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991.
Kelemen WL Weinberg WB Alford HS Mulvey EK Kaeochinda KF 《Psychonomic bulletin & review》2006,13(6):1028-1032
Laboratory tests of event-based prospective memory (ProM) require participants to perform actions in response to infrequent
cues in a background task. We conducted three experiments to assess and improve the reliability of this popular procedure.
In Experiment 1, we tested college students on 2 separate days and found that the alternate-forms reliability of ProM accuracy
was quite low (r = .31), although general knowledge accuracy was more reliable (r= .89). In Experiment 2, a statistically significant difference in reliability emerged between conditions with a low (n = 6) versus a high (n = 30) number of ProM targets. Finally, lower ProM accuracy increased reliability in Experiment 3. Adopting these straightforward
changes may enhance the search for individual differences in ProM. 相似文献
992.
Explanations for left hemisphere language laterality have often focused on hemispheric structural asymmetry of the planum temporale. We examined the association between an index of language laterality and brain morphology in 99 normal adults whose degree of laterality was established using a functional MRI single-word comprehension task. The index of language laterality was derived from the difference in volume of activation between the left and right hemispheres. Planum temporale and brain volume measures were made using structural MRI scans, blind to the functional data. Although both planum temporale asymmetry (t(1,99) = 6.86, p < .001) and language laterality (t(1,99) = 15.26, p < .001) were significantly left hemisphere biased, there was not a significant association between these variables (r(99) = .01,ns). Brain volume, a control variable for the planum temporale analyses, was related to language laterality in a multiple regression (beta = -.30, t = -2.25, p < .05). Individuals with small brains were more likely to demonstrate strong left hemisphere language laterality. These results suggest that language laterality is a multidimensional construct with complex neurological origins. 相似文献
993.
Edward Truch 《Journal of Consumer Behaviour》2006,5(2):157-165
- The continuing growth of the knowledge‐based economy is driving the quest for better understanding of the intangible drivers of wealth creation. American and European models for linking customer satisfaction to corporate and national performance have been established and will continue to be tested and developed. One of the challenges of modelling consumer behaviour is the effect of changing lifestyles. This paper describes a study of UK shoppers which explores the influence of lean consumption, the degree to which the shopping and post‐purchase experience is hassle free and timely, on the warmth of consumers' feelings towards the brand. The study operationalises the construct of lean consumption and finds that it is indeed a significant driver of brand warmth. This leads to clear implications for manufacturers and retailers and the ways in which they innovate and develop their products and services.
994.
995.
There is ample evidence that an independent processing stream exists that subserves the perception and appreciation of colour. Neurophysiological research has identified separate brain mechanisms for the processing of wavelength and colour, and neuropsychological studies have revealed selective colour disorders, such as achromatopsia, colour agnosia, and colour anomia. The aim of the present study is to investigate whether the perception of colour may, despite its independent processing, influence other cognitive functions. Specifically, we investigate the possibility that the perception of a colour influences higher order processes such as the activation of semantically related concepts. We designed an associative priming task involving a colour prime (e.g. a red patch or the word RED) and a lexical decision response to a semantically related (‘tomato’ vs. ‘timato’) or unrelated (‘grass’ vs. ‘griss’) word target. The results of this experiment indicate that there is comparable facilitation of accessing colour-related semantics through the perception of a colour or the reading of a colour name. This suggests that colour has a direct effect on higher order level, cognitive processing. These results are discussed in terms of current models of colour processing. 相似文献
996.
997.
Prediction of treatment outcome among patients with irritable bowel syndrome treated with group cognitive therapy 总被引:1,自引:0,他引:1
Blanchard EB Lackner JM Gusmano R Gudleski GD Sanders K Keefer L Krasner S 《Behaviour research and therapy》2006,44(3):317-337
Using a sample of over 125 patients with irritable bowel syndrome (IBS) who were treated with cognitive therapy administered in small groups, we sought to predict end of treatment and 3-month follow-up improvement in two changes indices of gastrointestinal (GI) symptoms (Pain/Discomfort Index which assessed change in abdominal pain, abdominal tenderness and bloating and Bowel Regularity Index which assessed change in diarrhea and constipation). We also sought to predict scores on IBS specific quality of life (QOL) and overall level of psychological distress using the Global Severity Index (GSI) of the Brief Symptom Inventory (BSI). Significant, but modest, levels of prediction were found for prediction of improvement in GI symptoms (4-15% of variance). Stronger significant prediction was obtained for the QOL and global psychological distress measure with R(2)'s ranging from 0.36 to 0.50. A wide variety of demographic, GI symptom, psychological status and psychiatric status variables entered the final prediction equations. 相似文献
998.
This study explored whether a relationship exists between anger among Black adolescents that has been provoked by racial discrimination, and alcohol consumption. Participants consisted of 134 Black adolescents from 14 to 18 years of age, residing in northeast Texas. All participants were administered a questionnaire measuring whether and the extent to which they might be dependent upon alcohol, a background information questionnaire which included questions about their drinking pattern, and a measure designed to assess the extent to which they feel angry either because they had been discriminated against or observed other Blacks being discriminated against or observed other Blacks being discriminated against in various situations. Only gender was found to be predictive of scores on the dependency scale. However gender, age, and racial discrimination anger scores were found to be predictive of the amount of alcohol consumed by the participants. Some implications for theory, research, and intervention are suggested. 相似文献
999.
Four pigeons discriminated whether a target spot appeared on a colored figural shape or on a differently colored background by first pecking the target and then reporting its location: on the figure or the background. We recorded three dependent variables: target detection time, choice response time, and choice accuracy. The birds were faster to detect the target, to report its location, and to learn the correct response on figure trials than on background trials. Later tests suggested that the pigeons might have attended to the figural region as a whole rather than using local properties in performing the figure-background discrimination. The location of the figural region did not affect figure-ground assignment. Finally, when 4 other pigeons had to detect and peck the target without making a choice report, no figural advantage emerged in target detection time, suggesting that the birds' attention may not have been automatically summoned to the figural region. 相似文献
1000.
Symmetry groups-rules that connect different configurations of a given set of components-represent a compact means of coding for effects, a feature that is desirable in both model- and theory-building. The present study was designed to compare the effects of spatial orientation differences with the various other asymmetries (e.g., timing differences, handedness preferences, the direction of attention) that are accommodated by current models of bimanual coordination. The authors used symmetry groups to predict specific patterns of results. In 2 experiments, participants (N = 13, Experiment 1; N = 9, Experiment 2) coordinated the movements of differently oriented (1 downward and 1 upward) pendulum pairs at a low (0.62 Hz) or high (0.82 Hz) movement frequency to establish an in-phase or antiphase pattern. Consistent with previous results (P. G. Amazeen, E. L. Amazeen, & M. T. Turvey, 1998a), the downward-oriented pendulum tended to lead slightly. In contrast to the effects of other bimanual asymmetries, the downward-oriented pendulum lead was amplified at low frequencies. Although the results contradicted the predictions of existing models of bimanual coordination, they were consistent with predictions from symmetry group theory. In the discussion, the authors focus on the application of symmetry groups to both bimanual coordination and other phenomena with more complex symmetric structures. 相似文献