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11.
Abstract— Regions of objects that are partially obscured at the current retinal image are often perceptually filled in by the visual system (Kanizsa, 1979). In some cases (modal completion), this causes the filled-in region to appear tinged with the color and brightness of unobscured parts of that object, but m other cases (amodal completion), it does not (Michotte & Burke, 1951). It has recently been argued that modal and amodal completion both arise in preattentive vision, and may operate equivalently at that level (Davis & Driver, 1994, He & Nakayama, 1992, Shipley & Kellman, 1992). In this article, we show that they have different effects on attentive vision, with attention tending to spread to (and from) modally completed regions and their visible inducers, but not to (or from) comparable amodally completed regions and their inducers. This finding is consistent with visual attention operating on surfaces (e g, He & Nakayama, 1995) in a viewer-centered representation of the scene, after the operation of filling-in processes. 相似文献
12.
A small proportion of children and adolescents experience a debilitating level of social anxiety, known as social phobia. Initially, we consider the phenomenology and aetiology of social phobia in children and adolescents. A number of age-sensitive assessment instruments or tools are briefly considered: a diagnostic interview, selj-report instruments, behavioural observations, cognitive assessment, self-monitoring and psychophysiological recording. We explore cognitive-behavioural strategies that have been found to be useful in the management of social phobia. Although there is much research support for the efficacy of cognitive-behavioural strategies for adults with social phobia, it is emphasized that controlled evaluations have yet to be undertaken with socially phobic youngsters. 相似文献
13.
14.
Jamie Carney James L. Werth Greg Emanuelson 《Journal of counseling and development : JCD》1994,72(6):646-650
A total of 86 counseling students were assessed on their attitudes toward persons who are gay, attitudes toward persons with AIDS (Acquired Immune Deficiency Syndrome), and level of HIV (human immunodeficiency virus) and AIDS knowledge. Demographic data consisted of sex, age, and HIV- and AIDS-related training. Results indicated that the attitudinal and knowledge variables were correlated so that positive attitudes toward both groups corresponded with high levels of knowledge. There were no significant differences among these variables on the demographic factors. Implications of these results are discussed, with special emphasis placed on counselor education. 相似文献
15.
Abstract: Do memories change as we acquire new information? Recent research on memory distortion using implicit tests along with research using confidence is reviewed and new studies are presented. Two new studies asked misinformed subjects to provide reasons for their answers. In each study 15% to 27% of subjects said they remembered seeing items they had only read about. In another study subjects were asked to identify the source of misleading items they had seen in slides or read in misleading questions. Subjects were more likely to say they had seen in slides something they read about in the questions than they were to confuse information from two nearly identical sets of slides. Recent work shows that, not only is it possible to distort memory for events, it is possible to implant an entire memory for something that never happened. The evidence is now clear that we can become mentally tricked into making large as well as small changes in the way we recall the past. 相似文献
16.
Greg Ray 《Journal of Philosophical Logic》1996,25(6):617-677
In his classic 1936 essay “On the Concept of Logical Consequence”, Alfred Tarski used the notion of satisfaction to give a semantic characterization of the logical properties. Tarski is generally credited with introducing the model-theoretic characterization of the logical properties familiar to us today. However, in his book, The Concept of Logical Consequence, Etchemendy argues that Tarski's account is inadequate for quite a number of reasons, and is actually incompatible with the standard model-theoretic account. Many of his criticisms are meant to apply to the model-theoretic account as well. In this paper, I discuss the following four critical charges that Etchemendy makes against Tarski and his account of the logical properties:
- Tarski's account of logical consequence diverges from the standard model-theoretic account at points where the latter account gets it right.
- Tarski's account cannot be brought into line with the model-theoretic account, because the two are fundamentally incompatible.
- There are simple counterexamples (enumerated by Etchemendy) which show that Tarski's account is wrong.
- Tarski committed a modal fallacy when arguing that his account captures our pre-theoretical concept of logical consequence, and so obscured an essential weakness of the account.
- Tarski's account depends on there being a distinction between the “logical terms” and the “non-logical terms” of a language, but (according to Etchemendy) there are very simple (even first-order) languages for which no such distinction can be made. Etchemendy's critique raises historical and philosophical questions about important foundational work. However, Etchemendy is mistaken about each of these central criticisms. In the course of justifying that claim, I give a sustained explication and defense of Tarski's account. Moreover, since I will argue that Tarski's account and the model-theoretic account really do come to the same thing, my subsequent defense of Tarski's account against Etchemendy's other attacks doubles as a defense against criticisms that would apply equally to the familiar model-theoretic account of the logical properties.
17.
George A. Clum Bin Yang Greg A. R. Febbraro Deborah L. Canfield Mary Van Arsdel 《Journal of psychopathology and behavioral assessment》1996,18(2):119-132
The present study examined the validity of the Social Problem-Solving Inventory (SPSI) and SPSI—Revised in differentiating 65 high-suicidal from 63 depressed, low-suicidal college students. Results from multivariate analyses indicated overall differences in problem-solving between these two groups as measured by the SPSI but not by the SPSI-R. Further examination of these differences revealed the high-suicidal group was different in problem-solving orientation, rather than problem-solving skills, compared to the depressed, low-suicidal group. However, when depression was statistically controlled in hierarchical regression analyses, none of the problem-solving measures predicted group membership. The superiority of the SPSI to the SPSI-R in differentiating these two groups appears to be accounted for by the elimination of 28 items in the revised version, many of which measure orientation to problem-solving. Also explored was the possibility that objective measures of problem-solving provide a better prediction of adjustment than do self-report measures. 相似文献
18.
Susan Karp Manning 《Quarterly journal of experimental psychology (2006)》1978,30(3):551-554
Still and MacMillan (1977) suggested the negative of the Phi coefficient (- φ) as a measure of free-trial spontaneous alternation. This new index is compared with the Adjusted Alternation Ratio (AAR), previously developed by Manning (1973b). It is concluded that there are many situations in which the AAR is a more useful measure. Other issues in assessing spontaneous alternation noted by Still and MacMillan are discussed. 相似文献
19.
Susan Karp Manning 《Quarterly journal of experimental psychology (2006)》1980,32(2):257-267
Two experiments tested the effects of suffixes on the recall of tactual and visual sequences of alphabetic characters presented at 19 letters per min. Scoring techniques allowed for the differentiation of losses of item and order information. In Experiment I performance decrements were found for both modalities, which were mainly caused by item loss at the more recent part of the serial position curve in the suffix conditions. In Experiment II, these effects were replicated and a non-alphabetic suffix led to greater decrements for both modalities than an alphabetical suffix. While a suffix effect based on the loss of item information is consistent with a sensory trace interpretation of the suffix effect, the presence of a visual suffix effect with slow stimulus presentation is not. Additionally, the greater effect of the non-alphanumeric suffix challenges attentional interpretations. Some possible explanations are proposed. 相似文献
20.
Thomas Mehle Charles F. Gettys Carol Manning Suzanne Baca Stanley Fisher 《Acta psychologica》1981,49(2):127-140
The assessment of hypotheses in hypothesis generation involves a comparison between those hypotheses that have been generated (specified) and those that are not generated (unspecified). Experiment 1 was an investigation of an “availability explanation” for subjects' overconfidence in the probability of specified hypotheses. The conjecture is that subjects have difficulty retrieving unspecified hypotheses from memory. Therefore, the underpopulated set of unspecified hypotheses is assessed as less probable then it actually is and the specified set is assessed as more probable. Two manipulations to increase the availability of unspecified hypotheses were investigated. One involved explicitly requesting subjects to populate the unspecified set; the other was a computer presentation of candidate unspecified hypotheses. Results of experiment 1 were that assessment overconfidence for both experimental groups was reduced. The results support the conjecture that the availability heuristic is at least partially responsible for subjects' overconfidence. The main result of experiment 2 was that the overconfidence bias persisted with different assessment methods for both subject-generated and experimenter-supplied hypotheses. 相似文献