A "tetrad" refers to the difference in the products of certain covariances (or correlations) among four random variables. A structural equation model often implies that some tetrads should be zero. These "vanishing tetrads" provide a means to test structural equation models. In this paper we develop confirmatory tetrad analysis (C T A). C T A applies a simultaneous test statistic for multiple vanishing tetrads developed b y Bollen (1990). The simultaneous test statistic is available in asymptotically distribution-free or normal-distribution versions and applies to covariances or to correlations. We also offer new rules for determining the nonredundant vanishing tetrads implied by a model and develop a method to estimate the power of thestatistical test for vanishing tetrads. Testing vanishing tetrads provides a test for model fit that can lead to results different from the usual likelihood-ratio (L R) test associated ~~i t h the m a x i m u m likelihood methods that dominate the structural equation field. Also, the C T A technique applies to some underidentified models. Furthermore, some models that are not nested according to the traditional L R test are nested in terms of vanishing tetrads. Finally, C T A does not require numerical minimization and thus avoids the associated convergence problems that are present with other estimation approaches.
Leaving the parental home is increasingly treated as an essential stepping‐stone toward adulthood in the modern world. The authors argue that this is a cultural process regulated by social norms and institutional settings that vary from place to place. Hong Kong provides an excellent scenario in which Chinese traditions coexist with rapid economic development. Rather than looking at leaving the parental home as a developmental process, Chinese tradition tends to link it with filial obligations and gender status. On the basis of life history data collected in Hong Kong, the authors establish that leaving home has neither gained substantial popularity nor become a unique life stage among Chinese; it continues to be closely associated with the marriage transition and practical considerations such as housing, childcare needs, and the availability of elderly care.
This article examines the initial labor market outcome and the subsequent mobility process of Chinese immigrants in Colonial Hong Kong using complete work history data and event history modeling. Contrary to the rhetoric that Hong Kong is a capitalist paradise for adventurers, the data showed that immigrants were penalized in their initial class placement, subsequent mobility, and current income attainment. Differences in educational attainment and the lack of transferability of pre‐migration human capital partly explained the attainment gap between immigrants and the natives. Yet the disadvantage of immigrants was also embedded in the local economic structure. The process of deindustrialization significantly lowered the chance of immigrants getting good first jobs when entering the labor market. Moreover, since deindustrialization benefited the natives by providing them with more opportunities in the service sector, it inadvertently widened the gap in upward mobility chances between natives and immigrants.
This article develops an imbalance theory to explain physical violence against women in intimate relationships in South Africa. The theory proposes four typologies: dependence, compensation, submission, and transgression, through which imbalances in resource contribution and power distribution between spouses are hypothesized to contribute to violence. The dependence hypothesis suggests that economic dependence of the wife will lead to more violence. The compensation hypothesis argues that the husband will use force to compensate for his inability to live up to the male-provider norm. The submission hypothesis suggests that violence will increase due to the submission of women in male-dominated families. Finally, the transgression hypothesis argues that men in female-dominated families will use force to punish their wives for supposedly transgressing the gender norm of male dominance. Empirical evidence provided some support for the dependence, submission, and transgression hypotheses.
Two paradigms pervade the policy debate on the causes of urban joblessness and poverty: (1) a structural, nonvoluntaristic perspective emphasizing the roles of urban economic change, residential segregation, and spatial and skills mismatches, and (2) a rational-choice, voluntaristic perspective contending that the generosity and ready availability of welfare programs have removed the incentive for poor persons to accept low-paying jobs. This article brings together propositions of each paradigm into a comprehensive theoretical model. The study measured and tested key causal operators of the model for a sample of 67 large U.S. cities, with special attention to race and gender.Results show that structural and welfare disincentive perspectives are not in conflict but rather operate side by side to reinforce joblessness and poverty. Race and gender, especially the role of urban space for women's work, are important. The article raises pertinent policy issues derived from the two perspectives and from the analysis.
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