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41.
Dwayne Hudson Mulder 《逻辑史和逻辑哲学》2013,34(1-2):141-154
There have been and continue to be disagreements about how to consider the traditional square of opposition and the traditional inferences of obversion, conversion, contraposition and inversion from the perspective of contemporary quantificational logic. Philosophers have made many different attempts to save traditional inferences that are invalid when they involve empty classes. I survey some of these attempts and argue that the only satisfactory way of saving all the traditional inferences is to make the existential assumption that both the subject and predicate classes and their complement classes are non-empty for all the propositions we admit. I briefly indicate the room for continued controversy over how properly to interpret Aristotle’s statements regarding these inferences, but find some plausibility in the views of Manley Thompson and A.N.Prior that Aristotle had in mind a particular arrangement of existential import unfamiliar to most contemporary logicians 相似文献
42.
Lynn Bruyneel Henk van Steenbergen Bernhard Hommel Guido P. H. Band Rudi De Raedt Ernst H. W. Koster 《Psychological research》2013,77(3):320-332
In models of affect and cognition, it is held that positive affect broadens the scope of attention. Consistent with this claim, previous research has indeed suggested that positive affect is associated with impaired selective attention as evidenced by increased interference of spatially distant distractors. However, several recent findings cast doubt on the reliability of this observation. In the present study, we examined whether selective attention in a visual flanker task is influenced by positive mood induction. Across three experiments, positive affect consistently failed to exert any impact on selective attention. The implications of this null-finding for theoretical models of affect and cognition are discussed. 相似文献
43.
Jacques Vermeulen Q. Michael Temane Ernst J. van der Merwe 《Journal of Psychology in Africa》2013,23(4):557-560
The aim of this research was to explore a group of black South Africans' experiences of telling their untold stories of survival about the apartheid era. The expectation was that if they did become more aware of these alternative stories, it could have a far-reaching effect on their lives. A qualitative study was conducted with a group of seven black South African survivors of the apartheid era, ranging in age from 42–62 years (males =5, females =2). These participants formed part of an earlier study investigating their perceptions regarding factors that helped them to survive the apartheid era. For the present study, unstructured interviews were conducted focusing on their subjective experiences after the initial study. Analysis of the data yielded seven prevalent themes, namely a positive experience that made a difference, gaining of a positive attitude, not all white people are bad, transgressing the past and moving on, awareness of personal strengths, forgiveness and starting to talk to family and friends. The participants became aware of their untold stories of survival and experienced a positive change within themselves, towards others, the past and the future. 相似文献
44.
Three studies, covering together the age range from 3 to 16 years, show the relationships between age, short-term memory span, and language abilities. The growth of the traditional memory span in childhood is systematically related to a concomitant growth of language abilities as tested with CELF-3 Screening, two tests of word knowledge, a test of reception of grammar (TROG-2), and the British Picture Vocabulary Test (BPVS). Linear regression and ANCOVA analyses show that the growth of memory span is fully explained by the growth of language abilities in the three studies that covered different subsamples of children. In a confirmatory factor analysis a two-factor model fits the data well and shows that a “crystallised” language factor is strongly related to age, whereas a “fluid” short-term memory factor is unrelated to age. The two-factor model gives support to Baddeley's multicomponent model of working memory, and the current data suggest that the capacity of the phonological store is fully developed in children younger than 4 years old. The authors hold that chunking capacity, highly dependent on language abilities, is a major source of memory span growth with age. Rather than an increase in the number of chunks, or episodes retained in short-term memory (=chunk span), it is argued that childhood memory span development reflects an increase in the size of each chunk (=chunking capacity). 相似文献
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Ernst Kux 《Studies in East European Thought》1990,40(1-3):89-111
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