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481.
Nick Hopkins 《Journal of community & applied social psychology》1994,4(5):329-345
This paper argues that ‘peer group pressure’ conveys an individualistic and hence inadequate account of the group processes involved in adolescents' adoption of health-related behaviours such as smoking and drinking. We describe traditional analyses of adolescent peer processes, illustrate how these contain a series of individualistic assumptions about peer interactions/social influence processes, and describe how these structure the analysis of adolescent health-related behaviour and health education interventions. We highlight the inadequacies of these analyses, outline an alternative and draw out its implications for health education. 相似文献
482.
Quasi-experimental evaluation methods promised to provide a way of testing and improving solutions to social problems. These
methods have been found wanting. Alternative approaches, including “pragmatic evaluation,” “naturalistic evaluation,” and
“pluralist evaluation” are also shown to be unsatisfactory. The initial promise of the evaluation movement has been disappointed.
Realistic evaluation is advocated as an alternative to existing forms of evaluation. It is rooted in some European traditions
in epistemology, ontology, and social theory. It offers a framework within which rigorous outcome evaluations can be undertaken
with results that can inform policy and practice.
He is president of the Research Committee on Methodology of the International Sociological Association.
He is seconded part-time to the Home Office Police Research Group as a research consultant.
An earlier version of this paper was presented at the founding conference of the European Evaluation Society, The Hague, 1–2
December, 1994. 相似文献
483.
Nick Huggett 《国际科学哲学研究》1999,13(1):17-34
This paper develops and defends three related forms of relationism about spacetime against attacks by contemporary substantivalists. It clarifies Newton's globes argument to show that it does not bear on relations that fail to determine geodesic motions, since the inertial effects on which Newton relies are not simply correlated with affine structure, but must be understood in dynamical terms. It develops remarks by Sklar and van Fraassen into relational versions of Newtonian mechanics, and argues that Earman does not show them to trivialize the debate. 相似文献
484.
Nick Donnelly Richard Guest Mike Fairhurst Jonathan Potter Anthony Deighton Mahool Patel 《Behavior research methods》1999,31(4):668-673
We describe a set of algorithms that enhance the sensitivity of cancellation tests used in assessing visuospatial neglect. The algorithms can be readily implemented on a computer and can provide temporal and nontemporal data on strategies used during cancellation. We also present preliminary results from a group of 68 right-hemisphere brain-damaged patients and 12 age-matched control participants, which demonstrate the clinical significance of the measures we have defined. 相似文献
485.
Nick Stirling 《Quarterly journal of experimental psychology (2006)》1979,31(1):121-132
Three theories of Stroop interference are considered: perceptual conflict theory (Hock and Egeth, 1970), response competition theory (Morton, 1969) and conceptual encoding theory (Seymour, 1977). The first two fail to provide a full explanation of the available data, and Seymour's evidence is incomplete. Two experiments are reported. In the first, typical Stroop interference occurs in naming colour patches. In the second, subjects responded to colour patches with learned letter name responses. Both stimulus-related (incongruent colour names) and response-related (incongruent letters) distractors produced interference. These results indicate that any theory which assumes only a single locus for interference is incomplete. Conceptual encoding conflict and a modified form of response competition are suggested as possible dual mechanisms for Stroop interference effects. 相似文献
486.
It is widely assumed that human learning and the structure of human languages are intimately related. This relationship is frequently suggested to derive from a language-specific biological endowment, which encodes universal, but communicatively arbitrary, principles of language structure (a Universal Grammar or UG). How might such a UG have evolved? We argue that UG could not have arisen either by biological adaptation or non-adaptationist genetic processes, resulting in a logical problem of language evolution. Specifically, as the processes of language change are much more rapid than processes of genetic change, language constitutes a "moving target" both over time and across different human populations, and, hence, cannot provide a stable environment to which language genes could have adapted. We conclude that a biologically determined UG is not evolutionarily viable. Instead, the original motivation for UG--the mesh between learners and languages--arises because language has been shaped to fit the human brain, rather than vice versa. Following Darwin, we view language itself as a complex and interdependent "organism," which evolves under selectional pressures from human learning and processing mechanisms. That is, languages themselves are shaped by severe selectional pressure from each generation of language users and learners. This suggests that apparently arbitrary aspects of linguistic structure may result from general learning and processing biases deriving from the structure of thought processes, perceptuo-motor factors, cognitive limitations, and pragmatics. 相似文献
487.
Ervin E. Wright II Nick J. Piazza John M. Laux 《Journal of Addictions & Offender Counseling》2008,28(2):119-127
Previous studies have shown the Substance Abuse Subtle Screening Inventory‐3 (G. Miller, 1999) to be valid in classifying substance use disorders in forensic and mentally ill populations. The authors found that it also correctly classified substance use disorders in the understudied not guilty by reason of insanity population. 相似文献
488.
489.
Stian Reimers Elizabeth A. Maylor Neil Stewart Nick Chater 《Personality and individual differences》2009,47(8):973-978
There has been discussion over the extent to which delay discounting – as prototypically shown by a preference for a smaller-sooner sum of money over a larger-later sum – measures the same kind of impulsive preferences that drive non-financial behavior. To address this issue, a dataset was analyzed containing 42,863 participants’ responses to a single delay-discounting choice, along with self-report behaviors that can be considered as impulsive. Choice of a smaller-sooner sum was associated with several demographics: younger age, lower income, and lower education; and impulsive behaviors: earlier age of first sexual activity and recent relationship infidelity, smoking, and higher body mass index. These findings suggest that at least an aspect of delay discounting preference is associated with a general trait influencing other forms of impulsivity, and therefore that high delay discounting is another form of impulsive behavior. 相似文献
490.
ABSTRACT— Estimating the financial value of pain informs issues as diverse as the market price of analgesics, the cost-effectiveness of clinical treatments, compensation for injury, and the response to public hazards. Such valuations are assumed to reflect a stable trade-off between relief of discomfort and money. Here, using an auction-based health-market experiment, we show that the price people pay for relief of pain is strongly determined by the local context of the market, that is, by recent intensities of pain or immediately disposable income (but not overall wealth). The absence of a stable valuation metric suggests that the dynamic behavior of health markets is not predictable from the static behavior of individuals. We conclude that the results follow the dynamics of habit-formation models of economic theory, and thus, this study provides the first scientific basis for this type of preference modeling. 相似文献