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61.
Laboratory research has revealed considerable systematic variability in the degree to which individuals' alertness and performance are affected by sleep deprivation. However, little is known about whether or not different populations exhibit similar levels of individual variability. In the present study, we examined individual variability in performance impairment due to sleep loss in a highly select population of militaryjet pilots. Ten active-duty F-117 pilots were deprived of sleep for 38 h and studied repeatedly in a high-fidelity flight simulator. Data were analyzed with a mixed-model ANOVA to quantify individual variability. Statistically significant, systematic individual differences in the effects of sleep deprivation were observed, even when baseline differences were accounted for. The findings suggest that highly select populations may exhibit individual differences in vulnerability to performance impairment from sleep loss just as the general population does. Thus, the scientific and operational communities' reliance on group data as opposed to individual data may entail substantial misestimation of the impact of job-related stressors on safety and performance. 相似文献
62.
Nancy A. Braun Lori A. Kirchner Marie S. Hartman Karen J. Overton Thomas E. Caldwell 《Journal of Behavioral Education》1998,8(4):457-470
While establishing a database that describes students' aggressive behaviors and the conditions present at the time of occurrence, we discovered a variety of definitions of aggression in the literature. This lack of consistency limits the information provided to teachers working with the frequent problem of violence. We propose an inclusive and verifiable definition of aggression gleaned from experience and the literature. The definition incorporates verbal, paraverbal, nonverbal, and physical aggression. Validation is presented from the literature, and from 39 practicing teachers who used the definition to categorize 659 target behaviors. The teachers' level of agreement with the authors' categorization was 93% (median). 相似文献
63.
Phoebe M. Dufrene Victoria D. Coleman 《Journal of multicultural counseling and development》1994,22(3):145-152
This article discusses elements of the Native American Indian healing process and the significance of the arts in therapy. Until recently, most traditional healing practices were illegal in the United States. It is now imperative that counselors and educators of all ethnic backgrounds become aware of the role of the arts in Native healing. Implications for counselors and educators are highlighted. 相似文献
64.
WAIS test-retest reliabilities were calculated for a clinical out-patient sample with testing intervals varying from 1 to 10 yr. There was no relationship between test-retest interval and the stability of test scores and the correlations between IQs were quite satisfactory (Full Scale IQ = .897, Verbal IQ = .906, Performance IQ = .876). Reliabilities remained high even when the sample was divided by diagnosis into organic, neurotic, personality disorder, and schizophrenic subgroups. 相似文献
65.
66.
Studies of imitation in animals have become numerous in recent times, but do they contribute to a comparative psychology of social learning? We review this burgeoning field to identify the problems and prospects for such a goal. Difficulties of two main kinds are identified. First, researchers have tackled questions about social learning from at least three very different theoretical perspectives, the "phylogenetic", "animal model", and "adaptational". We examine the conflicts between them and consider the scope for integration. A second difficulty arises in the methodological approaches used in the discipline. In relation to one of these - survey reviews of published studies - we tabulate and compare the contrasting conclusions of nine articles that together review 36 studies. The basis for authors' disagreements, including the matters of perceptual opacity, novelty, sequential structure, and goal representation, are examined. In relation to the other key method, comparative experimentation, we identify 12 studies that have explicitly compared species' imitative ability on similar tasks. We examine the principal problems of comparing like with like in these studies and consider solutions, the most powerful of which we propose to be the use of a systematic range of task designs, rather than any single "gold standard" task. 相似文献
67.
Cross-Validation of the Behavioral and Emotional Rating Scale-2 Youth Version: An Exploration of Strength-Based Latent Traits 总被引:1,自引:0,他引:1
Michael J. Furlong Jill D. Sharkey Peter Boman Roslyn Caldwell 《Journal of child and family studies》2007,16(5):696-711
High-quality measurement is a necessary requirement to develop and evaluate the effectiveness of programs that use strength-based
principles and strategies. Using independent cross-validation samples, we report two studies that explored the construct validity
of the BERS-2 Youth Report, a popular measure designed to assess youth strengths, whose conceptual structure has not yet been
examined. In Study 1, an exploratory factor analysis found a four-factor solution with conceptual support, which included
both internal assets associated with (a) the management of emotions and positive social interaction skills and (b) engagement
in the important social contexts of family and school. In Study 2, confirmatory factor analyses found reasonable model fit
for the BERS-2 five-factor structure and superior model fit for the more parsimonious four-factor solution found in Study
1. In future studies, parallel reporting of the four-factor model may provide additional insight to the nature and structure
of the BERS-2 Youth Version’s clinical validity and utility when compared with the five-factor model, thus potentially contributing
to a broader objective to develop a better understanding of important strength-based latent traits. 相似文献
68.
Roslyn M. Caldwell Susan M. Sturges N. Clayton Silver 《Journal of child and family studies》2007,16(1):119-132
We examined and compared the influence of home and school environments to the affective (anxiety and depression) and behavioral
(impulsivity and compliance) states of 626 African American, Caucasian, and Hispanic adjudicated juvenile offenders. African
Americans showed the strongest relationship between their home environment and compliance. Caucasian and Hispanic males exhibited
increased home and school environment problems associated with affective states. Among females, African American and Caucasian
females exhibited the strongest relationships between their home environment and behavioral states, whereas Caucasian and
Hispanic males revealed increased school environment problems related to affective states with Hispanic males showing the
strongest relationships. In addition, the school environment was more predictive of the affective and behavioral states of
the adolescents, particularly females. 相似文献
69.
Heller T Caldwell J Factor A 《Mental retardation and developmental disabilities research reviews》2007,13(2):136-142
This review examines later life family support for adults with developmental disabilities from a life course perspective that takes into account social trends and changes in service patterns and in attitudes of families. Key issues addressed include: (1) trends affecting family caregiving, (2) health and social outcomes of life-long caregiving, (3) support needs of families, (4) family support policies and practices, and (5) recommendations for a research and policy agenda. Research examining outcomes of life-long caregiving has shown that most families adapt well to having a family member with disabilities. However, some families are at risk for poorer physical and mental health outcomes. These include cultural minorities and families of adults with behavioral challenges. Caregiving does seem to have a negative impact on maternal employment and family income as mothers often give up or cut back on employment to care for a child with developmental disabilities, who is more likely to continue living in the family home throughout adulthood than other adult children. Federal and state initiatives are addressing issues of family support through both the developmental disabilities and aging service systems. 相似文献
70.
In a world increasingly described as turbulent and chaotic, management scholars have acknowledged the importance of a virtue-based
set of criteria to serve as a moral rubric for the stakeholders that an organization serves. Business schools play a unique
role in helping their students to understand the ethical issues facing business. Business schools can also model the way for
creating a clear statement of values and principles, by creating a bill of rights for business schools that recognizes the
importance of rights and responsibilities and articulates the important ethical issues that apply not only to business but
to the business school context. Four models for creating a bill of rights in schools of business are presented and a framework
of a bill of rights is provided. The advantages of a virtue ethics model for a bill of rights are explained as the most practical
approach for business faculty to consider. 相似文献