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We investigate the philosophical significance of the existence of different semantic systems with respect to which a given
deductive system is sound and complete. Our case study will be Corcoran’s deductive system D for Aristotelian syllogistic
and some of the different semantic systems for syllogistic that have been proposed in the literature. We shall prove that
they are not equivalent, in spite of D being sound and complete with respect to each of them. Beyond the specific case of
syllogistic, the goal is to offer a general discussion of the relations between informal notions—in this case, an informal
notion of deductive validity—and logical apparatuses such as deductive systems and (model-theoretic or other) semantic systems
that aim at offering technical, formal accounts of informal notions. Specifically, we will be interested in Kreisel’s famous
‘squeezing argument’; we shall ask ourselves what a plurality of semantic systems (understood as classes of mathematical structures)
may entail for the cogency of specific applications of the squeezing argument. More generally, the analysis brings to the
fore the need for criteria of adequacy for semantic systems based on mathematical structures. Without such criteria, the idea
that the gap between informal and technical accounts of validity can be bridged is put under pressure. 相似文献
33.
Choice confidence is a central measure in psychological decision research, often being reported on a probabilistic scale. Simple mechanisms that describe the psychological processes underlying choice confidence, including those based on error and confirmation biases, have typically received support via fits to data averaged over subjects. While averaged data ease model development, they can also destroy important aspects of the confidence data distribution. In this paper, we develop a hierarchical model of raw confidence judgments using the beta distribution, and we implement two simple confidence mechanisms within it. We use Bayesian methods to fit the hierarchical model to data from a two-alternative confidence experiment, and we use a variety of Bayesian tools to diagnose shortcomings of the simple mechanisms that are overlooked when applied to averaged data. Bugs code for estimating the models is also supplied. 相似文献
34.
Marta Castela David Kellen Edgar Erdfelder Benjamin E. Hilbig 《Psychonomic bulletin & review》2014,21(5):1131-1138
The recognition heuristic (RH) theory states that, in comparative judgments (e.g., Which of two cities has more inhabitants?), individuals infer that recognized objects score higher on the criterion (e.g., population) than unrecognized objects. Indeed, it has often been shown that recognized options are judged to outscore unrecognized ones (e.g., recognized cities are judged as larger than unrecognized ones), although different accounts of this general finding have been proposed. According to the RH theory, this pattern occurs because the binary recognition judgment determines the inference and no other information will reverse this. An alternative account posits that recognized objects are chosen because knowledge beyond mere recognition typically points to the recognized object. A third account can be derived from the memory-state heuristic framework. According to this framework, underlying memory states of objects (rather than recognition judgments) determine the extent of RH use: When two objects are compared, the one associated with a “higher” memory state is preferred, and reliance on recognition increases with the “distance” between their memory states. The three accounts make different predictions about the impact of subjective recognition experiences—whether an object is merely recognized or recognized with further knowledge—on RH use. We estimated RH use for different recognition experiences across 16 published data sets, using a multinomial processing tree model. Results supported the memory-state heuristic in showing that RH use increases when recognition is accompanied by further knowledge. 相似文献
35.
In the current brief report, we examined threat perception in a group of young children who may be at‐risk for anxiety due to extreme temperamental shyness. Results demonstrate specific differences in the processing of social threats: 4‐ to 7‐year‐olds in the high‐shy group demonstrated a greater bias for social threats (angry faces) than did a comparison group of low‐shy children. This pattern did not hold for non‐social threats like snakes: Both groups showed an equal bias for the detection of snakes over frogs. The results suggest that children who are tempermentally shy have a heightened sensitivity to social signs of threat early in development. These findings have implications for understanding mechanisms of early threat sensitivity that may predict later socioemotional maladjustment. 相似文献
36.
Social Psychology of Education - Positive education has gained increased interest and attention in the last decade. Born as an applied movement within positive psychology, positive education aims... 相似文献
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Allison Jessee Sarah C. Mangelsdorf Maria S. Wong Sarah J. Schoppe-Sullivan Aya Shigeto Geoffrey L. Brown 《Journal of child and family studies》2018,27(1):187-197
Reflective functioning (RF) is a measure of mentalization—the capacity to think about one’s own and others’ thoughts and feelings and to understand the connections between mental states and behaviors. Previous research indicates a decline in marital quality across the transition to parenthood, and some studies have found that parents are less happy than non-parents. Thus, researchers have called for research into possible moderators of these patterns. RF may help couples navigate this transition by more easily taking each other’s (and the infant’s) perspective and understanding each other’s behaviors. Much of the research on RF has focused on mothering behavior; research has not yet examined associations between RF and other family interactions. We examined associations between RF and marital and coparenting quality for both wives and husbands. Reflective functioning was coded from Adult Attachment Interviews conducted during pregnancy. We assessed marital quality at 3.5 months, and coparenting quality at 13 months, after the birth of the target child. Wives’ higher RF was associated with higher levels of positive—and lower levels of negative—marital and coparenting interactions. Wives who were better able to reflect on their early experiences with their parents were involved in marital interactions that were more positive and supportive and less conflicted and undermining. Husbands’ RF did not predict marital or coparenting quality. These findings highlight the importance of reflective functioning in understanding family functioning. 相似文献
39.
Measurement invariance is a fundamental assumption in item response theory models, where the relationship between a latent construct (ability) and observed item responses is of interest. Violation of this assumption would render the scale misinterpreted or cause systematic bias against certain groups of persons. While a number of methods have been proposed to detect measurement invariance violations, they typically require advance definition of problematic item parameters and respondent grouping information. However, these pieces of information are typically unknown in practice. As an alternative, this paper focuses on a family of recently proposed tests based on stochastic processes of casewise derivatives of the likelihood function (i.e., scores). These score-based tests only require estimation of the null model (when measurement invariance is assumed to hold), and they have been previously applied in factor-analytic, continuous data contexts as well as in models of the Rasch family. In this paper, we aim to extend these tests to two-parameter item response models, with strong emphasis on pairwise maximum likelihood. The tests’ theoretical background and implementation are detailed, and the tests’ abilities to identify problematic item parameters are studied via simulation. An empirical example illustrating the tests’ use in practice is also provided. 相似文献
40.