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61.
When geometric and non-geometric information are both available for specifying location, men have been shown to rely more heavily on geometry compared to women. To shed insight on the nature and developmental origins of this sex difference, we examined how 18- to 24-month-olds represented the geometry of a surrounding (rectangular) space when direct non-geometric information (i.e. a beacon) was also available for localizing a hidden object. Children were tested on a disorientation task with multiple phases. Across experiments, boys relied more heavily than girls on geometry to guide localization, as indicated by their errors during the initial phase of the task, and by their search choices following transformations that left only geometry available, or that, under limited conditions, created a conflict between beacon and geometry. Analyses of search times suggested that girls, like boys, had encoded geometry, and testing in a square space ruled out explanations concerned with motivational and methodological variables. Taken together, the findings provide evidence for an early sex difference in the weighting of geometry. This sex difference, we suggest, reflects subtle variation in how boys and girls approach the problem of combining multiple sources of location information.  相似文献   
62.
This paper reports on a two‐pronged qualitative research study that used leaders’ life stories and the case research method to understand the leadership of change in 14 South African organizations. We describe how leaders led the changes required to balance the imperatives emanating from South Africa's socio‐political changes and return the country to the international business arena, as well as the challenges created by years of inequality and neglect of the socio‐economic development of the majority of its population. We found that the leaders’ life stories played a significant role in how they perceived and responded to the change situation. Four themes summarizing the actions of the leaders – namely, their efforts to embrace change, to provide hope, to connect change to African values and culture, and to champion diversity – are described. The results of the study suggest that leaders’ life stories can be an important source of information about how they perceive, interpret, and respond to change.  相似文献   
63.
Background. Trait emotional intelligence (trait EI or trait emotional self‐efficacy) refers to individuals’ emotion‐related self‐perceptions ( Petrides, Furnham, & Mavroveli, 2007 ). The children's trait EI sampling domain provides comprehensive coverage of their affective personality. Preliminary evidence shows that the construct has important implications for children's psychological and behavioural adjustment. Aims. This study investigates the associations between trait EI and school outcomes, such as performance in reading, writing, and maths, peer‐rated behaviour and social competence, and self‐reported bullying behaviours in a sample of primary school children. It also examines whether trait EI scores differentiate between children with and without special educational needs (SEN). Sample. The sample comprised 565 children (274 boys and 286 girls) between the ages of 7 and 12 (M(age)= 9.12 years, SD= 1.27 years) attending three English state primary schools. Method. Pupils completed the Trait Emotional Intelligence Questionnaire‐Child Form (TEIQue‐CF), the Guess Who peer assessment, the Peer‐Victimization Scale, and the Bullying Behaviour Scale. Additional data on achievement and SEN were collected from the school archives. Results. As predicted by trait EI theory, associations between trait EI and academic achievement were modest and limited to Year 3 children. Higher trait EI scores were related to more nominations from peers for prosocial behaviours and fewer nominations for antisocial behaviour as well as lower scores on self‐reported bulling behaviours. Furthermore, SEN students scored lower on trait EI compared to students without SEN. Conclusions. Trait EI holds important and multifaceted implications for the socialization of primary schoolchildren.  相似文献   
64.
This paper is based on a research study that investigated the quality of life of elderly persons (aged 60 years and over) in South Africa in the wake of population aging, HIV/AIDS, the process of modernization which ushered in new challenges and the legacy of apartheid. A combination of all these factors among others has played a major role in lowering the quality of life of senior citizens in South Africa. For effective measurement purposes, a conceptual framework of broad categories of quality of life indicators for this proportion of the population are identified as: household structure, social inclusion, care of older persons and care burden on the elderly. Under these broad categories we investigate such specific indicators as: general health; satisfaction with basic needs of food, clothing and housing; emotional well-being; and their environmental harmony regarding access to amenities of transport, sanitation, safe water and security. The influence of socio-demographic factors on the above indicators is also examined. The long term goal of the study is to provide guidance for more creative policies including strategies of poverty reduction, housing older people in a dignified way and providing a wide range of options that facilitate healthy aging, in so doing, catering for the best interests and needs of senior citizens in South Africa. A representative sample of size 900 randomly selected elderly persons in Mpumalanga Province, South Africa is used. Structured interviews and direct observation are used to collect data, and bivariate statistical analyses performed.  相似文献   
65.
In this research, lexical and morpholexical reading in Italian children ages 8 to 10 years were investigated. Children and control adults were administered two tasks on words and pseudowords: visual lexical decision and naming. Word frequency effects in both lexical decision and naming were found in both children and adults. For all age groups pseudowords made up of roots and derivational suffixes were decided more frequently as possible words and were named more quickly and accurately than matched pseudowords with no morphological constituency. These results show that morpholexical reading is available and efficient in young readers of a shallow orthography, with similar patterns in children and adults.  相似文献   
66.
The development of executive function (EF) in autism spectrum disorder (ASD) has only been investigated using “cool”-cognitive-EF tasks. Little is known about the development of “hot”-affective-EF and whether it follows a similar developmental pathway. This study employed a cross-sectional developmental trajectories approach to examine the developmental changes in cool (working memory, inhibition, and planning) and hot EF (delay discounting and affective decision-making) of ASD participants (n = 79) and controls (n = 91) relative to age and IQ, shedding more light on the hot–cool EF organization. The developmental trajectories of some aspects of cool EF (working memory and planning) differed significantly as a function of age in ASD participants relative to controls. For both hot EFs, no significant age-related changes were found in either group. These findings extend our understanding regarding the maturation of EF from childhood through adolescence in ASD.  相似文献   
67.
In this paper we aim to show an intrinsic contradiction of contemporary Metaphysical Realism by focusing on the relation between the subject and the object. Metaphysical Realism considers facts and objects as being empirical, and therefore they are considered in relation to the subject, while at the same time facts are assumed to belong to an autonomous and independent reality. However, if a real object is considered to be independent from the subject, once it enters in a relation with the latter, a real object must undergo an intrinsic transformation. However, since an object cannot avoid this transformation then recovering the real or “absolute” object from the perceived object is not possible. In this way, the inherent contradiction of the “absolute” as being determined, i.e., defined by virtue of a limit, is revealed.  相似文献   
68.
Social capital plays a key role in college and career success, and research indicates that a dearth of on‐campus connections contributes to challenges first‐generation college students face in effectively navigating the college environment. This study investigates a novel intervention that focuses on the development of skills and attitudes to empower first‐generation college students to cultivate social capital and on‐campus connections during the transition to college. A mixed methods, explanatory design was used to evaluate impacts and processes of the intervention among first‐generation college students (= 164) in the context of an ethnically diverse, urban, public university in the Northeast. Results indicated that students who participated in the intervention demonstrated improved attitudes and behaviors around seeking support in college, closer relationships with instructors, and higher GPAs at the end of their first year in college. These results suggest the potential benefits of a relatively scalable approach to supporting the needs of first‐generation college students.  相似文献   
69.
Lang's bioinformational theory of mental imagery proposes that mental imagery and external stimuli engage emotional information-processing systems in similar ways. However, the positive and negative systems are thought to be distinct, so this similarity is likely to show a valence-specific effect. Therefore, we hypothesized that an individual's ability to construct vivid positive, but not negative, mental imagery would predict positive emotional responding to positive visual stimuli, independently of depressive symptoms. Our stimuli were pictures collected through Project Soothe for possible use in psychotherapy ( www.projectsoothe.com ); as these pictures were intended to induce soothing emotion, we hypothesized that theoretically linked variables Self-compassion and Self-criticism would also predict positive responding to the stimuli. A total of 214 participants completed an online study including validated questionnaire measures, mental imagery tasks, and a picture-rating exercise. Only Positive Imagery Vividness and Self-compassion were significant predictors of positive responding to the soothing pictures, even controlling for depressive symptoms, and Negative and General Imagery Vividness. These findings support Lang's theory and provide evidence for individual differences in a positive processing tendency shared across mental imagery-based and perceptual representations. As this relationship is distinct from depressive symptoms, future imagery-based psychotherapies might aim to influence this positive processing tendency.  相似文献   
70.
We analyzed postsurgery linguistic outcomes of 43 hemispherectomy patients operated on at UCLA. We rated spoken language (Spoken Language Rank, SLR) on a scale from 0 (no language) to 6 (mature grammar) and examined the effects of side of resection/damage, age at surgery/seizure onset, seizure control postsurgery, and etiology on language development. Etiology was defined as developmental (cortical dysplasia and prenatal stroke) and acquired pathology (Rasmussen's encephalitis and postnatal stroke). We found that clinical variables were predictive of language outcomes only when they were considered within distinct etiology groups. Specifically, children with developmental etiologies had lower SLRs than those with acquired pathologies (p =.0006); age factors correlated positively with higher SLRs only for children with acquired etiologies (p =.0006); right-sided resections led to higher SLRs only for the acquired group (p =.0008); and postsurgery seizure control correlated positively with SLR only for those with developmental etiologies (p =.0047). We argue that the variables considered are not independent predictors of spoken language outcome posthemispherectomy but should be viewed instead as characteristics of etiology.  相似文献   
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