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851.
Do Additional Features Help or Hurt Category Learning? The Curse of Dimensionality in Human Learners
The curse of dimensionality, which has been widely studied in statistics and machine learning, occurs when additional features cause the size of the feature space to grow so quickly that learning classification rules becomes increasingly difficult. How do people overcome the curse of dimensionality when acquiring real‐world categories that have many different features? Here we investigate the possibility that the structure of categories can help. We show that when categories follow a family resemblance structure, people are unaffected by the presence of additional features in learning. However, when categories are based on a single feature, they fall prey to the curse, and having additional irrelevant features hurts performance. We compare and contrast these results to three different computational models to show that a model with limited computational capacity best captures human performance across almost all of the conditions in both experiments. 相似文献
852.
853.
Andrew Moon 《Pacific Philosophical Quarterly》2017,98(Z1):208-226
This article explores evolutionary debunking arguments as they arise in metaethics against moral realism and in philosophy of religion against naturalism. Both literatures have independently grappled with the question of which beliefs one may use to respond to a potential defeater. In this article, I show how the literature on the argument against naturalism can help clarify and bring progress to the literature on moral realism with respect to this question. Of note, it will become clear that the objection that the moral realist begs the question, when appealing to the truth of some of her moral beliefs, is unsuccessful. 相似文献
854.
855.
Summary Studies of attention have generally assumed that the principal limit to visual perception involves the capacity to identify a stimulus. Analyses of responses in visual tasks, however, suggest that errors can arise from a loss of position information, as well as a loss of identity information, and that these two types of errors may be affected by different variables. Based on this, we have proposed that the difficult aspect of perception is not that of recognizing the form of the stimulus but rather determining its position relative to other items in the field. To demonstrate this, we conducted a series of experiments on lateral masking that showed that the failure to perceive a parafoveal stimulus surrounded by other items is due to two quite separate components: a loss of identity information induced by the immediately adjacent items and a loss of position information induced by both adjacent and non-adjacent items.This research was supported by grant A-9581 from the Natural Sciences and Engineering Research Council of Canada to the senior author. The first two experiments were reported in a paper to the annual meeting of the Psychonomics Society, San Antonio, 1984 相似文献
856.
Margot Prior Gay Crook Andrew Stripp Marion Power Michelle Joseph 《Personality and individual differences》1986,7(6)
Although the terms temperament and personality are often used interchangeably in the literature and clearly are conceptually related, there is little empirical data to illuminate their relationship. In this exploratory study we measured temperament (using the Dimensions of Temperament Survey), and personality (using the Eysenck Personality Questionnaire), in young adolescents and in adults. Some age and sex differences in relationships between the measures and their correlations were found. The temperament dimension of adaptability was clearly related to Eysenck's Extraversion factor and reactivity to Neuroticism in females. More substantial relationships emerged in the adult sample than in the adolescent group, Our data, combined with that of a 1984 Australian study using different techniques, provides substantial support for measurable overlap between some dimensions of temperament derived largely from the developmental literature, and Eysenck's personality theory. 相似文献
857.
858.
Andrew Samuels 《The Journal of analytical psychology》1986,31(2):183-189
S tein , M urray . Jung's Treatment of Christianity: The Psychotherapy of a Religious Tradition
R ycroft , C harles . Psychoanalysis and Beyond
C hasseguet -S mirgel , J anine . The Ego Ideal: A Psychoanalytic Essay on the Malady of the Ideal
R othstein , A rnold . The Narcissistic Pursuit of Perfection 相似文献
R ycroft , C harles . Psychoanalysis and Beyond
C hasseguet -S mirgel , J anine . The Ego Ideal: A Psychoanalytic Essay on the Malady of the Ideal
R othstein , A rnold . The Narcissistic Pursuit of Perfection 相似文献
859.
Andrew Samuels 《The Journal of analytical psychology》1986,31(4):395-403
J acoby , M ario . Longing for Paradise. Psychological Perspectives on an Archetype
S amuels , A ndrew (Ed.). The Father: Contemporary Jungian Perspectives
W heelwright , J. H. For Women Growing Older-the Animus
F rustration /G ratification . Rivista di Psicologia Analitica
I zutsu , T oshihiko . The Interior and Exterior in Zen Buddhism 相似文献
S amuels , A ndrew (Ed.). The Father: Contemporary Jungian Perspectives
W heelwright , J. H. For Women Growing Older-the Animus
F rustration /G ratification . Rivista di Psicologia Analitica
I zutsu , T oshihiko . The Interior and Exterior in Zen Buddhism 相似文献
860.
We investigated the effects of a sibling training procedure, consisting of direct prompting and modeling, on the occurrence of reciprocal interactions between nonhandicapped and handicapped siblings. Data were obtained for training, generalization, and follow-up. Results of a multiple-baseline design across three pairs of siblings showed that: (a) direct prompting of interactions was an effective strategy for increasing reciprocal interactions between handicapped and nonhandicapped siblings; (b) the training procedure resulted in increased levels of initiations and responsiveness to initiations; (c) reciprocal interactions between siblings generalized to larger play groups or across settings; (d) reciprocal interactions between handicapped subjects and untrained, nonhandicapped peers increased without direct training; (e) the siblings' levels of interactions were maintained at 6 mo follow-up; and (f) these findings were judged socially valid by the siblings' parents. 相似文献