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61.
62.
Ross Sparks 《Australian & New Zealand Journal of Statistics》2010,52(3):245-260
The paper introduces a two-pass adaptive cumulative sum (CUSUM) statistic to identify age clusters (age grouping) that significantly contribute to epidemics or unusually high counts. If epidemiologists know that an epidemic is confined to a narrow age group, then this information not only makes it clear where to target the epidemiological effort but also helps them decide whether to respond. It is much easier to control an epidemic that starts in a narrow age range of the population, such as pre-school children, than an epidemic that is not confined demographically or geographically. 相似文献
63.
G.J.S. Ross 《Statistics》2013,47(3):445-453
This is the first application of a new method for testing stationary random point processes. Consider the class of all stationary ergodic point processes on the real line with arbitrary dependences among the inter–point distances (spacing).The hypothesis is :The observed process φ is a homogeneous Poisson process or more (resp.less) regular than a Poisson process.The sample is the vector of the first n points t1, …,tn.There is a close relation between our method for testing and queueing theory: For finding an appropriate test statistic, we observe the behaviour of a single server queue with the input φ.A table of critical values is given. 相似文献
64.
G. J. S. Ross 《Journal of applied statistics》1990,17(1):3-8
Estimates of variance from samples depend strongly on extreme values. Incomplete variance functions may be used to explain the unreliability of variance estimates when the distribution is long-tailed. 相似文献
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66.
This study examined the links among parents' interaction styles, their children's social information processing, and peer acceptance. Fourth‐grade children (N = 159) and their parents were observed during family discussions. One year later peer acceptance and children's information processing choices (goals, strategies, and attributions) in response to social dilemmas involving their parents and peers were assessed. Fathers' interaction styles with their children predicted both girls' and boys' information processing in regard to their fathers and peers, which, in turn, were related to peer acceptance. Mothers' interactive styles with their children predicted children's social information processing in regard to parents and peers and peer acceptance in similar ways, but only for girls. This study provided evidence that parent–child interaction is linked to children's information processing concerning their relationships with parents and peers and in turn with children being liked by peers. The implications of a social information processing approach for understanding family–peer links are emphasized. 相似文献
67.
The short‐ and long‐term consequences of childhood sexual abuse have been extensively reported. However, for many years there has been an absence of psychological conceptual frameworks for understanding and treating abuse trauma symptoms. This paper reviews a number of outcome studies for the treatment of child sexual abuse where a post‐traumatic stress disorder (PTSD) conceptualization was used to plan treatment interventions. The paper concludes that, contrary to some concerns expressed by clinicians, sexually abused children and their non‐abusing carers can signi?cantly bene?t from cognitive behavioural interventions which use reliving and confrontation of the abusive experience. Notwithstanding this, there is a need for further controlled outcome research of cognitive behavioural interventions using reliving techniques to explore how and why these interventions help in reducing abuse‐related PTSD symptoms. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献
68.
Hardship and depression 总被引:4,自引:0,他引:4
69.
Families are central in the unfolding life course. They have both internal and external dynamics that reflect and characterize the modern life span, and a life course perspective has particular utility for understanding the role and implications of families for individuals and society. The purpose of this paper is 3‐fold. First, we offer a family life course perspective that delineates core concepts of roles, role configurations, and pathways, specifies the links between them, and highlights the importance of linked lives and structural context. Second, we elaborate a latent class approach for modeling the multilayered dynamic interdependencies that characterize modern family life. Third, we provide an empirical example by considering the timing of childbearing, teen parenthood, and its place in the transition to adulthood using women's data from the National Longitudinal Survey of Youth 1979 (N= 2,191). We conclude by discussing further avenues of family research that are enhanced with a life course approach and complementary latent structure methodology. 相似文献
70.
Brener Nancy D.; Eaton Danice K.; Kann Laura; Grunbaum Jo Anne; Gross Lori A.; Kyle Tonja M.; Ross James G. 《Public opinion quarterly》2006,70(3):354-374
This study examined whether the prevalence of self-reportedhealth risk behaviors among high school students varied by surveysetting (school versus home) and mode of administration (paperand pencil versus computer). Students in grades 9 and 11 wereassigned randomly to one of four conditionsschool paper-and-pencilinstrument (PAPI), school computer-assisted self-interview (CASI),home PAPI, and home CASI. During the spring of 2004, 4,506 studentscompleted identically worded questionnaires based on the YouthRisk Behavior Survey questionnaire. Logistic regression analysescontrolling for sex, grade, and race/ethnicity revealed thatsetting was associated significantly with the reporting of 30of the 55 risk behaviors examined, and mode was associated significantlywith the reporting of 7 of the 55 behaviors. For all behaviorswith a significant setting main effect, the odds of reportingthe behavior were greater among students who completed questionnairesat school than among students who completed questionnaires athome. For all behaviors with a significant mode main effect,PAPI mode students had lower odds of reporting the behaviorthan CASI mode students. Because social measurement researchassumes that higher prevalence estimates are more valid thanlower estimates, methodological factors shown to increase estimates,such as setting and mode, should be considered when planningsurveys. 相似文献