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171.
Cho YS Proctor RW 《Journal of experimental psychology. Human perception and performance》2001,27(2):472-484
When up and down stimuli are mapped to left and right keypresses or "left" and "right" vocalizations in a 2-choice reaction task, performance is often better with the up-right/down-left mapping than with the opposite mapping. This study investigated whether performance is influenced by the type of initiating action. In all, 4 experiments showed the up-right/down-left advantage to be reduced when the participant's initiating action was a left response compared with when it was a right response. This reduction occurred when the initiating action and response were both keypresses, both were spoken location names, and one was a spoken location name and the other a keypress. The results are consistent with the view that the up-right/down-left advantage is due to asymmetry in coding the alternatives on each dimension, and a distinction between categorical and coordinate spatial codes seems to provide the best explanation of the advantage. 相似文献
172.
The relationships between administrative actions and their long-term consequences were investigated in 14 people beginning training to become high-level college and university administrators, 19 people who had just finished that training, and 44 provosts (chief academic officers) at colleges and universities in the northeastern United States. The experienced administrators (those who had completed the training plus the provosts) were significantly more likely than the trainees to mention long-term consequences when describing their past and possible future administrative actions. However, in hypothetical choice situations, the experienced administrators were also significantly more likely than the trainees to choose smaller amounts of funds available immediately for their units versus larger amounts of promised future funds. With experience, administrators may both become more aware of their actions' long-term consequences and learn that they are unlikely to receive promised future funds. The contingencies in effect for higher-education administrators may lead them to make choices that do not result in their institutions meeting the highest standards. 相似文献
173.
Why do people sometimes seem to know things but fail to act appropriately on the basis of this knowledge? Such dissociations between knowledge and action often occur in infants and children, and in adults following brain damage. These dissociations have supported inferences about the organization of cognitive processes (e.g., separable knowledge and action systems) and their development (e.g., knowledge systems develop before action systems). The current study tested the basis for knowledge-action dissociations in a card-sorting task in which children typically correctly answer questions about sorting rules while sorting cards incorrectly. When questions and sorting measures were more closely equated for the amount of conflict that needed to be resolved for a correct response, children showed no systematic dissociation between knowledge and action. The results challenge standard interpretations of knowledge-action dissociations and support an alternative account based on graded knowledge representations. 相似文献
174.
Y Levy 《Developmental psychology》1999,35(3):822-834
This article examines 2-3-year-olds' responses to specific (e.g., "Where did he go?") and neutral (e.g., "What?") requests for clarification. The focus is on children's ability to locate the linguistic errors that provoked neutral questions of clarification and their success in providing appropriate repair. It is argued that this behavior provides evidence for a speech monitor that detects errors and enables repair. Contrary to A. Karmiloff-Smith's (1992) claim, control over the production and comprehension of specific structures does not necessarily precede monitoring. Rather, metalinguistic abilities that are implicated in speech monitoring develop simultaneously with the acquisition of primary linguistic behavior and do not require awareness. It is claimed that such metaprocesses are fundamental to the use of language as a vehicle for the expression of intentional content. 相似文献
175.
This article is based on accumulated clinical experience in Israel with families that emigrated from the former Soviet Union. It describes a culturally sensitive systemic intervention with two such families: a single-parent family, and a family that exhibited physical violence. Relevant cultural characteristics of family patterns and parent-child relationships in Jewish-Soviet families are reviewed. It is demonstrated how a cross-cultural perspective may affect the interpretation of presented problems and result in a less pathological perspective. It is further illustrated how universal intervention techniques combined with culturally sensitive approaches may produce positive effects in therapy. 相似文献
176.
Z Y Chen 《Psychological reports》1999,84(2):501-516
This study has conducted an ethnic comparison on the strength of the association between Individuation, a subscale from the Emotional Autonomy construct presented originally by Steinberg and Silverberg in 1986, and adolescent outcomes in terms of self-esteem and susceptibility to negative peer pressure. Consistent with what was expected, the association between Individuation and lowered self-esteem was more salient among 287 Asian-American adolescent boys than among 1,353 Euro-American adolescent boys. Contrary to what was hypothesized, the association between Individuation and susceptibility to negative peer pressure was more pronounced among 1,573 Euro-American adolescent girls than among 292 Asian-American adolescent girls. 相似文献
177.
This study examined personality characteristics of Mexican-American male batterers. 60 Mexican-American male batterers (M = 33.6 yr.) in the court system in South Texas took the MCMI-III and their MCMI-III scores were compared with the scores of a community sample of 45 Mexican-American individuals (M = 30.4 yr.). The batterers frequently scored higher than the nonbatterers on the Avoidant and Passive-Aggressive scales, while nonbatterers frequently scored higher on the Histrionic scale. The batterers scored significantly higher on 18 out of 24 MCMI-III scales, while nonbatterers scored significantly higher on two scales. 相似文献
178.
S Grondin Y Guiard R B Ivry S Koren 《Journal of experimental psychology. Human perception and performance》1999,25(3):747-754
Asymmetrical hand function was examined in the context of expert sports performance: hitting in professional baseball. An archival study was conducted to examine the batting performance of all Major League Baseball players from 1871 to 1992, focusing on those who batted left (n = 1,059) to neutralize the game asymmetry. Among them, left-handers (n = 421) were more likely to hit with power and to strike out than right-handers (n = 638). One possible account, based on the idea of hand dominance and an analogy to tennis, is that batting left involves a double-handed forehand for left-handers and a weaker and more reliable double-handed backhand for right-handers. The results are also interpretable in the light of Y. Guiard's (1987) kinematic chain model of a between-hands asymmetrical division of labor, which provides a detailed account of why left batting is optimal for left-handers. 相似文献
179.
The critical role of group studies in neuropsychology: comprehension regularities in Broca's aphasia
We reexamine the empirical record of the comprehension abilities of Broca's aphasic patients. We establish clear, commonly accepted, selection criteria and obtain a pool of results. We then subject these results to a detailed statistical analysis and show that these patients comprehend certain canonical sentences (actives, subject relatives, and clefts with agentive predicates) at above-chance levels, whereas comprehension of sentences that contain deviations from canonicity (passives, object-gap relatives, and clefts) is distinct and is at chance. That the latter is the case, and patients indeed guess at such structures, we show by comparing the distribution of individual results in passive comprehension to that of a model for such guessing-an analogous series of tosses of an unbiased coin. The two distributions are virtually identical. We conclude that the group's performance is stable, and well-delineated, despite intersubject variation whose source is now identified. This means that certain comprehension tests may not always be used for the diagnosis of individual patients, but they do characterize the group. It also means that group studies are not just a valid option in neuropsychology; they are a must, since demonstrations like ours indiciate very clearly that single-case studies may be misleading. As we show, the findings from any one patient, without the context of a group, may give a distorted picture of the pathological reality. Our conclusions thus promote studies of groups of brain-damaged patients as a central tool for the investigation of brain/behavior relations. 相似文献
180.
Verbal and spatial span, articulation and tapping rate, and verbal and spatial speed-of-search tasks were administered to sixty 6- to 12-year-olds. A variance-partitioning procedure was then used to identify age-related and age-invariant components of variance in span. Outcomes were very similar for verbal and spatial span, in particular, (i) most of the age-related variance was shared by the speed-of-search and rate predictors, (ii) articulation rate provided an age-independent contribution, (iii) changing-state versions of predictor tasks did not account for variance over steady-state versions, and (iv) predictors of the same modality as the span task did not outperform predictors of the other modality. We conclude that verbal and spatial short-term memory appear to rely on similar processes when serial recall is required and that developments in span are closely tied to increases in processing speed. 相似文献