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91.
Camilla Kronqvist 《Inquiry (Oslo, Norway)》2013,56(6):650-668
What sense are we to make of the promise of love against the contingency of human life? I discuss two replies to this question: (1) the suggestion that marriage, based on the probable success of this kind of relationship, is a more or less worthwhile endeavour (cf. Moller and Landau), and (2) Martha Nussbaum's Aristotelian proposal that we only live life fully if we embrace aspects of life, such as loving relationships, that are vulnerable to fortune. I show that both responses, in different ways, depend on the presupposition that the sense of our promises to love is dependent on our ability to make predictions. The philosophers I discuss assume an epistemological standpoint from which we may attempt to judge whether it is in our general interest to love. I argue that embracing such a perspective by itself leads our attention away from the kind of personal and moral engagement in other people of which our promises to love are expressive. From the perspective of love, the attempt to calculate the risks and gains of loving itself appears as a moral failure to be present to the reality of other people. 相似文献
92.
Camilla J. Knight Candice M. Boden Nicholas L. Holt 《Journal of Applied Sport Psychology》2013,25(4):377-391
The purpose of this study was to identify junior tennis players’ preferences for parental behaviors at competitions. Eleven focus groups were conducted with 42 high performance Canadian tennis players (M age = 13.5 yrs, SD = 1.2 yrs). Analysis revealed several themes describing athletes’ views of supportive parental behaviors. Specific preferences were that parents should not provide technical and tactical advice, but they should comment on effort and attitude, provide practical advice, respect tennis etiquette, and match nonverbal behaviors with supportive comments. By providing a children's perspective, these findings offer guidance to enhance parental involvement in tennis. 相似文献
93.
Conners FA Loveall SJ Moore MS Hume LE Maddox CD 《Journal of experimental child psychology》2011,108(2):402-410
The self-teaching hypothesis suggests that children learn orthographic structure of words through the experience of phonologically recoding them. The current study is an individual differences analysis of the self-teaching hypothesis. A total of 40 children in Grades 2 and 3 (7-9 years of age) completed tests of phonological recoding, word identification, and orthographic knowledge. The relation of phonological recoding and word identification was significantly mediated by orthographic knowledge. Furthermore, two aspects of orthographic knowledge (perhaps word-specific and general orthographic knowledge) mediated different variance shared between phonological recoding and word identification. Results support an individual differences version of the self-teaching hypothesis and emphasize the importance of phonological recoding in the primary curriculum. 相似文献
94.
The present study used exploratory factor analysis (EFA) to investigate the factor structure of an Italian version of the Sociocultural Attitudes Towards Appearance Questionnaire-3 (SATAQ-3) with a sample of 598 adolescent girls. Results of EFA indicated a four-factor structure: Information, Pressures, Internalization-General, and Internalization-Athlete. Factor loadings confirmed the original structure of the scale, except for one item. As expected, the four factors appeared to be slightly correlated. Cronbach's alphas for the four subscales were uniformly high: Information = .91, Pressures = .91, Internalization-General = .94, Internalization-Athlete = .84. Convergent validity of this Italian version of the SATAQ-3 was found to be good. SATAQ-3 seems useful to measure different aspects of societal influences on body image in Italian contexts. Future studies could subject SATAQ-3 to a confirmatory factor analysis in order to confirm the adequate fit of the model according to conventional criteria. 相似文献
95.
Bias functions and operating characteristics of rats discriminating auditory stimuli 总被引:2,自引:2,他引:0
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Rats were trained to discriminate between two bursts of random noise that differed in intensity. In a two-lever, discrete-trial procedure, correct responses were reinforced with brain stimulation, and incorrect responses produced timeout. Responding was studied as a function of the decibel difference between the stimuli, the probabilities of presenting the stimuli, the relative duration of timeout consequent upon the two types of incorrect responses, and the absolute duration of timeout consequent upon incorrect responses. The results showed that the distribution of responses between the two levers depended upon the stimulus probabilities, but were independent of either the absolute or relative durations of timeout. When the stimulus probabilities were varied, the response probabilities did not match the stimulus probabilities; when the relative durations of timeout were varied, the animals did not obtain the maximum rate of reinforcement per unit time. Instead, the animals distributed their responses so as to obtain the maximum number of reinforcements at each level of discrimination. In addition, the level of discrimination increased as a function of the decibel difference between the stimuli. 相似文献
96.
Ann L. Hume 《Attention, perception & psychophysics》1974,15(3):425-433
Rats were trained to detect a signal consisting of an increment in the intensity of a random noise. The procedure was analogous to the yes-no method of human psychophysics, in that one response was defined as correct and reinforced with brain stimulation if the signal was presented, and another response was correct and reinforced if the noise alone was presented. Incorrect responses produced periods of time-out. Bias functions showing how the animals’ response probabilities varied as the signal intensity was reduced were obtained in two ways. In Experiment 1, the probability of presenting the signal was varied over four values between 0.4 and 0.6. In Experiment 2, the number of brain stimulations consequent upon a correct response in the presence of the signal was varied over four values between 3:1 and 1:2. Differences of 0.10 and 0.05 in the signal probability, and unit differences in the ratio of brain stimulations, resulted in distinctly different bias functions. Accuracy of detection increased with the signal intensity, and was independent of the animals’ response biases. When the signal probability was varied, the animals optimized the number of correct trials, and hence the number of brain stimulations obtained. When the ratio of brain stimulations was varied, the animals compromised between optimizing the number of correct trials and optimizing the number of brain stimulations obtained. 相似文献
97.
The top 1% of the extremely bright students identified by the Study of Mathematically Precocious Youth (Benbow & Stanley, 1980b) were tested along with their parents, using a battery of specifically designed cognitive tests. These students represented the top 0.03% of their age group in intellectual ability. The results showed that the parents were extremely able and resembled one another significantly more than parents in the general population. In addition, the intellectually precocious children resembled their parents to a lesser extent than children of average ability resemble their parents. These results suggest that considerable assortative mating has occurred among the parents of these extremely gifted youth, but that extreme giftedness cannot be predicted reliably solely as a result of the mating of bright parents. 相似文献
98.
Stephen A. Petrill David Ball Thalia Eley Linzy Hill Robert Plomin Gerald E. Mcclearn Deborah L. Smith Karen Chorney Michael Chorney Milton S. Hershz Douglas K. Detterman Lee A. Thompson Camilla Benbow David Lubinski Johanna Daniels Michael J. Owen Peter McGuffin 《Intelligence》1997,25(3):179-184
In a paper published in this journal, a possible QTL association was reported between general cognitive ability and a marker, identified by an expressed sequence tag, EST00083 (Skuder et al., 1995). In two small samples, the frequency of the common allele of this DNA marker, which was shown to be in the threonine transfer RNA gene in mitochondrial DNA, was significantly greater in a high-IQ group than in a low-IQ group. As part of the ongoing IQ QTL Project (Plomin et al., 1995), we have attempted to replicate this QTL association. First, we found that the QTL association remained significant when we compared 51 high- and 51 -average IQ subjects, drawn in part from the samples used in the previous report. However, when we examined the association in new samples of 40 extremely high-IQ subjects and 50 average-IQ subjects, the association did not replicate. This underlies the need for replication in case-control studies of allelic association. 相似文献
99.
When children learn to count and acquire a symbolic system for representing numbers, they map these symbols onto a preexisting system involving approximate nonsymbolic representations of quantity. Little is known about this mapping process, how it develops, and its role in the performance of formal mathematics. Using a novel task to assess children’s mapping ability, we show that children can map in both directions between symbolic and nonsymbolic numerical representations and that this ability develops between 6 and 8 years of age. Moreover, we reveal that children’s mapping ability is related to their achievement on tests of school mathematics over and above the variance accounted for by standard symbolic and nonsymbolic numerical tasks. These findings support the proposal that underlying nonsymbolic representations play a role in children’s mathematical development. 相似文献
100.
A sample of 2,409 intellectually talented adolescents (top 1%) who were assessed on the SAT by age 13 was tracked longitudinally for more than 25 years. Their creative accomplishments, with particular emphasis on literary achievement and scientific-technical innovation, were examined as a function of ability level (sum of math and verbal SAT scores) and tilt (math SAT score minus verbal SAT score). Results showed that distinct ability patterns uncovered by age 13 portend contrasting forms of creative expression by middle age. Whereas ability level contributes significantly to creative accomplishments, ability tilt is critical for predicting the specific domain in which they occur (e.g., securing a tenure-track position in the humanities vs. science, technology, engineering, or mathematics; publishing a novel vs. securing a patent). 相似文献