Implications of Ethnic Identity Exploration and Ethnic Identity Affirmation and Belonging for Intergroup Attitudes Among Adolescents

The present paper develops and tests two temporal models of the relationships among adolescents' ethnic identity exploration, ethnic identity affirmation and belonging, and attitudes toward their racial/ethnic ingroup and outgroups. Structural equation models for Euro‐Americans, Asian Americans, and Latinos revealed that all hypothesized relationships were positive and significant. The model in which ethnic identity exploration (at Time 1) predicts ethnic identity affirmation and belonging (at Time 2) was superior to the alternative model in which the relationship between them was reversed (i.e., affirmation and belonging at Time 1 predicts exploration at Time 2). Results (1) support the importance of exploration as a basis for establishing a secure attachment to one's ethnic identity, which, in turn, has positive implications for attitudes toward one's own group and other groups and (2) suggest that maintenance of ethnic identity is compatible with positive attitudes toward ethnic outgroups.     

Ecological research can augment restoration practice in urban areas degraded by invasive species—examples from Chicago Wilderness

Urban biodiversity conservation needs a firm scientific foundation, one that draws upon active and regionally calibrated research programs. Until recently this foundation has not existed. In this paper we examine the way in which the emerging discipline of restoration ecology in an urban context can learn from the experiences of ongoing restoration projects and in turn how novel insights from research of urban soils can help these projects define and reach their goals. Limitations on collaboration between academic researchers and practitioners continues be problematic. We discuss a model whereby this impediment may be removed. A case study of Rhamnus cathartica, an invader of Midwestern woodlands which modifies some important soil ecosystem properties will be used to illustrate the potential for engagement between research and practice.     

Active‐controlled,non‐inferiority trials in oncology: arbitrary limits,infeasible sample sizes and uninformative data analysis. Is there another way?

In oncology, it may not always be possible to evaluate the efficacy of new medicines in placebo-controlled trials. Furthermore, while some newer, biologically targeted anti-cancer treatments may be expected to deliver therapeutic benefit in terms of better tolerability or improved symptom control, they may not always be expected to provide increased efficacy relative to existing therapies. This naturally leads to the use of active-control, non-inferiority trials to evaluate such treatments. In recent evaluations of anti-cancer treatments, the non-inferiority margin has often been defined in terms of demonstrating that at least 50% of the active control effect has been retained by the new drug using methods such as those described by Rothmann et al., Statistics in Medicine 2003; 22:239-264 and Wang and Hung Controlled Clinical Trials 2003; 24:147-155. However, this approach can lead to prohibitively large clinical trials and results in a tendency to dichotomize trial outcome as either 'success' or 'failure' and thus oversimplifies interpretation. With relatively modest modification, these methods can be used to define a stepwise approach to design and analysis. In the first design step, the trial is sized to show indirectly that the new drug would have beaten placebo; in the second analysis step, the probability that the new drug is superior to placebo is assessed and, if sufficiently high in the third and final step, the relative efficacy of the new drug to control is assessed on a continuum of effect retention via an 'effect retention likelihood plot'. This stepwise approach is likely to provide a more complete assessment of relative efficacy so that the value of new treatments can be better judged.     

Jewish Involvement in Shaping American Immigration Policy, 1881–1965: A Historical Review

This paper discusses Jewish involvement in shaping United States immigration policy. In addition to a periodic interest in fostering the immigration of co-religionists as a result of anti-Semitic movements, Jews have an interest in opposing the establishment of ethnically and culturally homogeneous societies in which they reside as minorities. Jews have been at the forefront in supporting movements aimed at altering the ethnic status quo in the United States in favor of immigration of non-European peoples. These activities have involved leadership in Congress, organizing and funding anti-restrictionist groups composed of Jews and gentiles, and originating intellectual movements opposed to evolutionary and biological perspectives in the social sciences.     

Separate and Unequal: The Housing Act of 1968 and the Section 235 Program

In recent years scholars have identified racial disparities in wealth and home ownership as crucial factors underlying patterns of racial inequality and residential segregation in American metropolitan housing markets. While numerous federal housing policies have been identified as responsible for reinforcing residential segregation and racial inequalities in home ownership, little research has focused on the segregative effects of the Section 235 program. As one component of the 1968 Housing Act, Section 235 was designed to shift the focus of federal housing policy away from dispensing aid to local housing authorities for building public housing to providing direct supply-side subsidies to the private sector to stimulate home ownership for nonwhites and the poor. Archival and census data, government reports and housing analyses, and oral histories and interviews are used to examine the segregative effects of the Section 235 program in Kansas City, Missouri from 1969 through the early 1970s. Findings indicate that while the housing subsidy program allowed a vast majority of participating white families to purchase new housing in suburban areas, most participating African American families purchased existing homes located in racially transitional neighborhoods in the inner city. These findings corroborate recent research showing how the market-centered focus of federal housing policy has impaired the ability of African Americans to accumulate wealth through home ownership and reinforced racially segregative housing patterns.     

Siting Noxious Facilities: A Test of the Facility Siting Credo

Over the past decade it has become increasingly difficult to site noxious facilities, despite the fact that there is a growing need to do so. To address this problem, a set of guidelines for a fairer, wiser, and more workable siting process—the Facility Siting Credo—was developed during a National Facility Siting Workshop in 1990. This paper presents an empirical test of these guidelines. A questionnaire based on the Credo was completed by stakeholders in 29 waste facility siting cases, both successful and unsuccessful, across the United States and Canada. Using an independent determination of outcome (success), a preliminary ranking of the importance of various Credo principles was obtained. The data reveal that establishing trust between the developer and host community is an important factor in facilitating the siting process. The siting process is most likely to be successful when the community perceives the facility design to be appropriate and to satisfy its needs. Public participation also is seen to be an important process variable, particularly if it encourages a view that the facility best meets community needs. Moreover, a siting process where communities volunteer to host facilities is an approach that holds promise for meeting many of these key success criteria.     

Ethics Creep: Governing Social Science Research in the Name of Ethics

This article presents an analysis of the Canadian ethics review process by a member of a Research Ethics Board. The author suggests that the new formal system for regulating the ethical conduct of scholarly research is experiencing a form of ethics creep. This is characterized by a dual process whereby the regulatory system is expanding outward to incorporate a host of new activities and institutions, while at the same time intensifying the regulation of activities deemed to fall within its ambit. These tendencies are demonstrated through an analysis of: 1) the scope of research ethics protocols, 2) the concept of harm employed by these boards, 3) the use of informed consent provisions, and 4) the presumption that research participants will remain anonymous. To accentuate the nature of this ethics creep, comparisons are made between the ways in which identical knowledge generation activities are governed within journalism and the academy. The conclusion suggests that one effect of the increasingly formalized research ethics structure is to rupture the relationship between following the rules and acting ethically. Some of the reasons for this creep are highlighted along with the risks that it poses for scholarship.     

Titin--springing back to youth?

Mutations in the muscle protein titin have been linked to dilated cardiomyopathy, a condition in which the heart chambers are enlarged and blood is ineffectively pumped, in humans and in animal models. This protein, which is a component of sarcomeres, provides essential scaffolding for other muscle proteins and acts as a spring to confer passive elasticity on the cardiomyocyte. Several titin isoforms exist, and they display varying size and degrees of elasticity. We review two interesting reports that show how variations in titin isoforms might be implicated in cardiac failure.