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101.
Hyperactivity, impulsivity, and attention problems (HIA) in children and adolescents are stressful for parents. In this study,
we used theories of parents’ perceived power and attributions for youths’ behaviors to develop a model to understand parents’
reactions to their youths’ HIA. We followed 706 youths (376 boys and 330 girls, aged 10–12 years at T1) and their parents
in a community-based project over 5 years. Measures of youths’ HIA, youths’ unresponsiveness to correction, parents’ feelings
of powerlessness, parental monitoring, and parents’ negative behaviors toward their youths, were used. HIA in youths predicted
increases in parents’ perceptions that their youths were unresponsive to correction, which in turn prompted parents to feel
more powerless over time. Further, parents’ feelings of powerlessness were associated with increases in negative parenting
behaviors over time. These results indicate a movement to more negative parenting practices over time as a result of youths’
HIA. 相似文献
102.
Skeem J Johansson P Andershed H Kerr M Louden JE 《Journal of abnormal psychology》2007,116(2):395-409
Although psychopathy usually is treated as a unitary construct, a seminal theory posits that there are 2 variants: Primary psychopathy is underpinned by an inherited affective deficit, whereas secondary psychopathy reflects an acquired affective disturbance. The authors investigated whether psychopathy phenotypically may be disaggregated into such types in a sample of 367 prison inmates convicted of violent crimes. Model-based cluster analysis of the Revised Psychopathy Checklist (PCL-R; R. D. Hare, 2003) and trait anxiety scores in the psychopathic subgroup (n = 123; PCL-R > or = 29) revealed 2 clusters. Relative to primary psychopaths, secondary psychopaths had greater trait anxiety, fewer psychopathic traits, and comparable levels of antisocial behavior. Across validation variables, secondary psychopaths manifested more borderline personality features, poorer interpersonal functioning (e.g., irritability, withdrawal, poor assertiveness), and more symptoms of major mental disorder than primary psychopaths. When compared with the nonpsychopathic subgroup (n = 243), the 2 psychopathic variants manifested a theoretically coherent pattern of differences. Implications for etiological research and violence prevention are discussed. 相似文献
103.
Although cognitive theories of anxiety suggest that anxious individuals are characterized by abnormal threat-relevant schemas, few empirical studies have estimated the nature of these cognitive structures using quantitative methods that lend themselves to inferential statistical analysis. In the present study, socially anxious (n = 55) and non-anxious (n = 62) participants completed 3 Q-Sort tasks to assess their knowledge of events that commonly occur in social or evaluative scenarios. Participants either sorted events according to how commonly they personally believe the events occur (i.e. "self" condition), or to how commonly they estimate that most people believe they occur (i.e. "other" condition). Participants' individual Q-Sorts were correlated with mean sorts obtained from a normative sample to obtain an estimate of schema abnormality, with lower correlations representing greater levels of abnormality. Relative to non-anxious participants, socially anxious participants' sorts were less strongly associated with sorts of the normative sample, particularly in the "self" condition, although secondary analyses suggest that some significant results might be explained, in part, by depression and experience with the scenarios. These results provide empirical support for the theoretical notion that threat-relevant self-schemas of anxious individuals are characterized by some degree of abnormality. 相似文献
104.
Fergus Kerr 《International Journal of Systematic Theology》2004,6(1):37-49
Abstract: Reason, as it is proper to the task of theology, has two uses: critical and contemplative. This twofold appropriation of reason sets the stage for this article, a stage occupied in turn by Newman and by Aquinas. The critical function of theological work is expressed via the 1877 preface which Newman wrote for his Lectures on the Prophetic Office of the Church. The critical office of theology is vital not only to the practice of theology itself but to the liturgical and spiritual life of the church, and to the exercise of church leadership if that leadership is not to descend into tyranny. For the theologian, reason is not antithetical to contemplation; rather, contemplation includes a form of reasoning. Theology is ‘a schooling in the discipline of contemplating the self‐revealing God’, a discipline of ‘metaphysical ascesis’ which compels both intellectual conversion and moral practice. Such an ascesis was practised well by Aquinas, and Kerr reflects on the Summa Theologiae as ‘a training in a form of metaphysical reasoning’, being schooled in the knowledge of God which strips away our ‘idolatorous inclinations’. 相似文献
105.
Perceived widths and detection thresholds were measured for foveally viewed stimuli which were edged on two sides by luminance ramps. Perceived width approximated the distance between the midpoints of the ramps. It varied with the width of the ramps, but was unaffected by a five-fold change in the luminance of the stimulus. The detection threshold was higher for a ramp stimulus than for a normal stimulus of the same apparent width. The relationship between perceived width and detectability is consistent with a theoretical treatment based upon receptive-field mechanisms. 相似文献
106.
The U.S. Supreme Court has repeatedly assumed the functional equivalence of different sized juries (at least in the range of 6- to 12-person groups). Several formal models of jury decision making predict that larger juries should hang more often, particularly for very close cases. Failures to confirm this prediction in several previous studies were attributed to inadequate sample sizes or to insufficiently close cases. An experimental simulation study that minimized these problems was undertaken to test the models' prediction. Social decision scheme and social transition scheme analyses permitted comparisons of the decision-making processes of the different-sized mock juries. The effect of the method used to poll group members' verdict preferences was also examined. As group size increased, the observed probability of a hung jury increased significantly. No process differences between 6- and 12-person groups were detected, but 3-person groups did exhibit several process differences from the larger groups. When cases were very close, the likelihood of a hung jury for typically sized juries was found to be lower when the group was polled by secret ballot than when a show-of-hands polling method was used. 相似文献
107.
Cognitive spatial processing and the regulation of posture 总被引:14,自引:0,他引:14
B Kerr S M Condon L A McDonald 《Journal of experimental psychology. Human perception and performance》1985,11(5):617-622
Subjects performed the Brooks (1967) spatial and nonspatial memory tasks either while sitting or while maintaining a difficult standing balance position. The balance task disrupted spatial but not nonspatial memory performance. Balance steadiness during spatial and nonspatial memory conditions did not differ. These results suggest that cognitive spatial processing may rely on neural mechanisms that are also required for the regulation of posture. 相似文献
108.
109.
Nancy H. Kerr 《Memory & cognition》1993,21(4):467-476
A series of five experiments was conducted to test the optimal speed for performing two- and three-dimensional imagery tasks. Subjects were required to keep track of the location of a pathway in an imagined matrix, as the directions of its successive movements were described verbally. Matrices varied in size and in number of spatial dimensions, with two-dimensional matrices drawn on cardboard and three-dimensional ones built from wooden blocks. When subjects were able to dictate the rate of presentation of the terms describing the pathway, they preferred slower rates for three-dimensional than for two-dimensional stimuli. In subsequent experiments, very fast presentation rates had a larger detrimental effect on performance with three-dimensional matrices than with two-dimensional matrices. A comparison of the patterns of performance for subjects who generally scored high with the patterns for those who scored low showed a stronger effect of dimensionality for poor performers, suggesting that individual differences mediate performance on the task. 相似文献
110.