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131.
132.
The present study examined strategic factors in a semantic-priming, lexical-decision task. The first experiment demonstrated that the greater the proportion of related word-word pairs to unrelated word-word pairs, the greater the amount of facilitation, a result which is consistent with others reported in the literature. The second experiment demonstrated that this strategic factor apparently requires that sufficient time (at least several hundred milliseconds) be available for the processing of the priming word, and thus is probably caused by attention-driven processes. The third experiment replicated and extended the results of the first two studies by demonstrating that prime-target stimulus onset asynchrony is an important limiting factor in determining whether such proportion-induced strategic factors are involved in word-recognition processes, even when no other aspect or variable of the procedure changes. The results are discussed in the context of Posner and Snyder’s (1975a) two-process model of word recognition. 相似文献
133.
G. M. van der Molen M. A. van den Hout R. Halfens 《Journal of psychopathology and behavioral assessment》1988,10(3):269-275
This study investigated whether external locus of control, as measured with the Rotter Internal-External Locus of Control Scale, is a specific feature of agoraphobia or whether it characterizes neurosis in general. Forty agoraphobic patients, 81 nonagoraphobic neurotic controls, and 49 normal controls completed the Dutch version of the Rotter Internal-External Locus of Control Scale. Agoraphobic patients were found to have a more external orientation as compared to the normal controls, but as a group, they could not be identified as being different from neurotic controls.This study was supported in part by a grant from the Dutch Organization for Fundamental Research (ZWO/Psychon 560-268-001). 相似文献
134.
Harald Merckelbach Marcel A. van den Hout Rense Hoekstra Patricia Van Oppen 《Behaviour research and therapy》1988,26(6):527-530
In order to investigate the relationship between the extent to which clinical fears are prepared and clinically relevant characteristics of these fears (i.e. severity, age of onset and treatment outcome). the records of 63 obsessional and phobic patients were examined. Four independent raters scored the usable records (N = 55) on preparedness. The preparedness scores were combined and related to objective indices of severity (patients' scores on the Fear Survey Schedule, the Zung Depression Scale and the Maudsley Obsessional-Compulsive Inventory, as well as the treatment duration), onset ages and treatment outcomes (pre-treatment minus post-treatment MOCI scores, for a subsample of obsessional patients only). In contrast to earlier studies, it was found that product-moment correlations among preparedness ratings were relatively low and that prepared fears did not make up a majority in the sample. Indices of severity either did not correlate at all or correlated negatively with preparedness ratings. The positive correlation between preparedness and onset ages reached borderline significance. Evidence suggestive of a resistance to treatment of prepared fears was obtained. 相似文献
135.
Two kinds of measures of multivariate association, based on Wilks' and the Bartlett-Nanda-Pillai trace criterionV, respectively, are compared in terms of properties of the univariateR
2 which they generalize. A unified set of derivations of the properties is provided which are self-contained and not restricted to decompositions in canonical variates. One conclusion is that asymmetric index based on allows generalization of the multiplicative decomposition ofR
2 in terms of squared partial correlations, but not the additive decomposition in terms of squared semipartial correlations, while the reverse is true for anasymmetric index based onV.We are indebted to Jos M. F. ten Berge for some fruitful discussions. 相似文献
136.
Psychophysiological and subjective reactions of social phobics and normals to facial stimuli 总被引:2,自引:0,他引:2
H Merckelbach W van Hout M A van den Hout P P Mersch 《Behaviour research and therapy》1989,27(3):289-294
Nine social phobics and 9 normal control subjects were exposed to slides of angry faces, happy faces, and neutral objects (i.e. flowers or mushrooms). Skin conductance responses (SCRs) to the stimuli and eyeblink rate (EBR) during stimulus exposure were recorded. In addition, subjects were asked to rate the stimuli in terms of pleasantness. While angry face stimuli elicited greater SCRs, stronger inhibition of EBR, and were evaluated more negatively than the other stimuli, there were no differences between social phobics and normals in these respects. Thus, the findings lend no support to the idea that social phobics are particularly sensitive to facial cues in general or to negative facial cues in particular. 相似文献
137.
Several observations are reported which conflict with predictions derived from a recent theory of illusions presented by Chiang. It was concluded that Chiang’s analysis of the processes underlying contour formation is inadequate to explain a number of illusions such as the Poggendorff and the Muller-Lyer. 相似文献
138.
Becker’s (1980) verification model, in conjunction with a two-strategy hypothesis, is cited as an alternative to a dual-process model (e.g., Posner & Snyder, 1975) of word recognition and semantic priming. Becket’s approach suggests that individuals can use either an “expectancy” or a “prediction” strategy in word recognition, and maintains that the verification model successfully predicts certain patterns of facilitation and inhibition in a semantic priming task that a dual-process model cannot. The present study demonstrated that when a long stimulus-onset asynchrony (SOA = 1,000 msec) is used between prime and target, support is given to Becker’s findings, and to the verification model approach. However, at a short SOA (200 msec), no evidence is found for the hypothesized difference between strategic processes. The results are consistent with other findings (e.g., Neely, 1977) in showing that strategic factors in semantic priming are largely inoperative at short prime-target SOAs, and suggests that Becker’s model is not general enough to rule out some type of dual-process model. 相似文献
139.
Govert den Hartogh 《Journal of applied philosophy》2014,31(1):91-103
When the decision has been made to stop treatment of a newborn child with a bad prognosis, the child usually dies in a short time. Sometimes, however, gasping occurs, and although it is usually thought that this is not a sign of suffering, the parents can hardly fail to interpret it as such. Could that be a reason to administer muscle relaxants to the child? It would not harm the child and may greatly benefit the parents. So it seems the humane thing to do. Legally, however, the action would count as killing, and the prohibition of killing normally implies a denial of the authority to decide on exceptions, which should be understood as a protection of public trust. I discuss three ways of arguing why the law, nevertheless, should allow for an exception in this case. The discussion identifies and describes this kind of conflict, and shows how to evaluate proposals for solving it, using a particularly clear exemplary case by way of illustration. 相似文献
140.