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791.
The influence of word reading on Stroop color naming decreases as a function of the proportion of test items that are incongruent.
This proportion-congruent effect is usually ascribed to strategies (e.g., maintaining task set) that operate at a general
level to moderate the extent to which participants are influenced by word reading. However, in three experiments, effects
at the level of specific items were found. Interference and facilitation were smaller for color names usually presented in
an incongruent color than for color names usually presented in their congruent colors. This item-specific proportioncongruent
manipulation affected the process dissociation (PD) estimate of the influence of word-reading processes but not that of color-naming
processes. The results (1) indicate that item-specific, as opposed to general, mechanisms can reduce the influence of word-reading
processes on Stroop performance and (2) demonstrate the PD procedure’s utility in studying Stroop phenomena. 相似文献
792.
Jackie R. Clarke 《Journal of Consumer Behaviour》2006,5(6):533-549
- Gift giving theory has evolved around the giving and receiving of physical goods, yet experiences as gifts are increasingly important in modern Western economies. This research generating data from consumer informants focuses exclusively on experiences. The donor, recipient, occasion and gift, and the three gift giving process stages provide a synthesising framework for the findings. The concepts of donor sacrifice of time and effort, alongside gift surprise emerge as especially pertinent to experience gift giving, and notions of sharing, suspense and recipient sacrifice reinforce the proposition that experience gifts are deserving of researcher effort to better understand the phenomenon. Copyright © 2006 John Wiley & Sons, Ltd.
793.
A review of 19 studies suggests that it may be feasible to identify prisoners with suicide risk on the basis of demographic, psychiatric, and criminal characteristics. The present study aimed to identify combinations of characteristics that are capable of identifying potential suicide victims. Characteristics of 95 suicide victims in the Dutch prison system were compared with those of a random sample of 247 inmates in ten jails. Combinations of indicators for suicide risk were also tested for their capability of identifying 209 suicides in U.S. jails and 279 prison suicides in England and Wales. A combination of six characteristics (age 40+, homelessness, history of psychiatric care, history of drug abuse, one prior incarceration, violent offence) was capable of correctly classifying 82% of the Dutch suicide victims (82% specificity). Less powerful combinations correctly classified 53% of the U.S. suicides and 47% of the U.K. suicides. It is concluded that a set of demographic and criminal characteristics and indicators of psychiatric problems is useful for the identification of suicide risk in jails and prisons. 相似文献
794.
Serial position curves in short-term memory: functional equivalence across modalities 总被引:3,自引:0,他引:3
Four experiments investigated item and order memory for sequences of seen unfamiliar faces and heard nonwords. Experiments 1 and 3 found bowed serial position curves using the serial reconstruction test of order with faces and nonwords, respectively. Experiments 2 and 4 found limited recency, no primacy, and above chance performance on all items using a two-alternative forced choice (2AFC) test of item recognition, again with faces and nonwords. These results suggest that the different serial position curves typically found using traditional paradigms for exploring visual and verbal short-term memory are due to differences in the methods used rather than modality-specific mechanisms. 相似文献
795.
Given that social anxiety disorder is a common, chronic, debilitating disorder and socially anxious women appear to have different experiences related to social development and social support than men, it is essential that the gender differences in social anxiety and social support be understood. The present study examined perceived social support quantity and satisfaction in 23 women and 28 men seeking treatment for social anxiety disorder. Contrary to expectations, men and women did not differ on measures of social support. However, younger, unmarried women reported having smaller social support networks and less satisfaction with their social support networks than older, married women. Analyses of socially anxious men did not reveal such a pattern. The current study provides preliminary evidence that younger, single women have social support networks that are less satisfying than the social support networks of older, married women. Inclusion of social support modules within a cognitive behavioral treatment approach for social anxiety disorder may be warranted, particularly for young, unmarried women. 相似文献
796.
Postural control in otolith disorders 总被引:1,自引:0,他引:1
It was the aim of the present paper to investigate the influence of otolith disorders on human postural control by different methods. The 33 patients of our study had undergone a minor head injury and suffered subsequently from an utricular or sacculo-utricular disorder as evidenced by vestibular evoked myogenic potential recordings and eccentric rotation recordings of the otolith-ocular responses. Postural control was assessed by performing stance/gait tests (standard balance deficit test, SBDT) and by evaluating trunk sway (using angular velocity sensors). Moreover, classical tests of the posterior column of the spinal tract (Romberg/Unterberger) and the dynamic posturography (sensory organization test, SOT) were included. It could be shown that SBDT tasks with reduced proprioceptive and visual cues (e.g. standing on foam, eyes closed) are most sensitive for an otolith disorder. The patients showed an increased trunk sway in the pitch plane (i.e. linear motion as adequate utricular stimulus) and an increase in sway velocities (i.e. tilting movements as adequate saccular stimulus) compared to controls. The SOT was most sensitive for combined (sacculo-utricular) otolith disorders (78%) while vestibulospinal tests are not enough sensitive. In essence, otolith disorders evidently impair human postural control and have been possibly underestimated as a source of posttraumatic postural imbalance as yet. 相似文献
797.
Wichmann FA Sharpe LT Gegenfurtner KR 《Journal of experimental psychology. Learning, memory, and cognition》2002,28(3):509-520
The authors used a recognition memory paradigm to assess the influence of color information on visual memory for images of natural scenes. Subjects performed 5%-10% better for colored than for black-and-white images independent of exposure duration. Experiment 2 indicated little influence of contrast once the images were suprathreshold, and Experiment 3 revealed that performance worsened when images were presented in color and tested in black and white, or vice versa, leading to the conclusion that the surface property color is part of the memory representation. Experiments 4 and 5 exclude the possibility that the superior recognition memory for colored images results solely from attentional factors or saliency. Finally, the recognition memory advantage disappears for falsely colored images of natural scenes: The improvement in recognition memory depends on the color congruence of presented images with learned knowledge about the color gamut found within natural scenes. The results can be accounted for within a multiple memory systems framework. 相似文献
798.
Arnold MM Lindsay DS 《Journal of experimental psychology. Learning, memory, and cognition》2002,28(3):521-529
We developed a laboratory analogue of the "forgot-it-all-along" effect that J. W. Schooler, M. Bendiksen, and Z. Ambadar (1997) proposed for cases of "recovered memories" in which individuals had forgotten episodes of talking about the abuse when they were supposedly amnestic for it. In Experiment 1, participants studied homographs with disambiguating context words; in Test 1 they received studied- or other-context words as cues; and in Test 2 they received studied-context cues and judged whether they had recalled each item during Test 1. In Experiment 2, retrieval cues were manipulated on both tests. In Experiment 3, both the studied- and other-context cues corresponded to the same meaning of each homograph. In Experiment 4, Test 1 was free recall, and studied- versus other-context cues were presented in Test 2. Participants more often forgot that they had previously recalled an item if they were cued to think of it differently on the two tests. 相似文献
799.
Measurement of ground reaction forces with force plates permits quantification of the subtle changes in movement associated with a variety of pathophysiological states. The apparatus used here permits simultaneous recording of other spatial and temporal characteristics of gait. Since the mouse is becoming increasingly important for modeling human disorders, we have recorded ground reaction forces (P) in this species. To date, we have measured the vertical component (P z ) and found it to be similar to that of other species, in that a greaterP z is exerted via the forelimb, although the areas under the force/time curves, are not different. Different points of discontinuity are seen in the forelimb and hindlimb curves, indicating differential deployment.P z varies consistently with stance time and is consistent across the adult life of the mouse. It is suggested that the technique has potential for the study of a variety of mouse models of disease and of their therapies. 相似文献
800.