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371.
Although recent meta-analytic studies have investigated the validity of the Big Five domains of personality by classifying pre-existing personality measures into the five dimensions, published validity studies incorporating explicit measures of the five broad traits are rare. This concurrent validity study examines relationships between direct measures of Big Five traits and job performance for a sample of 105 service workers. Analyses specifically examine relationships between three personality dimensions and factorally independent domains of service performance. Both conscientiousness and extraversion are found to correlate with specific performance dimensions. Contrary to our expectation, the extraversion-performance relationship is, however, negative. 相似文献
372.
Greg A. R. Febbraro George A. Clum 《Journal of psychopathology and behavioral assessment》1995,17(4):335-351
The present study investigated whether situational and cognitive dimensions of claustrophobia exist. To this end, the Claustrophobia Situations Questionnaire (CSQ) and the Claustrophobia General Cognitions Questionnaire (CGCQ) were developed and exploratory factor analyses were performed on these scales. Two-factor solutions for both the anxiety and the avoidance ratings on the CSQ were obtained, accounting for 40.1% and 34.2% of the variance, respectively. Two subscales were created from the two-factor solution of the anxiety section of the CSQ: (1) Fear of Entrapment and (2) Fear of Physical Confinement. Two subscales were also created from the two-factor solution of the avoidance section of the CSQ: (1) Avoidance of Crowds and (2) Avoidance of Physical Confinement. A three-factor solution was obtained for the CGCQ, accounting for 54.4% of the variance, from which the following three subscales were created: (1) Fear of Loss of Control, (2) Fear of Suffocation, and (3) Fear of Inability to Escape. Cronbach alphas for all subscales ranged from .84 to .94. Exploratory correlational analyses were conducted between the situational and the cognitive dimensions. 相似文献
373.
In an exogenous cueing task repeating a non-spatial feature can benefit performance if the feature is task-relevant to a discrimination response. Previous studies reporting this effect have used complex displays. In the current study, we look at the generalizability of this effect, by extending it to a simple exogenous cueing paradigm in which the cue and target displays each consist of single-object onsets. We also investigate the influence of task-relevant and irrelevant features independently within the same experiment. Consistent with previous studies, we find non-spatial feature repetition benefits in all three experiments. Importantly, and unlike previous studies, we find that the most salient, rather than the task-relevant, feature drives the non-spatial feature repetition benefit. Furthermore, in addition to the previously observed non-spatial feature repetition benefits, we also found a spatially specific feature repetition benefit. We argue that these new findings are consistent with habituation accounts of attentional cueing effects. 相似文献
374.
The action effect refers to the finding that faster response times are found when a previously responded to stimulus contains a target item than when it serves as a distracting item in a visual search. The action effect has proven robust to a number of perceptual and attentional manipulations, but the mechanisms underlying it remain unclear. In the current study, we present two experiments investigating a possible underlying mechanism of the action effect; that responding to a stimulus increases its attentional weight causing the system to prioritize it in the visual search. In Experiment 1, we presented the search stimulus in isolation and found no evidence of an action effect. Thus, when there was no requirement for prioritization, there was no action effect. In Experiment 2, we tested whether stimulus-based priming (rather than the action) can account for the observed validity effects. We found no evidence of a priming effect when there were never any actions. These findings are consistent with the biased competition hypothesis and provide a framework for explaining the action effect while also ruling out other potential explanations such as event file updating. 相似文献
375.
In contrast to recent experimental studies that have sought to establish the infant's ability to imitate, the goal of the current study was to establish the actual performance of imitation by infants and their mothers during episodes of face-to-face play. Three-min play episodes of 20 mothers and their 13- to 16-week-old infants were videotaped. Instances of mouth openings, lip movements, tongue protrusions, smiling, and vocalizations by both partners were coded. Sequential analyses revealed stochastic patterns of imitation by both interactants. Mothers contingently imitated initiations by their infants and were more likely to make like initiations during action in the same category by their infants. Infants did not show onset-to-onset imitation but did show an increased likelihood to initiate actions when their mothers were engaged in a like action. That imitation by the mother is a pervasive characteristic of such interactions is consistent with earlier suggestions of its role in the acquisition of social and emotional skills. The results suggest that infants also display patterns of matching in early social interactions. 相似文献
376.
Auditory word comprehension was assessed in a series of 289 acute left hemisphere stroke patients. Participants decided whether an auditorily presented word matched a picture. On different trials, words were presented with a matching picture, a semantic foil, or a phonemic foil. Participants had significantly more trouble with semantic foils across all levels of impairment. 相似文献
377.
A neural network model of retrieval-induced forgetting 总被引:3,自引:0,他引:3
Retrieval-induced forgetting (RIF) refers to the finding that retrieving a memory can impair subsequent recall of related memories. Here, the authors present a new model of how the brain gives rise to RIF in both semantic and episodic memory. The core of the model is a recently developed neural network learning algorithm that leverages regular oscillations in feedback inhibition to strengthen weak parts of target memories and to weaken competing memories. The authors use the model to address several puzzling findings relating to RIF, including why retrieval practice leads to more forgetting than simply presenting the target item, how RIF is affected by the strength of competing memories and the strength of the target (to-be-retrieved) memory, and why RIF sometimes generalizes to independent cues and sometimes does not. For all of these questions, the authors show that the model can account for existing results, and they generate novel predictions regarding boundary conditions on these results. 相似文献
378.
We propose that the earliest neuropsychological detection of Alzheimer’s disease (AD) can be informed by current views about
the neuropathogenesis of AD and cognitive models of memory and its neurobiological substrates. The primary impairment in early
AD is encoding/consolidation, resulting from medial temporal lobe (MTL) pathology. On theoretical and empirical grounds, paired
associate learning (PAL) appears to be the ideal paradigm for detecting MTL dysfunction in early AD. It has not been embraced
as a test of choice, however, and this critical review discusses why the paradigm may have not fulfilled its potential. We
suggest that a new PAL variant, ‘associate-recognition’, may prove to be clinically efficacious. 相似文献
379.
Welsh TN Lyons J Weeks DJ Anson JG Chua R Mendoza J Elliott D 《Psychonomic bulletin & review》2007,14(5):950-956
Inhibition of return (IOR) has been shown to occur when an individual returns to a target location (within-person IOR) and
when an individual moves to a location just engaged by another individual (between-person IOR). Although within- and between-person
IOR likely result from the same inhibitory mechanisms, different processes must activate these mechanisms following the performance
and observation of action. Consistent with the suggestion that the mirror neuron system may be responsible for activating
the inhibitory mechanisms behind IOR on observation trials, between-person IOR was only detected under restricted viewing
conditions known to activate mirror neurons. These results indicate that mirror neuron system may be involved in both higher-order
and automatic cognitive behavior. 相似文献
380.