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61.
Leadership assessment has been a particular point of difficulty for contemporary scholarship, with many practitioners rejecting academically-driven leadership instruments and scales and preferring their own, less rigorous, scales. We believe that current conceptualizations and measurements of leadership are problematic, indicated by contemporary challenges that can be widely understood as failures of leadership (e.g. the Australian Banking Royal Commission and Volkswagen's ‘Dieselgate’). Also, how effective leadership is measured needs to change. This paper presents a systematic review of 17 leadership scales developed in the new millennium. The majority of scales lack some degree of rigor. Our response has been to conduct eighteen critical checks over four stages of scale development: theory generation, item development, content validity, and empirical evaluation. On the premise that understanding past practices, with their limitations, can be used to drive forward a suite of more effective organizational tools, we provide best practice recommendations using contemporary psychometric research. 相似文献
62.
Nicholas Crawford 《Slavery & abolition》2016,37(2):353-374
This article traces how debates over the ability of indebted West Indian planters to adequately provision their slaves influenced the politics of slavery in the British Empire in an era of abolitionism and amelioration projects. Specifically, the article examines the promulgation of colonial laws establishing priorities for debts incurred for the purchase of slave provisions over mortgage debts in the late-eighteenth and early-nineteenth centuries. Debt-priority laws and contemporary responses to them suggest the ways in which both proslavery and antislavery interests defined and contested the moral as well as material dimensions of West Indian commerce and finance. A detailed quantitative case study provides information on provisioning and other expenses on two Tobago sugar estates (1807–1815). 相似文献
63.
Anne Nordberg Marcus R. Crawford Regina T. Praetorius Schnavia Smith Hatcher 《Child and Adolescent Social Work Journal》2016,33(2):137-149
Recent deaths by police of unarmed minority youth have raised important questions about the nature and outcomes of involuntary minority youth-police encounters. Youth are the most surveilled group of Americans and minority youth frequently live in neighborhoods disproportionately targeted for proactive policing (i.e., using broad police discretion to “target” those most likely to be engaged in criminal activity before criminal acts become apparent). Understanding the experiences of minority youth who encounter police officers is of critical concern for social workers in many practice and research areas. Social workers must examine how a minority person’s perceptions are formed through repeated, frequent, involuntary encounters with the police. The purpose of this qualitative interpretive meta-synthesis was to capture these experiences through the voices of minority youth in recounting their contacts with the police. Four themes were identified: dangerous, controlling, prejudiced, and ineffective. Further reduction of these themes resulted in an overarching theme that captures the essences of these youth’s experiences: dehumanization. These results enhance understanding of minority youth experience with police officers and, thus, inform social work advocacy efforts around this issue in both practice and research arenas. 相似文献
64.
Over recent decades research has confirmed the sensible belief that to participate in criminal proceedings (that were designed for adults) child witnesses may benefit from support and preparation. This is so even in countries where special measures have been introduced to make it less arduous for children to give their testimony (e.g. closed circuit television to allow children to testify away from the actual courtroom; video recorded evidence‐in‐chief). Indeed, it could be argued that as more and more children provide testimony (e.g. as alleged victims or witnesses), the more comprehensive should be preparation and support programmes for them. However, while in some countries preparation and support programmes are now offered to such children, the needs of these children's (non‐offending) parents/caregivers seem to be ignored. This paper contends not only that these adults need preparation and support but also that the provision of this is likely to benefit child witnesses. Copyright © 2006 John Wiley & Sons, Ltd. 相似文献
65.
Alan N. Crawford 《Intercultural Education》2002,13(4):375-389
In this paper, we look at US experiences with bilingual education, both past and present. We especially focus on various theoretical models and their applications. After a discussion of these models and applications, we identify a number of best practices. 相似文献
66.
67.
Community acceptance of the mentally ill is fundamental to a successful change to community-based care, now being implemented in New South Wales. This policy was based on an inquiry that viewed acceptance optimistically and postulated that contact with the mentally ill would be a favourable influence. The applicability of this extension of the ‘contact hypothesis’ from its original racial context is tested in one area of Sydney. The results indicate that the type of contact arising from community mental health facilities is not an effective catalyst of relevant attitude change, and suggest particular difficulties among the lower two socioeconomic classes. 相似文献
68.
In this paper we develop a unified approach to modeling and simulation of a nonhomogeneous Poisson process whose rate function exhibits cyclic behavior as well as a long-term evolutionary trend. The approach can be applied whether the oscillation frequency of the cyclic behavior is known or unknown. To model such a process, we use an exponential rate function whose exponent includes both a polynomial and a trigonometric component.Maximum likelihood estimates of the unknown continuous parameters of this function are obtained numerically, and the degree of the polynomial component is determined by a likelihood ratio test. If the oscillation frequency is unknown, then an initial estimate of this parameter is obtained via spectral analysis of the observed series of events; initial estimates of the remaining trigonometric (respectively, polynomial) parameters are computed from a standard maximum likelihood (respectively, moment-matching) procedure for an exponential-trigonometric (respectively, exponential-polynomial) rate function. To simulate the fitted process by the method of thinning, we present (a) a procedure for constructing an optimal piecewise linear majorizing rate function; and(b)a "piecewise thinning" simulation procedure based on the inverse transform method for generating events from a piecewise linear rate function. These procedures are applied to the storm-arrival process observed at an off-shore drilling site. 相似文献
69.
David R. Crawford 《Mobilities》2014,9(2):294-313
In Bangladesh, overseas labor migration plays a vital role in the development strategy promoted by government agencies, international donor organizations and civil society organizations. Civil society organizations facilitate the migration process, respond to exploitation facing migrants while overseas and assist migrants upon their return to Bangladesh. Organizations in Bangladesh are pursuing a ‘transnational project,’ whereby their activities, missions, and objectives are now focused around transnational work in order to assist migrants. The transnational project is driven by foreign development agencies and the legitimating actions of local migrant organizations. This paper demonstrates the different ways transnationalism has moved from a radical concept to a banal development practice, by critically analyzing contemporary development practices of migrant civil society organizations in Dhaka, Bangladesh. Also addressed are the implications of the transnational project on migrant organizations, development, and migrant political inclusion, arguing that the transnational project creates new power structures and paradoxes within organizations. 相似文献
70.
This study tests the possibility that attitudes to people with disabilities can be divided into two types: attitudes at the societal level and attitudes at the personal level. This distinction was made with the aim of clarifying ambiguities from previous research. One test of the proposed distinction rests on the assumption that personal contact with people with disabilities will influence attitudes at the personal level but not at the societal level. Sixty subjects were assigned to either a control group or intervention groups which experienced interventions involving a person with a disability. The attitudes of all subjects were measured one month before and at the time of the intervention. Data on prior contact were also collected. The results, which supported the two level approach, are discussed in terms of their implications for improving attitudes to people with disabilities. 相似文献