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111.
Sven Ove Hansson 《Erkenntnis》1989,31(1):1-42
A possible world semantics for preference is developed. The remainder operator () is used to give precision to the notion that two states of the world are as similar as possible, given a specified difference between them. A general structure is introduced for preference relations between states of affairs, and three types of such preference relations are defined. It is argued that one of them, actual preference, corresponds closely to the concept of preference in informal discourse. Its logical properties are studied and shown to be plausible. 相似文献
112.
Sune Sunesson Kjell Nilsson Birgitta Ericson Britt-Marie Johansson 《Knowledge, Technology, and Policy》1989,2(1):42-56
In Swedish welfare agencies, it was found that the importance of characteristics of social research for utilization was related
to three intervening factors: the context of origin of the research, the functions for the user and the utilization context.
These factors seem to explain the difference between competing notions on the importance of scientific sophistication for
research utilization.
Sune Sunesson is professor and head of the Ph.D. program and the research department of the School of Social Work at Lund
University. His main research interests are the sociology of human service organizations and the impact of science on these
organizations. Kjell Nilsson, Birgitta Ericson, and Britt-Marie Johansson are Ph.D. candidates in the Department of Sociology
of the Lund University. 相似文献
113.
Sven Ove Hansson 《Science and engineering ethics》2016,22(3):613-632
An experiment, in the standard scientific sense of the term, is a procedure in which some object of study is subjected to interventions (manipulations) that aim at obtaining a predictable outcome or at least predictable aspects of the outcome. The distinction between an experiment and a non-experimental observation is important since they are tailored to different epistemic needs. Experimentation has its origin in pre-scientific technological experiments that were undertaken in order to find the best technological means to achieve chosen ends. Important parts of the methodological arsenal of modern experimental science can be traced back to this pre-scientific, technological tradition. It is claimed that experimentation involves a unique combination of acting and observing, a combination whose unique epistemological properties have not yet been fully clarified. 相似文献
114.
Kjell Härnqvist 《Scandinavian journal of psychology》1997,38(1):55-62
Scores in ability tests administered to students in grades 4–9 were simultaneously factor-analyzed within twelve gender by grade groups. Gender and grade differences in means and variances were studied for five latent ability factors according to a hierarchical model and compared with means and variances in the observed scores.
Girls had higher means than boys in a general ability factor (G), in a residual general speed factor (Gs') and in a residual factor of numerical facility (N'). Boys were higher in a residual vocabulary factor (V') and most of all in a residual spatial visualization factor (Vz'). Boys had larger variances than girls in N' and Gs'. In general the differences in means and variances were in the same direction for the closest corresponding observed scores, but some striking discrepancies between latent and observed scores were found. As a rule, the discrepancies were due to the complexity of the tests where one factor could compensate for another.
In the discussion it was pointed out that some of the differences found were likely to have changed between the testing in the late 1950s and the present. Nevertheless the demonstration of the divergence between analyses of latent vs. observed scores remains valid. 相似文献
Girls had higher means than boys in a general ability factor (G), in a residual general speed factor (Gs') and in a residual factor of numerical facility (N'). Boys were higher in a residual vocabulary factor (V') and most of all in a residual spatial visualization factor (Vz'). Boys had larger variances than girls in N' and Gs'. In general the differences in means and variances were in the same direction for the closest corresponding observed scores, but some striking discrepancies between latent and observed scores were found. As a rule, the discrepancies were due to the complexity of the tests where one factor could compensate for another.
In the discussion it was pointed out that some of the differences found were likely to have changed between the testing in the late 1950s and the present. Nevertheless the demonstration of the divergence between analyses of latent vs. observed scores remains valid. 相似文献
115.
Sven Ove Hansson 《Philosophical Studies》1991,61(3):301-305
Conclusion Unlike the more commonly discussed paradoxes of deontic logic, the revenger's paradox is present not only in strong logics such as SDL, but also in much weaker logics that have been constructed to avoid the paradoxes of SDL. The paradox shows that any deontic logic with intersubstitutivity makes counter-intuitive truth assignments to some deontic expressions.However, the revenger's paradox does not pose as serious a problem as does Ross's paradox to the logics in which it occurs. A deontic logic in which Ross's paradox does not arise is preferable to one in which it does arise, even if the latter is subject to the revenger's paradox. 相似文献
116.
Left and right hemisphere processing capabilities for pictorial information about agent (performer of an action) and patient (recipient of an action) relations were assessed in a tachistoscopic study. Subjects were presented pictures in either the right or the left visual field depicting an agent-action-patient event. They were asked to locate which side of the drawing contained the agent and, in separate trials, which side contained the patient. Reaction times to locate the agent were significantly faster than to locate the patient, regardless of the field of presentation. The results are discussed in terms of a general nonlinguistic processing constraint that favors agent information. It is suggested that this processing asymmetry may underlie syntactic asymmetries regarding the expression of agents and patients in language. 相似文献
117.
R aaheim , K. Problem solving and the awareness of the missing part. Scand. J. Psychol ., 1962, 3 , 129–131.—When university students were asked to solve the so-called Pea Problem, with the added instruction of first looking for the missing instrumental part, solutions were not more frequent than without this addition, although the latter may have led to a greater awareness of the reason for choosing the correct line of attack. 相似文献
118.
Sven Ove Hansson 《Philosophical Studies》2001,104(1):33-46
Contrary to the received view, decision theory is not primarily devoted to instrumental (ends-to-means) reasoning. Instead, its major preoccupation is the derivation of ends from other ends. Given preferences over basic alternatives, it constructs preferences over alternatives that have been modified through the addition of value object modifiers (modes) that specify probability, uncertainty, distance in time etc. A typology of the decision-theoretical modes is offered. The modes do not have (even extrinsic) value, but they transform the value of objects to which they are applied. A rational agent's total set of preferences should be coherent, but from this it does not follow that her preferences over mode-containing objects have to be derivable from her preferences over mode-free objects. 相似文献
119.
D Reiss N L Pedersen M Cederblad P Lichtenstein K Hansson J M Neiderhiser O Elthammar 《Family process》2001,40(3):247-259
Studies focusing on genetic and social influences on maternal adjustment will illumine mother's marriage, parenting, and the development of psychopathology in her children. Recent behavioral genetic research suggests mechanisms by which genetic and social influences determine psychological development and adjustment. First, heritable, personal attributes may influence individuals' relationships with their family members. These genetically influenced family patterns may amplify the effects of adverse, heritable personal attributes on adjustment. Second, influences unique to siblings may be the most important environmental determinants of adjustment. We derive three hypotheses on maternal adjustment from integrating these findings from genetic studies with other contemporary research on maternal adjustment. First, mother's marriage mediates the influence of her heritable, personal attributes on her adjustment. Second, mother's recall of how she was parented is partially genetically influenced, and both her relationships with her spouse and her child mediate the impact of these genetically influenced representations on her current adjustment. Third, characteristics of mother's spouse are important influences on difference between her adjustment and that of her sister's. These sibling-specific influences are unrelated to mother's heritable attributes. The current article develops this model, and [figure: see text] the companion article describes the Twin Mom Study that was designed to test it as well, as its first findings. Data from this study can illumine the role of family process in the expression of genetic influence and lead to specific family interventions designed to offset adverse genetic influences. 相似文献
120.
D Reiss M Cederblad N L Pedersen P Lichtenstein O Elthammar J M Neiderhiser K Hansson 《Family process》2001,40(3):261-272
This is the first report of the Twin Mom Study, an investigation of three hypotheses concerning influences on maternal adjustment. These hypotheses concern the role of the marital and parent-child relationships in mediating genetic influences on maternal adjustment and on the importance of the mothers' marital partners as a specifiable source of influences on their adjustment not shared with their sisters. The study's sample of 150 monozygotic (MZ) twins and 176 dizygotic (DZ) twins was drawn randomly from the Swedish Twin Registry and is, with some small exceptions, likely to be representative of women in the Swedish population. The sample included the marital partners of these twins and their adolescent children. Self-report and coded videotapes were a source of information about family process. Results reported in this first report focus on comparability of American and Swedish samples on scales measuring psychiatric symptoms, and on an analysis of genetic and environmental influences on nine measures of mothers' adjustment. Results suggest comparability between the US and Sweden. Genetic influences were found for all measures of adjustment, particularly in the psychological manifestations of anxiety and for smoking. The pattern of findings also underscored the importance of influences unique to each sibling within the twin pair, thus focusing attention on the potential role of marital partners in maternal adjustment. Results also suggested that experiences shared by the twin sisters, experiences unrelated to their genetic similarity, may influence their fearfulness and alcohol consumption. Our model did not include these influences and thus must be amended. 相似文献