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21.
A few previous studies have shown that narcissistic traits in youth are positively associated with bullying. However, research examining the developmental relationship between narcissism and bullying is lacking. Moreover, it is unclear whether narcissists constitute a homogeneous group and whether the bullying of narcissistic youth results in establishing social dominance over peers. The present work addresses these gaps. Children (N?=?393; M age?=?10.3; 51 % girls) were followed during the last 3 years of primary school. Person-centered analyses were used to examine whether groups with distinct developmental trajectories for narcissism and two bullying forms (direct and indirect) can be identified, and how these trajectories are related. Multiple groups emerged for all constructs examined. For girls, higher narcissism was neither related to more intense bullying, nor to higher social dominance. In contrast, highly narcissistic boys were more likely than their peers to show elevated direct bullying, and in particular elevated indirect bullying. Hence, high narcissism is a risk factor for bullying in boys, but not in girls. However, narcissism is not always accompanied by high bullying, given that many boys on the high bullying trajectories were not high in narcissism. Results show that among narcissistic youth only those who engage in high levels of bullying are high in social dominance.  相似文献   
22.
The authors studied changes in performance and kinematics during the acquisition of a 1-handed catch. Participants were 8 women who took an intensive 2-week training program during which they evolved from poor catchers to subexpert catchers. An increased temporal consistency, shift in spatial location of ball-hand contact away from the body, and higher peak velocity of the transport of the hand toward the ball accompanied their improvement in catching performance. Moreover, novice catchers first adjusted spatial characteristics of the catch to the task constraints and fine-tuned temporal features only later during learning. A principal components analysis on a large set of kinematic variables indicated that a successful catch depends on (a) forward displacement of the hand and (b) the dynamics of the hand closure, thereby providing a kinematic underpinning for the traditional transport-manipulation dissociation in the grasping and catching literature.  相似文献   
23.
Quantitative results are reported of a longitudinal evaluation of a resilience training as a possible method to prevent violent radicalization (Diamant; SIPI, 2010). A total of 46 male and female Muslim adolescents and young adults with a migrant background participated. Results show that the training significantly increased participants' reports of agency and a marginal increase was found in reported self‐esteem, empathy and perspective taking but also narcissism. Attitudes toward ideology‐based violence and own violent intentions were significantly lower after the training than before. Higher reports of empathy were related to less positive attitudes toward ideology‐based violence. These results suggest that an intervention aimed at empowering individuals in combination with strengthening empathy is successful in countering violent radicalization.  相似文献   
24.
25.
For self‐regulated learning to be effective, students or trainees need to be able to accurately monitor their performance while they are working on a task, use the outcomes as input for self‐assessment of that performance after completing the task and select an appropriate new learning task in response to that assessment. From a cognitive load perspective, monitoring can be seen as a secondary task that may become hard to maintain and hamper performance on the primary task under high load conditions. The experiment presented here investigated the effects of concurrent performance monitoring on cognitive load and performance as a function of task complexity. Results showed that monitoring significantly decreased performance and increased cognitive load on complex, but not on simple tasks. The findings are discussed in terms of theoretical consequences and instructional design for self‐regulated learning. Copyright © 2010 John Wiley & Sons, Ltd.  相似文献   
26.
Although New Ways of Working (NWW) are increasingly implemented in organizational practice, few studies have addressed its pros and cons for employee outcomes. NWW enable employees to choose when and where to work, while being supported by electronic communication. We examined the effects of NWW on work engagement and exhaustion, and investigated whether communication quality mediated these relationships. The results of a five-day diary study (n= 550) showed that daily use of NWW was positively related to daily engagement and negatively to daily exhaustion due to increased effective and efficient communication. In addition, NWW enhanced connectivity among co-workers, resulting in enhanced daily engagement and reduced exhaustion. However, we also found a positive relationship between NWW and exhaustion, because NWW increased interruptions during the work process. Although some caution is needed, we conclude that NWW have the potential to foster work engagement.  相似文献   
27.
Whereas previous research has shown that bullying in youth is predictive of a range of negative outcomes later in life, the more proximal consequences of bullying in the context of the peer group at school are not as clear. The present three-wave longitudinal study followed children (N?=?394; 53 % girls; M age?=?10.3 at Time 1) from late childhood into early adolescence. Joint trajectory analyses were used to examine the dynamic prospective relations between bullying on the one hand, and indices tapping perceived popularity, peer-reported social acceptance, self-perceived social competence, and internalizing symptoms on the other. Results show that although young bullies may be on a developmental path that in the long run becomes problematic, from the bullies’ perspective in the shorter term personal advantages outweigh disadvantages. High bullying is highly positively related to high social status as indexed by perceived popularity. Although bullies are not very high in peer-rated social acceptance, most are not very low either. Moreover, bullies do not demonstrate elevated internalizing symptoms, or problems in the social domain as indexed by self-perceived social competence. As bullying yields clear personal benefits for the bullies without strong costs, the findings underscore the need for interventions targeting mechanisms that reward bullying (198 words).  相似文献   
28.
Structural equation modeling was used to examine antecedents of parental sunscreen use (N = 436) in a longitudinal design. The influence of a volitional planning cognition was assessed in several path models, investigating potential mediation and moderation of the intention–behavior relationship. Premotivational and motivational variables accounted for 55.1% of the variance in intention to use sunscreen. Intention emerged as the most powerful predictor of behavior, followed by action planning and self-efficacy expectations, together explaining 35.4% of parental sunscreen use after five months. Strong support was found for both mediating and moderating influences of action planning on the intention–behavior relationship. Action planning also partially mediated the impact of self-efficacy on behavior. The results support theoretical considerations to add postintentional cognitions to current health behavior models. Although action planning is an important component in the transition from intention to behavior, the impact of intention and of other premotivational and motivational variables should not be overlooked when developing health educational interventions.  相似文献   
29.
Objective: This study assessed: (1) whether risk perceptions about skin cancer were related to parent's use of sunscreen on their children; (2) which combination of assessments susceptibility and severity best explain parental sunscreen protection behaviours and (3) whether risk perceptions influence behaviour directly through intentions or through attitudes, subjective norms and self-efficacy.

Design: Two longitudinal studies assessed sunscreen protection behaviours of parents for their toddlers (N?=?391) and young children (N?=?436).

Main outcome measure: Parent's use of sunscreen on their children.

Results: Risk perceptions correlated with future sunscreen protection behaviours of parents but were lower than those of attitude, social influence and self-efficacy. Treating susceptibility and severity as an additive function resulted in the best model fit. Risk perceptions were related with future intention and future sunscreen protection behaviour, but the effects were mediated through attitude, social influence and self-efficacy.

Conclusions: Our path analyses suggest treating susceptibility and severity as an additive function. A multiplicative model without main effects – although often used – had the poorest fit. Risk perceptions influence behaviour by influencing attitudinal and self-efficacy beliefs. Addressing risk perceptions in health communication programs is relevant when the purpose is to increase awareness and to influence attitudes and self-efficacy.  相似文献   
30.
The present study assessed fear of hurricanes in children who had been confronted with this natural event (i.e., Antillean children, n=161). Their fear levels were compared to those of children who are unfamiliar with such an event (i.e., Belgian children, n=185). Antillean children reported significantly higher levels of fear of storms than Belgian children did, thus providing support for the notion that exposure to dangerous events promotes children's fears of those events. Surprisingly, however, Antillean children had lower scores on the 'Hurricanes' item than Belgian children. Plausibly, differences in how children interpreted this item may have accounted for this unexpected finding. That is, ratings of Antillean children were probably based on actual experiences with hurricanes, whereas scores of Belgian children presumably reflected appraisal of threat in case they would be confronted with such an event. Implications of this finding for the assessment of childhood fears are briefly discussed.  相似文献   
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