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11.
In his paper ‘Changing the Theory of Theory Change: Reply to My Critics’, N. Tennant (1997b) reacts to the critical reception
of an earlier article of his. The present note rectifies some of the most serious misrepresentations in Tennant's reply.
This revised version was published online in July 2006 with corrections to the Cover Date. 相似文献
12.
Sven Ove Hansson 《Erkenntnis》1992,37(3):401-429
Different similarity relations on sets are introduced, and their logical properties are investigated. Close relationships are shown to hold between similarity relations that are based on symmetrical difference and operators of belief contraction that are based on relational selection functions. Two new rationality criteria for minimal belief contraction, the maximizing property and the reducing property, are proposed. 相似文献
13.
Two separate studies tested the hypothesis that perceived similarity to members of an organization was related to attraction to that organization, but only for relationship-motivated persons, and not for task-motivated persons. Support for the hypothesis was obtained in both studies using Least Preferred Coworker (LPC) scores as measures of relationship and task motivation. For high-LPC persons only, perceived similarity of personality (study 1) and perceived similarity of values and attitudes (study 2) were related to attraction to the organization. The report seeks to integrate the literature on interpersonal attraction and on job satisfaction and suggests practical implications of the findings. 相似文献
14.
Bengt Hansson 《Synthese》1968,18(4):423-442
Summary The basic theory of preference relations contains a trivial part reflected by axioms A1 and A2, which say that preference relations are preorders. The next step is to find other axims which carry the theory beyond the level of the trivial. This paper is to a great part a critical survey of such suggested axioms. The results are much in the negative — many proposed axioms imply too strange theorems to be acceptable as axioms in a general theory of preference. This does not exclude, of course, that they may well be reasonable axioms for special calculi of preference. I believe that many axioms which are rejected here may be plausible if their range of application is restricted by conditions which are possible to formulate only in a language richer than that of the propositional calculus, e.g. in one containing modal operators or probabilistic concepts. 相似文献
15.
Choice structures and preference relations 总被引:1,自引:0,他引:1
Bengt Hansson 《Synthese》1968,18(4):443-458
16.
17.
Sven Ove Hansson 《Erkenntnis》2008,69(1):31-54
Specified meet contraction is the operation ?\div defined by the identity K ?p = K ~ f(p)K \div p = K \,{\sim}\, f(p) where ∼ is full meet contraction and f is a sentential selector, a function from sentences to sentences. With suitable conditions on the sentential selector, specified
meet contraction coincides with the partial meet contractions that yield a finite-based contraction outcome if the original
belief set is finite-based. In terms of cognitive realism, specified meet contraction has an advantage over partial meet contraction
in that the selection mechanism operates on sentences rather than on temporary infinite structures (remainders) that are cognitively
inaccessible. Specified meet contraction provides a versatile framework in which other types of contraction, such as severe
withdrawal and base-generated contraction, can be expressed with suitably chosen properties of the sentential selector. 相似文献
18.
Strømsvik N Nordin K Berglund G Engebretsen LF Hansson MG Gjengedal E 《Journal of genetic counseling》2007,16(1):105-117
This qualitative study explores how 29 Swedish patients with Multiple Endocrine Neoplasia type 1 (MEN1) experience living
with the condition, appraisal of the clinical follow-up program, and surveys their future expectations. The aim of this study
is to build knowledge about this patient group in order to provide optimal care. The participants describe physical, psychological,
and social limitations in their daily activities and how these limitations influence quality of life. Our findings indicate
that a majority of patients have adjusted to their situation, describing themselves as being healthy despite physical symptoms
and treatment. The participants received decent care in the clinical follow-up program, - however, greater effort should be
put into patient information. These patients might benefit from genetic counseling. Health professionals involved should recognize
their potential impact and influence on a patient’s ability to adjust to these circumstances. Antonovsky`s Sense of Coherence
theory is used to discuss these findings. 相似文献
19.
Sven Ove Hansson 《国际科学哲学研究》2009,23(3):237-243
A definition of pseudoscience is proposed, according to which a statement is pseudoscientific if and only if it (1) pertains to an issue within the domains of science, (2) is not epistemically warranted, and (3) is part of a doctrine whose major proponents try to create the impression that it is epistemically warranted. This approach has the advantage of separating the definition of pseudoscience from the justification of the claim that science represents the most epistemically warranted statements. The definition is used to explain why proponents of widely divergent criteria for the demarcation between science and pseudoscience tend to be in almost complete agreement on the particular demarcations that should presumably be based on these general criteria. 相似文献
20.
Sven Ove Hansson 《Synthese》1992,91(3):239-245
In the most common approaches to belief dynamics, states of belief are represented by sets that are closed under logical consequence. In an alternative approach, they are represented by non-closed belief bases. This representation has attractive properties not shared by closed representations. Most importantly, it can account for repeated belief changes that have not yet been satisfactorily accounted for in the closed approach. 相似文献