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81.
We consider the calculation of power functions in classical multivariate analysis. In this context, power can be expressed
in terms of tail probabilities of certain noncentral distributions. The necessary noncentral distribution theory was developed
between the 1940s and 1970s by a number of authors. However, tractable methods for calculating the relevant probabilities
have been lacking. In this paper we present simple yet extremely accurate saddlepoint approximations to power functions associated
with the following classical test statistics: the likelihood ratio statistic for testing the general linear hypothesis in
MANOVA; the likelihood ratio statistic for testing block independence; and Bartlett's modified likelihood ratio statistic
for testing equality of covariance matrices. 相似文献
82.
A study of the legal treatment of inter-group and intra-group homicides reveals that dispositional decisions are made on the basis of the sex and occupational prestige combinations of offender-victim pairs. Discriminant analysis of data concerning 444 defendants and 432 victims indicates that males accused of slaying females receive the most severe dispositions, while females held in the death of males are noticeably underpenalized. Final convictions are most severe for low status defendants alleged to have murdered high status victims. Contrary to earlier studies, there are no significant differences in legal treatment in terms of the racial combinations of the offender-victim pair. An interpretive approach to the legal process may explain these results: differential processing of homicides depends on the extent to which defendants and victims conform to the popular conception of violent criminality. 相似文献
83.
In this paper we propose a macrolevel model for analyzing the creation of deviance rules. We begin by placing the phenomenon within the context of the social factist and social definitionist sociological traditions, identifying the insights and difficulties the social problems literature presents for explaining deviance rule creation. We suggest that the theoretical difficulties can be resolved by placing the process within a sociology of knowledge framework. The consequent dialectical model of deviance designation is based on the assumption that society is composed of a number of general interests in varying degrees of conflict with prevailing definitions of deviance representing outcomes of previous contests. This balance or accommodation becomes vulnerable with the introduction or increase in strain which is a potential resource for interest groups desiring a new definition. The outcome of the ensuing conflict is seen as dependent on the ability of the combatants to employ resources in the battle. We conclude by identifying the advantages the model has for studying the deviance rule creation process. 相似文献
84.
85.
Comment les projets des amis des étudiants du secondaire affectent-ils la décision de ceuxci de poursuivre des études au niveau collegial? L'auteur a étudiAeA cette question parmi 889 étudiants de 12e année AaG Port-Arthur et Fort-William. Les étudiants et les étudiantes dont les amis se proposent d'entrer au collège considèrent davantage de le faire que ceux et celles dont les amis ne se le proposent pas. Quand on tient compte du quotient d'intelligence et du milieu socio-économique, cette association persiste sauf dans le cas des jeunes filles de statut économique faible. Parmi ces dernières, les projets de leurs amis ne sont pas assoctés à leurs projets de poursuivre des études universitaires, quel que soit le quotient d'intelligence. L'auteur établit des liens entre ses observations et les conséquences de celles-ci et la notion que les jeunes forment un sousgroupe culturel. 相似文献
86.
Baseball's emotion work: Getting psyched to play 总被引:1,自引:0,他引:1
The problematic nature of sport contests creates a variety of emotions—anxiety, fear, sadness, joy, anger, disgust, frustration, compassion, and embarrassment. The present study uses an interactionist/interpretive investigation of baseball hitters and pitchers (N=21). Data were gathered by analysis of in-depth semistructured interviews with members of a college baseball team. A photo-elicitation interviewing technique was used with videotapes of the players in game situations. Players were asked to respond to the experience of hitting and pitching while observing the videotapes of themselves. The emotional experiences that emerged from the interviews focused on managing and maintaining their emotions within an optimal level of arousal. The players perceive the optimal level of arousal is necessary for a desirable performance. 相似文献
87.
88.
The focus of recent stratification research demonstrates increasing recognition of the structured nature of social inequality. Among the forms these efforts have taken has been the development of a number of models drawing attention to the importance of various labor market decisions or cleavages. The crucial role which restricted labor mobility must play in maintaining these cleavages, while largely untested, has long been recognized. We argue that analysis of the patterns of job sequencing can be used to draw important inferences regarding the existence and character of labor market structures. From this premise, we use job transition data to test a number of propositions derived from dual economy theory, relating to the extent of intersectoral moves and the patterns of intersectoral and intrasectoral moves. Using log-linear methods, we find the hypothesized restricted evidence of intersectoral job shifts and also find patterns of intrasectoral moves indicative of the pervasiveness of rigidly structured internal labor markets in the core. While these results are consistent with a dualistic interpretation, they are equally as consistent with any model emphasizing the existence of strong intrafirm and intraindustry job structures. 相似文献
89.
Simons RL Simons LG Burt CH Drummund H Stewart E Brody GH Gibbons FX Cutrona C 《Journal of health and social behavior》2006,47(4):373-389
Studies have shown that exposure to discrimination increases the probability that African American adolescents will engage in delinquent behavior, especially acts of violence. The present study extended this research by examining the extent to which supportive parenting buffers a youth from these deleterious consequences of discrimination. Analyses based upon two waves of data from a sample of 332 African American adolescent males and their caretakers supported this hypothesis. Further the results indicated that there are two avenues whereby supportive parenting reduces the probability that discrimination will lead to violence. First, supportive parenting decreases the chances that discrimination will lead to anger and a hostile view of relationships. Second, supportive parenting lowers the risk that anger or a hostile view of relationships, when they develop, will result in violence. 相似文献
90.