secondary enhancement processes are described. The natural synergy between prevention and enhancement activities is discussed, along with the future priorities for using hope in prevention and enhancement efforts. 相似文献
945.
Stephanie T. Lanza Julia E. Moore Nicole M. Butera 《American journal of community psychology》2013,52(3-4):380-392
Confounding present in observational data impede community psychologists’ ability to draw causal inferences. This paper describes propensity score methods as a conceptually straightforward approach to drawing causal inferences from observational data. A step-by-step demonstration of three propensity score methods—weighting, matching, and subclassification—is presented in the context of an empirical examination of the causal effect of preschool experiences (Head Start vs. parental care) on reading development in kindergarten. Although the unadjusted population estimate indicated that children with parental care had substantially higher reading scores than children who attended Head Start, all propensity score adjustments reduce the size of this overall causal effect by more than half. The causal effect was also defined and estimated among children who attended Head Start. Results provide no evidence for improved reading if those children had instead received parental care. We carefully define different causal effects and discuss their respective policy implications, summarize advantages and limitations of each propensity score method, and provide SAS and R syntax so that community psychologists may conduct causal inference in their own research. 相似文献
946.
Muhammad Ajmal Choudhary Julia Kundin Heike Emmerich 《Philosophical Magazine Letters》2013,93(9):451-458
Recently, we derived a generalized model for isotropic as well as anisotropic crystal lattice systems of arbitrary Poisson's ratio within the framework of the continuum phase-field crystal (PFC) approach [R. Prieler, J. Hubert, D. Li, B. Verleye, R. Haberkern, H. Emmerich, J. Phys.: Condens. Matter 21 (2009) p.464110] and showed how its parameters can be derived from classical density functional theory [M.A. Choudhary, D. Li, H. Emmerich and H. Löwen, J. Phys.: Condens. Matter 23 (2011) p.265005]. Here, we present a general procedure to model anisotropic material systems of arbitrary Poisson's ratios. In that way we can for the first time identify PFC solutions of arbitrary Poisson's ratios and thereby extend the applicability of the PFC method to a larger class of material systems. 相似文献
947.
Andrew Specht 《British Journal for the History of Philosophy》2013,21(3):514-534
Despite his impressive influence on nineteenth-century philosophy, F. A. Trendelenburg's own philosophy has been largely ignored. However, among Kant scholars, Trendelenburg has always been remembered for his feud with Kuno Fischer over the subjectivity of space and time in Kant's philosophy. The topic of the dispute, now frequently referred to as the ‘Neglected Alternative’ objection, has become a prominent issue in contemporary discussions and interpretations of Kant's view of space and time. The Neglected Alternative contends that Kant unjustifiably moves from the claim that we have a priori intuitions of space and time to the sceptical conclusion that space and time are exclusively subjective. Most current discussions trace the objection back to Trendelenburg and often use him to motivate the objection. However, to date Trendelenburg's actual arguments and reasons for rejecting the Kantian view of space and time have not been sufficiently uncovered; my goal here is to fill this lacuna. By better understanding what Trendelenburg actually argued, we will be in a better position to assess whether the Neglected Alternative objection against Kant is successful. But in addition, Trendelenburg's own system is of independent philosophical interest, and my work here will shed light on one part of it. 相似文献
948.
RESUMENEn esta entrevista Bem comenta la relación entre sus aportaciones científicas -el estudio psicológico de los roles sexuales a nivel tanto instrumental como conceptual- y su compromiso personal a favor de unas relaciones más igualitarias entre las personas, ofreciendo una visión comprehensiva de su evolución profesional y personal y repasando las cuestiones más interesantes de la etapa de estudios sobre androginia (1974–1979) y de su actual enfoque cognitivo. Tras comenzar explicando su formación y trayectoria científica, así como las motivaciones que han guiado su trabajo, la autora realiza un análisis crítico del Bem Sex Role Inventory (BSRI). Seguidamente profundiza en diversos aspectos del concepto “androginia” acuñado por ella y explica las razones por las que a partir de 1979 los sujetos tipificados sexualmente se convierten en el blanco de su teoría sobre el esquema cognitivo del género, así como la caracterización de los conceptos masculinidad y/o feminidad como constructos cognitivos. La entrevista finaliza con algunas alusiones acerca de cómo educar a los niños de una “forma no esquemática” con respecto al género y señalando sus preocupaciones científicas más recientes en torno al concepto de género en los niños. 相似文献
949.
Tobias Heycke Sarah Gehrmann Julia M. Haaf Christoph Stahl 《Cognition & emotion》2013,27(8):1708-1727
ABSTRACTEvaluative conditioning (EC) is proposed as a mechanism of automatic preference acquisition in dual-process theories of attitudes (Gawronski, B., & Bodenhausen, G. V. (2006). Associative and propositional processes in evaluation: An integrative review of implicit and explicit attitude change. Psychological Bulletin, 132(5), 692–731. doi:10.1037/0033-2909.132.5.692). Evidence for the automaticity of EC comes from studies claiming EC effects for subliminally presented stimuli. An impression-formation study showed a selective influence of briefly presented primes on implicitly measured attitudes, whereas supraliminally presented behavioural information about the target person was reflected in explicit ratings (Rydell, R. J., McConnell, A. R., Mackie, D. M., & Strain, L. M. (2006). Of two minds forming and changing valence-inconsistent implicit and explicit attitudes. Psychological Science, 17(11), 954–958. doi:10.1111/j.1467-9280.2006.01811.x) This finding is considered one of the strongest pieces of evidence for dual process theories (Sweldens, S., Corneille, O., & Yzerbyt, V. (2014). The role of awareness in attitude formation through evaluative conditioning. Personality and Social Psychology Review, 18(2), 187–209. doi:10.1177/1088868314527832), and it is therefore crucial to assess its reliability and robustness. The present study presents two registered replications of the Rydell et al. (2006) study. In contrast to the original findings, the implicit measures did not reflect the valence of the subliminal primes in both studies. 相似文献
950.
When there is an established strategy to solve a problem, we often approach the problem with a mindset that makes us blind for more efficient solutions. We examined the role of affect in overcoming such blinding effects of mindsets. As positive affect is known to broaden and negative affect to narrow thought–action repertoires, we speculated that positive affect facilitates and negative affect impedes the overcoming of a current mindset. To induce a mindset, participants initially solved 60 similar problems which were only solvable using the same complex strategy. After a short break in which positive or negative affect was induced, participants continued to work on the problems. Critically, there now was an additional simple way to solve the problems. Participants experiencing positive affect were more likely to detect the simple solution than participants experiencing negative affect. These findings reveal that affect modulates how much we are constrained by current mindsets. 相似文献