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511.
The current study examined the association between central adiposity, measured by waist circumference, and cardiovascular reactivity to stress among 106 White and 105 Black adolescents, approximately 50% of whom were girls. Participants engaged in 4 laboratory tasks while cardiovascular reactivity measures were taken. Independent of body mass index, race, and gender, participants with a greater waist circumference exhibited greater systolic blood pressure reactivity and diastolic blood pressure reactivity (boys only). Race did not affect the results. Results from the present study suggest that central adiposity is associated with blood pressure reactivity early in life, especially in adolescent boys.  相似文献   
512.
Performance management is integral for high-performing organizations and teams. The purpose of this review was to synthesize evidence on performance management across elite sport and other performance-focused domains (business, performing arts, high-risk professions). A systematic search and screening strategy was undertaken. Twenty studies satisfied the inclusion criteria. Thematic synthesis enabled the identification of key components of performance management. Similarities and differences between elite sport and other domains are identified across the following themes: strategic performance management, operational performance management, individual performance management, and leadership of the performance team. Implications for practitioners in elite sport are also considered across these themes.  相似文献   
513.
Patterson and Morton (1985) proposed a model for the skilled reading of words and non-words that accommodates two non-lexical routines. One is the grapheme-to-phoneme correspondence system which utilizes the regularity of letter to sound correspondences for single letters and digraphs. The other is a system of “bodies”--the vowel and terminal letters of a monomorphemic, monosyllabic word. The idea of the body segment, as Patterson and Morton use it, is to capture consistency effects in reading aloud--that is, the fact that the spelling-sound pattern of words with similar written endings to the target affects the speed and accuracy of its reading.

In this study consistency and regularity are examined as separate factors in children's reading, by devising stimuli in accordance with the different types of three-letter ending that are proposed within the body sub-system.

A group of 87 children aged seven to nine (reading age range: 6;6 to 13;7) was sub-divided according to reading ability and given words and non-words to read aloud. In all the children, performance was affected by body type for both words and non-words, but the better readers were most affected. The implications of these results for a radical distributed model of reading acquisition (Seidenberg & McClelland, 1989) are considered.  相似文献   
514.
The current study compared cardiovascular risk profiles and trajectories (i.e., within-person changes) of women who were married or cohabitating and who had high relationship satisfaction with those of women with moderate or low satisfaction and with those of women who were single, divorced, and widowed. Participants were 493 women from the Healthy Women Study, a prospective investigation of health during and after the menopausal transition. Risk factors were measured across more than 5 occasions and 13 years, on average. Data were analyzed using a multilevel modeling technique. Overall, women in relationships with high satisfaction had lower levels of biological, lifestyle, and psychosocial risk factors when compared with the other groups. In some cases, women in satisfying marriages also showed a lower risk trajectory on risk factors relative to other women. Hence, marriage appears to confer health benefits for women, but only when marital satisfaction is high.  相似文献   
515.
The current study examined cardiovascular risk factors and carotid atherosclerosis in 362 women (ages 42-50 years) who were working in clerical, blue-collar, or white-collar jobs or who were not employed. Risk factors were measured premenopausally and ultrasound measures of carotid atherosclerosis were obtained approximately 11 years later. Clerical and blue-collar workers had more atherogenic profiles on physical, behavioral, and psychosocial risk factors when compared with white-collar and nonemployed women. Clerical workers had greater carotid intima-media thickness relative to all other groups and more focal plaque when compared with white-collar workers. Risk factors and workplace characteristics did not account for the greater carotid atherosclerosis observed in clerical workers. Further research is needed to investigate why clerical work may increase cardiovascular risk.  相似文献   
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Three experiments examined both the impact of semantic analysis of 50-msec, masked visual primes on a target response and the impact of semantic analysis of the target on a prime response. The first two experiments used a prime-target interval of 1000 msec. In Experiment 1, subjects reported the identity of each prime: (a) after a lexical decision about the target, (b) both before and after a lexical decision, or (c) after a target detection response. Prime report after both types of target response showed retroactive priming in which report was facilitated by related targets and inhibited by unrelated targets. Analyses of lexical decision latency and accuracy conditionalized on prime report showed that semantic priming was restricted to reported related primes. In Experiment 2, subjects made no overt response to the primes. Priming was conditionalized on recognition of the primes on a subsequent test. The pattern was the same as Experiment 1: There was priming only for recognized primes; recognition memory showed a pattern consistent with retroactive priming. Experiment 3 also conditionalized priming on recognition performance but used a prime-target interval of only 250 msec. Again, semantic priming was found only for recognized primes, and recognition memory revealed retroactive priming. Retroactive priming indicates an interdependency between prime and target processing that needs to be incorporated into models of semantic priming.  相似文献   
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