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Dianne Neumark-Sztainer Melanie M Wall Mary Story Cheryl L Perry 《Health psychology》2003,22(1):88-98
This study aimed to identify correlates of unhealthy weight-control behaviors in adolescents to guide the development of programs aimed at the primary prevention of disordered eating. A model explaining unhealthy weight-control behaviors was tested among 4,746 adolescents using structural equation modeling. Models fit the data well and explained 76% of the variance in unhealthy weight-control behaviors among girls and 63% among boys. Weight-body concerns were a strong correlate of unhealthy weight-control behaviors in both girls and boys. Models also emphasized the importance of weight-specific social norms within the adolescent's proximal environment. Findings suggest the importance of addressing weight-body concerns within prevention programs and extending interventions beyond classroom settings to ensure changes in weight-related norms among peer groups and family members. 相似文献
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Three studies were conducted to develop and validate a theoretically derived multidimensional inventory of females' sexual self-conceptions ( sexual subjectivity ). Study 1 revealed five factors on the Female Sexual Subjectivity Inventory (FSSI): sexual body-esteem, three factors of conceptions and expectations of sexual desire and pleasure (self, partner, and self-efficacy), and sexual self-reflection. A shorter revised version of the FSSI was tested in Study 2. In Study 3, a confirmatory factor analysis indicated a good fit to the data. The FSSI had a sound factorial structure and high reliability. Significant associations between the five scales in the FSSI and sexual self-awareness, safe sex self-efficacy, and sexual anxiety provided evidence of validity. Some FSSI scales were also associated with self-silencing in close relationships, resistance to sexual double standards, and self-esteem. Sexual subjectivity is a complex intraindividual phenomenon that includes cognitive and emotional components, some of which can be assessed with the FSSI scales. 相似文献
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Axel Buchner Melanie C. Steffens 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2001,54(4):1125-1142
Two experiments are reported that demonstrate negative priming for auditory stimuli. Reaction times and temporal order judgements were used as the dependent measures in Experiments 1 and 2, respectively. In Experiment 1, participants classified tones presented to one ear as wind or string instruments while ignoring tones presented to the other ear. The task was identical for both the prime and the subsequent probe presentations. Probe reactions were slower for previously ignored tones than for tones that had not occurred during the prime presentation. Probe reactions to previously attended tones were faster than reactions to nonrepeated tones. In Experiment 2, the probe reactions were replaced by temporal order judgements. The probability of accepting a tone as antecedent was lower for previously ignored primes than for new tones. No difference was observed between previously attended and new tones. The results are compatible with the conclusion that distractor inhibition is a necessary component of the processes that bring about observable negative priming phenomena. 相似文献
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Susan J. Pickering Susan E. Gathercole Melanie Hall Simon A. Lloyd 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2001,54(2):397-420
Evidence from a number of sources now suggests that the visuo-spatial sketchpad (VSSP) of working memory may be composed of two subsystems: one for maintaining visual information and the other for spatial information. In this paper we present three experiments that examine this fractionation using a developmental approach. In Experiment 1, 5-, 8-, and 10-year old children were presented with a visuo-spatial working memory task (the matrices task) with two presentation formats (static and dynamic). A developmental dissociation in performance was found for the static and dynamic conditions of both tasks, suggesting that the activation of separable subsystems of the VSSP is dependent upon a static/dynamic distinction in information content rather than a visual/spatial one. A highly similar pattern of performance was found for a mazes task with static and dynamic formats. However, one strategic activity, the use of simple verbal recoding, may also have been responsible for the observed pattern of performance in the matrices task. In Experiments 2 and 3 this was investigated using concurrent articulatory suppression. No evidence to support this notion was found, and it is therefore proposed that static and dynamic visuo-spatial information is maintained in working memory by separable subcomponents of the VSSP. 相似文献
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