Towards a Radical Critique of Social Work and Welfare Ideology

A radical critique of social work and social welfare is proposed, and an outline is given of the process of mystification that occurs when the field of social problems is dominated by a welfare or consensual approach rather than by a conflictual model. With this analytical framework, the role of the social work profession as an agency of social control is examined in terms of its contribution to the persistence of the existing socio-political order. Finally, the response of the profession is considered in relation to various minority and client groups organizing themselves for social action with a view to securing their civil and political rights.     

Assessing the transportation consequences of land use transformation in urban China

This paper assesses the accessibility and mobility consequences of urban land transformation in expanding Chinese cities. It defines transportation–land use connections in China's context and analyzes the accessibility and mobility uncertainties associated with current urban development themes, including the formulation of CBD, the development of satellite communities, and the evolution toward multi-center layout. This article points out that appropriate accessibility and mobility objectives are not well considered in land development, and current development themes tend to lengthen trips and lead to increased congestion in the context of growth and motorization. A strong national leadership is needed to help city governments integrate accessibility and mobility objectives into urban development.     

Copula, marginal distributions and model selection: a Bayesian note

Copula functions and marginal distributions are combined to produce multivariate distributions. We show advantages of estimating all parameters of these models using the Bayesian approach, which can be done with standard Markov chain Monte Carlo algorithms. Deviance-based model selection criteria are also discussed when applied to copula models since they are invariant under monotone increasing transformations of the marginals. We focus on the deviance information criterion. The joint estimation takes into account all dependence structure of the parameters’ posterior distributions in our chosen model selection criteria. Two Monte Carlo studies are conducted to show that model identification improves when the model parameters are jointly estimated. We study the Bayesian estimation of all unknown quantities at once considering bivariate copula functions and three known marginal distributions.     

Interblock information in multidimensional block designs

In many experimental situations, d-way heterogeneity among experimental units may be controlled through use of multiple blocking criteria. In some cases it is reasonable to regard some or all of the block effects as random. Then the model is mixed and observations within blocks are correlated. Very general estimators of treatment effects and their dispersion matrix with recovery of interblock information are provided. They apply to designs with d > 1 blocking criteria that may be crossed, nested, or a combination thereof. These general results may be specialized to provide analyses of new classes of MBD's or used directly for numerical analyses of designs in the general class, perhaps through use as the basis for very general computer programs. Estimation of variance components is discussed, and an example is provided to illustrate adaptation of the general results.     

The impact of right-to-work laws on employer unfair labor practice charges

The expected impact of right-to-work (RTW) laws on employer unfair labor practices is discussed within a resource allocation framework. How RTW laws affect the relative prices of different organizing tactics is also considered. Empirical analysis based on cross-sectional data for 1970, 1975, and 1980 shows that the impact of RTW laws on employer unfair labor practice charges is insignificant. Other variables that affect charge activity are also discussed in terms of their effect on employer/union organizing resource allocation decisions.     

Decision-making in extramarital relationships

A model was constructed and used to generate hypotheses regarding situational determinants, motives, and restraints affecting extramarital decision-making. Statistically significant differences between males and females were found on factors influencing extramarital sexual relationships. It was concluded that men have a greater expectation of personal involvement, are strongly influenced by perceived payoffs, and are more likely to respond to what they regard as justifications for their behavior. Women are more responsive to risks which they see as more likely to occur and to be more destructive. Avoiding hurt for themselves and others is an important consideration. Counseling implications are discussed.An earlier version of this article was presented at the national convention of the American Association for Counseling and Development, New York, NY, April, 1985.Ralph A. Meyering is a Professor of Counselor Education at Illinois State University, Elizabeth A. Epling-McWherter is a Executive Director, YWCA, Rock Island, IL 61201. Requests for reprints should be addressed to Dr. Meyering, Department of Specialized Educational Development, Illinois State University, Normal, IL 61761.     

Mathematical Modeling of Reproductive and Developmental Toxic Effects for Quantitative Risk Assessment

A new mathematical dose-response model for reproductive and developmental risk assessment is proposed. The model includes the possibility of an exposure threshold as well as a litter-size effect. Correlation of responses of offspring from the same litter is taken into account through the use of the beta-binomial distribution. Confidence limits for low-dose extrapolation are based on the asymptotic distribution of the likelihood ratio. An empirical comparison of the proposed procedure to that of Rai and Van Ryzin demonstrates the improvement that can be achieved with the new procedure.