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861.
The purpose of this research was to test the hypothesis that the relative involvement of peripheral versus central nervous system activity during response variations determines the locus of error production in a subsequent criterion response. The hypothesis was tested by comparing ipsilateral and contralateral transfer of a criterion response following response variations that emphasized proportionately different involvement of the peripheral and central systems. When subjects were provided with knowledge of results (KR) to maintain a 30% maximum voluntary contraction (MVC), ipsilateral but not contralateral bias errors occurred on a subsequent dynamic response. When subjects maintained a 30% MVC without KR, however, subsequent ipsilateral bias errors were greater than contralateral bias errors. Finally, when subjects imaged a 30% MVC, subsequent bias errors were equivalent across limbs. These results are interpreted as support for the hypothesis. 相似文献
862.
Sarah A. Stoddard Lauren Whiteside Marc A. Zimmerman Rebecca M. Cunningham Stephen T. Chermack Maureen A. Walton 《American journal of community psychology》2013,51(1-2):57-65
Resiliency theory posits that some youth exposed to risk factors do not develop negative behaviors due to the influence of promotive factors. This study examines the effects of cumulative risk and promotive factors on adolescent violent behavior and tests two models of resilience—the compensatory model and the protective model—in a sample of adolescent patients (14–18 years old; n = 726) presenting to an urban emergency department who report violent behavior. Cumulative measures of risk and promotive factors consist of individual characteristics and peer, family, and community influences. Hierarchical multiple regression was used to test the two models of resilience (using cumulative measures of risk and promotive factors) for violent behavior within a sample of youth reporting violent behavior. Higher cumulative risk was associated with higher levels of violent behavior. Higher levels of promotive factors were associated with lower levels of violent behavior and moderated the association between risk and violent behaviors. Our results support the risk-protective model of resiliency and suggest that promotive factors can help reduce the burden of cumulative risk for youth violence. 相似文献
863.
Teenage girls in age-discordant relationships remain of concern for healthy development and well-being. We examine whether factors from several sociological frameworks—self-esteem, deviance, social ecology, family cohesion, and religious involvement—predict entry into such relationships. With longitudinal data on 1,537 adolescent girls, we use structural equation modeling to assess risk and protective factors by age group. Results indicate that few social factors predict entry to such relationships; only religious involvement for the youngest adolescents and self-esteem for middle adolescents predict entry. While adolescent girls who date older males are largely like their peers, any impact of social factors may vary by the developmental stage that adolescent girls occupy. 相似文献
864.
The present paper examines the incidence of deviant messages and images in one of the most widely used modes of interpersonal communication, i.e., birthday cards. The sample consists of 535 birthday cards randomly selected from fourteen retail outlets in a metropolitan (SMSA) area. Each outlet represented a geographically distinct high‐traffic area varying in type of establishment (discount, drug, dime, department, grocery and card stores) and socioeconomic level of the community. Both the incidence and type of deviance, the characteristics of cards in which deviance is represented, and the characteristics of the sender/receiver population are discussed within the context of Goffman's concept of ceremonial activity. 相似文献
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867.
Development in reading and math in children from different SES backgrounds: the moderating role of child temperament
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Zhe Wang Brooke Soden Kirby Deater‐Deckard Sarah L. Lukowski Victoria J. Schenker Erik G. Willcutt Lee A. Thompson Stephen A. Petrill 《Developmental science》2017,20(3)
Socioeconomic risks (SES risks) are robust risk factors influencing children's academic development. However, it is unclear whether the effects of SES on academic development operate universally in all children equally or whether they vary differentially in children with particular characteristics. The current study aimed to explore children's temperament as protective or risk factors that potentially moderate the associations between SES risks and academic development. Specifically, latent growth modeling (LGM) was used in two longitudinal datasets with a total of 2236 children to examine how family SES risks and children's temperament interactively predicted the development of reading and math from middle childhood to early adolescence. Results showed that low negative affect, high effortful control, and low surgency mitigated the negative associations between SES risks and both reading and math development in this developmental period. These findings underline the heterogeneous nature of the negative associations between SES risks and academic development and highlight the importance of the interplay between biological and social factors on individual differences in development. 相似文献
868.
Recent studies focusing on the interspecific communicative interactions between humans and dogs show that owners use a special speech register when addressing their dog. This register, called pet-directed speech (PDS), has prosodic and syntactic features similar to that of infant-directed speech (IDS). While IDS prosody is known to vary according to the context of the communication with babies, we still know little about the way owners adjust acoustic and verbal PDS features according to the type of interaction with their dog. The aim of the study was therefore to explore whether the characteristics of women’s speech depend on the nature of interaction with their dog. We recorded 34 adult women interacting with their dog in four conditions: before a brief separation, after reuniting, during play and while giving commands. Our results show that before separation women used a low pitch, few modulations, high intensity variations and very few affective sentences. In contrast, the reunion interactions were characterized by a very high pitch, few imperatives and a high frequency of affectionate nicknames. During play, women used mainly questions and attention-getting devices. Finally when commanding, women mainly used imperatives as well as attention-getting devices. Thus, like mothers using IDS, female owners adapt the verbal as well as the non-verbal characteristics of their PDS to the nature of the interaction with their dog, suggesting that the intended function of these vocal utterances remains to provide dogs with information about their intentions and emotions. 相似文献
869.
Melissa Zeligman Jennifer H. Greene Gulnora Hundley Joseph M. Graham Jr. Sarah Spann Erin Bickley Zachary Bloom 《Adultspan: Theory Research & Practice》2017,16(2):65-79
Dissociative disorders affect 29% of the clinical population, with women diagnosed 9 times more often than men. For this study, the authors used a phenomenological approach to uncover experiences of 5 men with dissociative identity disorder. Findings revealed 5 themes: history, alters, male gender expectations and identity, challenges, and strengths and support. Implications for practitioners are discussed. 相似文献