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281.
Children determined to be at risk (n = 24) or not at risk (n = 13) for reading difficulty listened to tokens from a voice onset time (VOT) (/ga/-/ka/) or tone series played in a continuous unbroken rhythm. Changes between tokens occurred at random intervals and children were asked to press a button as soon as they detected a change. For the VOT series, at-risk children were less sensitive than not-at-risk children to changes between tokens that crossed the phonetic boundary. Maps of group stimulus space produced using multidimensional scaling of reaction times for the VOT series indicated that at-risk children may attend less to the phonological information available in the speech stimuli and more to subtle acoustic differences between phonetically similar stimuli than not-at-risk children. Better phonological processing was associated with greater sensitivity to changes between VOT tokens that crossed the phonetic boundary and greater relative weighting of the phonological compared to the acoustic dimension across both groups. 相似文献
282.
Recently, Cestnick and Coltheart (Cognition 71 (1999) 231) have reported evidence of abnormal performance on the Ternus apparent motion task in dyslexics. We demonstrate that some aspects of their data may be accounted for by more frequent lapses of concentration in the dyslexic group than in controls. We then report on a study in which a modification of the Ternus procedure was employed to simplify the task and to control for the effects of inattention. The results suggest that dyslexics do genuinely differ from normal readers in their perceptual processing. 相似文献
283.
Tatiana Marci Francesca Lionetti Ughetta Moscardino Massimiliano Pastore Vincenzo Calvo Gianmarco Altoé 《European Journal of Developmental Psychology》2018,15(4):481-492
The Security Scale (SS) is a widely used questionnaire measuring attachment towards mother and father in school-aged children. Whilst existing evidence supports concurrent and discriminant validity of the SS, its factorial structure remains largely underexplored. The current study examined the factorial structure of the SS, explored its measurement invariance across mother and father, and evaluated its convergent validity with the Coping Strategies Questionnaire in a sample of 149 Italian children aged 8–10 years. In statistical analyses, we accounted for the ordinal nature of the data and adopted an ad hoc bootstrap procedure for the estimation of measurement invariance. Results supported the factorial validity of the SS and the structural invariance of its underlying construct across parents. Evidence for convergent validity was also found. Overall, the Italian version of the SS is a promising tool to assess attachment in school-aged children. 相似文献
284.
Tatiana Malevich Liubov Ardasheva Hannah M. Krüger W. Joseph MacInnes 《Attention, perception & psychophysics》2018,80(1):106-117
Cueing effects, i.e., early facilitation of reaction time and inhibition of return (IOR), are well-established and robust phenomena characterizing exogenous orienting and are widely observed in experiments with a traditional Posner cueing paradigm. Krüger, MacInnes, and Hunt (2014) proposed that facilitatory effects of peripheral cues are the result of a cue-target perceptual merging due to re-entrant visual processing. To test the role and timing of these feedback mechanisms in peripheral cueing effects, we modified the traditional cueing task in Experiments 1-3 by interleaving pre- and post-cue trials at the valid and invalid location and random cue-target onset asynchrony (CTOA) ranging from ?300 to +1,000 ms. Analysis of the manual reaction time distribution over CTOA showed well-pronounced IOR in the valid pre-cue condition and a small cost of perceptual merging in the post-cue condition, but no early facilitation of reaction time was observed in the pre-cue condition. In Experiment 4, we tested directly whether temporal ambiguity eliminated facilitation by restricting CTOAs to only the pre-cue time range and including a between-subject manipulation of a) random, b) mixed discrete, and c) blocked discrete CTOAs. Results obtained in the continuous and binned conditions showed no facilitation but robust IOR. We found both early facilitation and IOR in the blocked condition. Overall, the present findings show a small perceptual merging result without accompanying facilitation, suggesting different underlying mechanisms. Second, they demonstrate that early facilitation is likely to be affected by the presence or absence of temporal expectations and that the early onset of IOR might be masked by stronger facilitation in traditional cueing experiments. 相似文献
285.
Maria João Seabra-Santos Maria Filomena Gaspar Sofia O. Major Joshua Patras Andreia F. Azevedo Tatiana C. Homem Mariana Pimentel Elsa Baptista Sihu Klest Vera Vale 《Journal of child and family studies》2018,27(12):3909-3921
The literature provides solid documentation of the negative consequences of poor psychosocial functioning and behavioral problems in early childhood. Children facing economic disadvantage are at higher risk for poor socio-emotional development and problem behaviors, which draws attention to the need for prevention targeted at this risk group. The aim of our study was to analyze the impact of an evidence-based teacher-training program, the Incredible Years Teacher Classroom Management (IY-TCM), on the behavior of economically disadvantaged Portuguese children. Participants were 1030 children aged 3–6 years, from 65 preschool classrooms selected for their high percentage of children from economically disadvantaged backgrounds. The study followed an experimental randomized controlled between-group design, with pre- and post-intervention assessments. Teachers in the experimental group attended the IY-TCM program, implemented in six monthly workshops, and four sessions of individual in-class support. Children outcomes were evaluated with the Preschool and Kindergarten Behavior Scales—2nd Edition (Social Skills and Problem Behavior scales). After the intervention, preschoolers in the IY-TCM classrooms showed more improvements in their social skills and more decreases in problem behavior. Children with lower levels of social skills (high risk) at pre-intervention and those coming from families in economic need showed greater improvements in social skills, but these effects were not observed for problem behavior. Results support the growing evidence of the effectiveness of the IY-TCM as a stand-alone, non-adapted program in a Portuguese cultural context, which can play a protective role in children’s lives and thus bridge the gap between children coming from different economic backgrounds. 相似文献
286.
Cristina M. López Tatiana M. Davidson Angela D. Moreland 《Child & family behavior therapy》2018,40(1):26-39
The lack of culturally adapted parenting programs for Latinos contributes to low engagement in effective parenting programs. Criando a Nuestros Niños Hacio el Éxito (CANNE), a culturally adapted program, improves family dynamics by decreasing problematic child behavior and helping parents manage stress. CANNE was delivered with 12 Latino parents of children (age 3–7). Increased attendance and participation resulted in less child behavior problems and parenting stress from preintervention to postintervention. A culturally relevant adaptation of an evidence-based parenting program improved engagement, child behavioral outcomes, and parenting stress. Implications of mental health services in primary care facilities for Latino families are addressed. 相似文献
287.
288.
Reducing the Risk of Internalizing Symptoms among High‐risk Hispanic Youth through a Family Intervention: A Randomized Controlled Trial
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Tatiana Perrino Hilda Pantin Shi Huang Ahnalee Brincks C. Hendricks Brown Guillermo Prado 《Family process》2016,55(1):91-106
Familias Unidas is an intervention that has been found to be efficacious in preventing and reducing substance use, sexual risk, and problem behaviors among Hispanic youth. While it does not specifically target youth internalizing symptoms, the intervention works to strengthen parenting and family factors associated with reduced risk of internalizing symptoms (i.e., depression, anxiety symptoms). This study examines the effects of Familias Unidas on internalizing symptoms among high‐risk youth, as well as the role of family level factors in the intervention's effects. A total of 242 12–17‐year‐old Hispanic youth with a history of delinquency and their primary caregivers were recruited from the school and juvenile justice systems, and randomly assigned to the Familias Unidas intervention or community practice control. A linear latent growth model was used to examine intervention effects on the trajectory of adolescent internalizing symptoms from baseline to 6 and 12 months post‐baseline. Results show that the Familias Unidas intervention was more efficacious than control in reducing youth internalizing symptoms. Baseline youth externalizing and internalizing symptoms did not moderate the intervention's effects on the trajectory of youth internalizing symptoms. While parent – adolescent communication did not significantly moderate the intervention's effects, changes in parent – adolescent communication mediated the intervention's effects on internalizing symptoms, showing stronger intervention effects for youth starting with poorer communication. Findings indicate that the Familias Unidas intervention can reduce internalizing symptoms among high‐risk Hispanic youth, and that improving parent – youth communication, a protective family factor, may be one of the mechanisms by which the intervention influences youth internalizing symptoms. 相似文献
289.
Nina Strohminger Kurt Gray Vladimir Chituc Joseph Heffner Chelsea Schein Titus Brooks Heagins 《Behavior research methods》2016,48(3):1197-1204
Faces impart exhaustive information about their bearers, and are widely used as stimuli in psychological research. Yet many extant facial stimulus sets have substantially less detail than faces encountered in real life. In this paper, we describe a new database of facial stimuli, the Multi-Racial Mega-Resolution database (MR2). The MR2 includes 74 extremely high resolution images of European, African, and East Asian faces. This database provides a high-quality, diverse, naturalistic, and well-controlled facial image set for use in research. The MR2 is available under a Creative Commons license, and may be accessed online. 相似文献
290.
Perceptions of body size vary by gender and ethnicity. Women are more dissatisfied with their bodies than are men and Caucasian women are more dissatisfied with their bodies than are African American women. The purpose of this study was to examine if African American men and women accurately estimate the level of thinness preferred by the opposite gender. We predicted that African American women would correctly estimate the level of thinness found attractive by African American men, thereby providing support for the explanation that African American women are partially protected from experiencing similar levels of body dissatisfaction as Caucasian women do because they correctly estimate that African American men like larger women. Participants were 68 African American women and 34 African American men. The results supported our prediction, African American women accurately estimate the level of thinness preferred by African American men. 相似文献