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21.
Self‐conscious Shyness: Growth during Toddlerhood,Strong Role of Genetics,and No Prediction from Fearful Shyness
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Natalie D. Eggum‐Wilkens Kathryn Lemery‐Chalfant Nazan Aksan H. Hill Goldsmith 《Infancy》2015,20(2):160-188
Fearful and self‐conscious subtypes of shyness have received little attention in the empirical literature. Study aims included the following: (1) determining whether fearful shyness predicted self‐conscious shyness, (2) describing development of self‐conscious shyness, and (3) examining genetic and environmental contributions to fearful and self‐conscious shyness. Observed self‐conscious shyness was examined at 19, 22, 25, and 28 months in same‐sex twins (MZ = 102, DZ = 111, missing zygosity = 3 pairs). Self‐conscious shyness increased across toddlerhood, but onset was earlier than predicted by theory. Fearful shyness (observed [6 and 12 months] and parents’ reports [12 and 22 months]) was not predictive of self‐conscious shyness. Independent genetic factors made strong contributions to parent‐reported (but not observed) fearful shyness (additive genetic influence = .69 and .72 at 12 and 22 months, respectively) and self‐conscious shyness (additive genetic influence = .90 for the growth model intercept). Results encourage future investigation of patterns of change and inter‐relations in shyness subtypes. 相似文献
22.
The study aimed to prospectively assess the variables which predict women's intention to return and actual return to violent partners. A questionnaire was developed and administered to 78 women who were taking refuge in a women's shelter after leaving a violent partner. After a two month period it was determined whether or not the women had returned to their partner. Intention to return was significantly predicted by the frequency and severity of violence, the age of the woman's youngest child, her belief the partner had changed, subjective norms and external locus of control. Actual return was predicted by the intention to return to partner, number of times a women had previously left her partner, commitment to relationship, subjective norms and allocation of responsibility for violence. It was argued that therapeutic interventions that address the attitudinal predictors of intention to return or actual return could aid some women and their children to remain away from a violent living situation. 相似文献
23.
D. E. Amos 《统计学通讯:理论与方法》2013,42(3):261-281
Recursion relations suitable for rapid computation are derived for the cumulative distribution of F′ = (X/m)/(Y/n) where X is χ2(λ, m) and Y is independently χ2(n). When n is even no complicated function evaluations are needed. For n odd, a special doubly noncentral t distribution is needed to start the computation. Series representations for this t distribution are given with rigorous bounds on truncation errors. Proper recursion techniques for numerical evaluation of the special functions are given. 相似文献
24.
Maternal and Child Anxiety: Do Attachment Beliefs or Children's Perceptions of Maternal Control Mediate Their Association? 总被引:1,自引:0,他引:1
This study tested a model of the association between maternal and child anxiety that views mother and child attachment beliefs and children's perceptions of maternal control as mediators of the association. The study was conducted with mothers and their children aged 6 to 17 (N = 88). Maternal anxiety was significantly associated with child anxiety and maternal anxious attachment beliefs, whereas child anxiety was associated with maternal anxious attachment beliefs, child insecure attachment beliefs, and children's perceptions of maternal control. Maternal anxious attachment beliefs mediated the association between maternal and child anxiety; however, child attachment beliefs and children's perceptions of maternal control did not. The influence of age and gender is also addressed. The findings are discussed in terms of elucidating the role of attachment beliefs and children's perceptions of maternal control on the association between maternal and child anxiety. 相似文献
25.
A semiparametric estimator for evaluating the parameters of data generated under a sample selection process is developed. This estimator is based on the generalized maximum entropy estimator and performs well for small and ill-posed samples. Theoretical and sampling comparisons with parametric and semiparametric estimators are given. This method and standard ones are applied to three small-sample empirical applications of the wage-participation model for female teenage heads of households, immigrants, and Native Americans. 相似文献
26.
L'histoire des peuples autochtones ne figure pas parmi les sujets qui sont traités dans la recherche comparée en génocide. Les auteures examinent l'approche conceptuelle qui a conduit à cette lacune en s'attardant à la terminologie employée et à la distinction qu'impose la typologie du génocide entre génocide idéologique et génocide provoqué par l'expansion d'un groupe aux dépens d'un autre, et en soulignant l'importance qui est rattachée dans cette même typologie à la logique qui motive les régimes coupables de génocide. On examine également la relation qui existe entre génocide des peuples autochtones et ceux des autres peuples, ceci en relation avec trois critères d'analyse, soit la réaction des persécutés, le processus de guérison et la quête de justice. À la suite de cet examen, on démontre qu'une approche plus globale dans l'étude comparée du génocide, approche qui reconnaîtrait l'enver-gure des génocides des peuples autochtones, serait à l'avantage des chercheurs. Enfin, les auteures font remarquer que l'approche foncièrement européenne dans la recherche en génocide a pour effet de circonscrire le débat. The experiences of indigenous peoples have been left outside the framework of comparative genocide research. We first discuss conceptual reasons for this omission, focussing on the role of genocide definitions, ideological vs. developmental distinctions in genocide typologies, and the emphasis in genocide typologies on the motivations of perpetrators. We then illustrate the relation between indigenous genocides and other genocides by examining three important foci of genocide studies: responses, healing and justice. From these comparisons and contrasts, we conclude that a broader comparative approach that acknowledges the importance of indigenous genocides would contribute significantly to genocide studies. Finally, we note that adherence to European world views in genocide studies limits the potential for constructive analysis. 相似文献
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28.
AbstractOccupancy models are used in statistical ecology to estimate species dispersion. The two components of an occupancy model are the detection and occupancy probabilities, with the main interest being in the occupancy probabilities. We show that for the homogeneous occupancy model there is an orthogonal transformation of the parameters that gives a natural two-stage inference procedure based on a conditional likelihood. We then extend this to a partial likelihood that gives explicit estimators of the model parameters. By allowing the separate modeling of the detection and occupancy probabilities, the extension of the two-stage approach to more general models has the potential to simplify the computational routines used there. 相似文献
29.
The study explored whether perceived shared experience with a media portrayal could influence various cognitions—such as concern, sense of personal involvement, and desire to learn more—that are important for behavior change. This research used the situational theory of publics in order to evaluate whether perceived shared risk is an antecedent to the factors leading to communication behavior. In general, the findings from this experiment supported the idea that shared risk experience with portrayals in news coverage has the potential to influence problem recognition, involvement recognition, and a new variable that combines information seeking and processing: that of information gaining. 相似文献
30.
Alex C. Michalos Heather Creech Natalie Swayze P. Maurine Kahlke Carolee Buckler Karen Rempel 《Social indicators research》2012,106(2):213-238
In this paper we present standardized measures of tenth grade students’ knowledge, attitudes and behaviours concerning sustainable
development as those concepts are understood in the United Nations Educational, Scientific and Cultural Organization, and
we test the hypothesis that knowledge and favourable attitudes toward SD lead to favourable behaviours. Using a fairly representative
random sample of 1,551 tenth grade students from the province of Manitoba, Canada, we crafted 3 indexes. There is a 20-item
Index of Knowledge of SD with a good Cronbach alpha = 0.89, a 15-item Index of Attitudes Favourable Toward SD with alpha = 0.84
and a 15-item Index of Behaviours Favourable Toward SD with an alpha = 0.83. About 21% of the variation in our Behaviours
Index scores could be accounted for by our Knowledge Index and Attitudes Index scores. 相似文献