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91.
In Logical consequence: A defense of Tarski (Journal of Philosophical Logic, vol. 25, 1996, pp. 617–677), Greg Ray defends Tarski"s account of logical consequence against the criticisms of John Etchemendy. While Ray"s defense of Tarski is largely successful, his attempt to give a general proof that Tarskian consequence preserves truth fails. Analysis of this failure shows that de facto truth preservation is a very weak criterion of adequacy for a theory of logical consequence and should be replaced by a stronger absence-of-counterexamples criterion. It is argued that the latter criterion reflects the modal character of our intuitive concept of logical consequence, and it is shown that Tarskian consequence can be proved to satisfy this criterion for certain choices of logical constants. Finally, an apparent inconsistency in Ray"s interpretation of Tarski"s position on the modal status of the consequence relation is noted. 相似文献
92.
This study examines previous explanations of democratic peace in light of sociocultural factors and foreign policy actions that influence public perceptions of another country. Two experiments assessed the effects of relevant sociocultural and foreign policy action cues on perception of the regime type of a target nation and on public approval of the use of force. The findings suggest that sociocultural cues affect regime perception. Moreover, perceived similarity of a target nation and foreign policy actions are significant determinants of the public approval of the use of force in addition to perceptions of regime type. 相似文献
93.
Robert Sternfeld Graeme Forbes Ronald M. Green Lorenzo Peña Manuel Liz Mark Rowlands 《Philosophia》1994,24(1-2):225-252
94.
Correlations of glucose metabolism and structural damage to language function in aphasia 总被引:1,自引:0,他引:1
E. Jeffrey Metter Walter H. Riege Wayne R. Hanson Lawrence R. Camras Michael E. Phelps David E. Kuhl 《Brain and language》1984,21(2):187-207
Studies of aphasic patients using [18F]fluorodeoxyglucose positron computed tomographs have shown areas of metabolic depression in the left hemisphere larger than the area of infarction noted on CT. To evaluate these metabolic differences in relationship to language abnormalities, 11 patients had metabolic scans, CT, and were administered the Boston Diagnostic Aphasia Battery and the Porch Index of Communicative Ability. Correlation analyses were computed between metabolic, CT, and language data. CT demonstrated reliable correlations of speaking, oral reading, and repetition to Wernicke' area, consistent with current anatomic language models, while metabolic data from areas posterior, inferior, and superior to the traditional Wernicke's area and the head of the caudate nucleus also had reliable correlations with aphasic language function. The utilization of both structural and metabolic brain measures may improve our understanding of the anatomy of language as related to aphasia. 相似文献
95.
This study investigated the ability of the 51-item Southern Illinois University Speech Situation Checklist (SSC) to differentiate stutterers known to have high levels of speech-related anxiety from nonstutterers with normal levels of speech- related anxiety. Checklist responses of 65 randomly selected subjects (33 stutterers and 32 nonstutterers) were subjected to a stepwise discriminant analysis. The analysis identified a combination of 21 SSC items that had significant discriminative power. Subsequently, the derived discriminant equation achieved 93% accuracy in correctly classifying a hold-out sample of 29 subjects (14 stutterers and 15 nonstutterers). These results strongly suggest that the 21 items of the SSC identified by discriminant analysis may provide an effective screening device for identifying disfluent speakers who experience an abnormal amount of speech-related anxiety. 相似文献
96.
Achievement motivation for males and females as a determinant of attributions for success and failure 总被引:2,自引:0,他引:2
Male and female college students, divided according to levels of achievement motivation, were asked to do an anagram task at which their success or failure was determined by experimental manipulation of the problems they were given. Their ratings of ability, effort, task difficulty, and luck as possible causes for success or failure indicated that those with high achievement motivation of both sexes made relatively higher ratings for ability and lower ratings for task difficulty. Females tended to employ higher ratings for luck, and females with high achievement motivation made maximal use of effort as a causal factor. Theoretical implications and potential applications of these data are discussed. 相似文献
97.
James D. A. Parker R. Michael Bagby Graeme J. Taylor Norman S. Endler Paul Schmitz 《欧洲人格杂志》1993,7(4):221-232
The 20-item Toronto Alexithymia Scale (TAS-20) was developed in previous research to measure a general dimension of alexithymia with three inter correlated factors. These three factors reflect distinct facets of the alexithymia construct: (1) difficulty identifying feelings and distinguishing them from the bodily sensations of emotion, (2) difficulty describing feelings to others, and (3) an externally orientated style of thinking. This study tested the three-factor model for the TAS-20, using confirmatory factor analysis, in separate samples of young adults from Germany, Canada, and the United States. The previously established three-factor model was found to be replicable in all three samples. In addition, the full TAS-20 and its three factors demonstrated adequate internal reliability in all three samples. Although evaluation of the convergent, discriminant, and criterion validity of the TAS-20 is required in diverse cultural groups, the present results provide evidence for the factorial validity and internal reliability of the TAS-20. 相似文献
98.
A range of factors affect human response to environmental change. They include the information available, understanding of the phenomenon, the nature of the decision-making processes implied, and the motivation for change. One major factor affecting decision making is that scientific information is not fully and accurately disseminated through society. The media have an important role in this process, but cannot disseminate all the necessary information in the manner that is required and do not reliably present information that is safe from misinterpretation. Further, scientific uncertainty about and complexity of biosphere changes complicate the process of reaching a rational decision. The mental model that people have of their world tends to be maintained unless it is contradicted by experienced events, so global change is likely to be understood only to the extent that it impacts on everyday life. Much of human reasoning is essentially analogical rather than based on standard logic, and its validity depends on finding a suitable analogical model. It is suggested that risk, or defence situations may provide useful analogies. Finally, we need to consider the motivational problems created by the sacrifices that must be made to deal with the problem effectively. 相似文献
99.
AliceAnn Crandall Chantel Daines Carl L. Hanson Michael D. Barnes 《Family process》2023,62(1):336-351
The purpose of this study was to examine the effects of Coronavirus (COVID-19)-related stressors and family health on adult anxiety and depressive symptoms 1 year into the pandemic. The sample consisted of 442 adults living in the United States who were recruited via Amazon Mechanical Turk. Data were analyzed using multiple logistic regression. Results indicated that compared to a sample 1 month into the pandemic, participants in the current sample reported worse family health and increases in both positive and negative perceptions of the pandemic on family life and routines. COVID-19 stressors and perceived negative effects of the pandemic on family life increased the odds for moderate-to-severe depression and anxiety while having more family health resources decreased the odds for depression and anxiety symptoms. Participants reported lower odds for worse depression and anxiety since the beginning of the pandemic when they reported more positive family meaning due to the pandemic. The results suggest a need to consider the impact of family life on mental health in pandemics and other disasters. 相似文献
100.