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191.
We examined relationships between drive for leanness and perceived media pressure to change appearance, internalization of an ideal physique, exercise frequency, and dieting. Men and women (N = 353) completed the Drive for Leanness Scale, the Sociocultural Attitudes Toward Appearance Questionnaire-3, the Eating Attitudes Test-26, and a demographic inventory. Drive for leanness was significantly correlated with athletic internalization (.52), pressure to attain an ideal physique (.25), exercise frequency (.36), and dieting (.25). Structural equation modeling revealed a good fitting model (χ2 = 2.85, p < .241; CFI = .99; NNFI = .98; RMSEA = .04; SRMR = .02) with internalization predicting drive for leanness, which in turn predicted dieting and exercise. Results reveal social/cultural theory helps enhance the understanding of the drive for leanness and its relationship with health-related behavior. 相似文献
192.
Reconciling conflicting electrophysiological findings on the guidance of attention by working memory
Maintaining a representation in working memory has been proposed to be sufficient for the execution of top-down attentional control. Two recent electrophysiological studies that recorded event-related potentials (ERPs) during similar paradigms have tested this proposal, but have reported contradictory findings. The goal of the present study was to reconcile these previous reports. To this end, we used the stimuli from one study (Kumar, Soto, & Humphreys, 2009) combined with the task manipulations from the other (Carlisle & Woodman, 2011b). We found that when an item matching a working memory representation was presented in a visual search array, we could use ERPs to quantify the size of the covert attention effect. When the working memory matches were consistently task-irrelevant, we observed a weak attentional bias to these items. However, when the same item indicated the location of the search target, we found that the covert attention effect was approximately four times larger. This shows that simply maintaining a representation in working memory is not equivalent to having a top-down attentional set for that item. Our findings indicate that high-level goals mediate the relationship between the contents of working memory and perceptual attention. 相似文献
193.
International Journal for Philosophy of Religion - 相似文献
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195.
Brandon K. Schmidt Edward K. Vogel Geoffrey F. Woodman Steven J. Luck 《Attention, perception & psychophysics》2002,64(5):754-763
Previous studies of attention-directing cues have focused largely on the effects of cuing on perceptual processes, but cuing may also influence the transfer of perceptual representations into visual working memory. In the present study, we examined this potential role of cues, using both predictive and nonpredictive cues in the context of a visual working memory task. Each trial began with a cue, followed by an array of six colored squares, a delay interval, and then a probe square presented at the location of one of the squares in the previous array. The subjects were required to indicate whether the color of the probe square was the same as the color of the square that had previously been presented at the same location. Performance on this working memory task was more accurate when the cued location was probed than when an uncued location was probed, even when the cued location was no more likely to be probed than any of the uncued locations. An additional experiment using the abrupt-onset paradigm of Yantis and Jonides (1984) yielded similar results. Thus, visual transients may automatically influence the transfer of perceptual representations into visual working memory. 相似文献
196.
Geoffrey Underwood Peter Chapman Zoë Berger David Crundall 《Transportation Research Part F: Traffic Psychology and Behaviour》2003,6(4):289-304
How does a driver’s perception of roadway events change with experience? A laboratory study addressed this question by comparing novice and experienced drivers as they watched video recordings taken from a moving vehicle. While watching the recordings, the drivers had their eye movements monitored. When the recording was paused, memory for immediately prior events was tested, and recall performance related to what the viewer had been inspecting. The recordings were taken from a vehicle as it travelled along a series of roads, and questions were asked about other road users and about roadway features. The experiment asked about the relationship between driving experience and attentional capture, and about the recall of events recently seen. What attracted attention were objects of central interest such as other road users appearing close to the camera, and moving objects. When the memory test was administered immediately after a hazardous event had occurred, such as a pedestrian stepping into the path of the camera vehicle, then there was evidence of attentional focussing and reduced availability of details about incidental objects. Recall performance generally reflected the pattern of eye fixations, but viewers did not always recall details about fixated objects, and were sometimes able to recall information about objects that were not fixated. Experienced drivers recalled more of the incidental events than the novices, but they were similar in their recall of central events. This supports the association between driving experience and the extent of the effective perceptual field. 相似文献
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198.
The ideal standards model predicts linear relationship among friendship standards, expectation fulfillment, and relationship satisfaction. Using a diary method, 197 participants reported on expectation fulfillment in interactions with one best, one close, and one casual friend (N = 591) over five days (2,388 interactions). Using multilevel modeling, our study found that hypothesized relationships were moderated by participant sex. For males, ideal standards had a curvilinear relationship with expectation fulfillment, where higher standards were associated with less fulfillment, but both expectation fulfillment and standards directly predicted satisfaction. For females, ideal standards linearly predicted expectation fulfillment, but an interaction between standards and fulfillment predicted satisfaction. Implications for the relationship between ideal standards and sex on friendship maintenance and satisfaction are discussed. 相似文献
199.
CONTEXT: Dominant models of individual health behavior omit biological variables entirely and are composed almost exclusively of social-cognitive and conative variables. Research from the neurosciences suggests a role for brain function in explaining behaviors that require active self-regulation for consistent performance. However, the association between brain function and health behavior is underexplored. OBJECTIVE: To examine the predictive power of executive function for 2 health risk behaviors and 2 health protective behaviors in healthy adults. DESIGN: A cross-sectional community sample (N = 216) of adults 20-100 years of age were administered a battery of neuropsychological tests and completed self-report questionnaires regarding their health practices. It was hypothesized that poor performance on neuropsychological tests tapping executive function would be associated with poor health behavior tendencies. RESULTS: Errors on the Stroop task were positively associated with health risk behavior and negatively associated with health protective behavior after controlling for demographics, education, and IQ. CONCLUSION: Executive function is associated with health behavior tendencies. If the association is causal, explanatory models of individual health behavior should be revised to account for individual differences in biologically imbued self-regulatory abilities. 相似文献
200.
The scales of the Self-Directed Search were correlated with the scales of the Armed Forces Vocational Aptitude Battery for a sample of 192 high school girls. The two devices have small to moderate correlations that indicate that self-reported abilities and competencies have some concurrent validity. 相似文献