A social identity theory of leadership

A social identity theory of leadership is described that views leadership as a group process generated by social categorization and prototype-based depersonalization processes associated with social identity. Group identification, as self-categorization, constructs an intragroup prototypicality gradient that invests the most prototypical member with the appearance of having influence; the appearance arises because members cognitively and behaviorally conform to the prototype. The appearance of influence becomes a reality through depersonalized social attraction processes that make followers agree and comply with the leader's ideas and suggestions. Consensual social attraction also imbues the leader with apparent status and creates a status-based structural differentiation within the group into leader(s) and followers, which has characteristics of unequal status intergroup relations. In addition, a fundamental attribution process constructs a charismatic leadership personality for the leader, which further empowers the leader and sharpens the leader-follower status differential. Empirical support for the theory is reviewed and a range of implications discussed, including intergroup dimensions, uncertainty reduction and extremism, power, and pitfalls of prototype-based leadership.

The socio-religious beliefs and nature of the contemporary Vampire Subculture

The contemporary Vampire Subculture can be defined as a multi-faceted, socio-religious movement with its own distinct collective community and network of participants who share a similar belief system and customary lifestyle that reflect their concept of the vampire. The Vampire Subculture consists of individuals who profess to be 'real vampires', vampire communities of like-minded persons, 'blood-donors' who willingly allow vampires to partake of them, occult-based and mystical-orientated groups that appeal to their spirituality, the blood fetishists, and the live-action vampire role-players. In response, a Christian counter-movement of self-proclaimed 'vampire-slayers' has emerged that actively opposes the vampire subculture and its beliefs and practices. The socio-religious nature of the Vampire Subculture can be best described as a Segmented, Polycentric and Integrated Network of participants.

Review of Voices from the shopfloor: Dramas of the employment relationship,/by Anne-Marie Greene. Aldershot : Ashgate, 2001

This research monograph seeks, as the author puts it, ‘to demonstrate the utility of ethnographic research methods to industrial relations in the developing world’. To this end, the author provides case studies of two lock factories in the West Midlands of England, with data sourced from interviews and observations by the author during a period of two decades in the case of one, and a rather shorter period in the case of the other. The insights gleaned from these two case studies are then considered in the light of the ethnographic literature on industrial relations in the developing world. The body of the book comprises three main chapters which successively examine the issues of paternalism, gender and family, and collective action in the two factories.

Believing is not enough: Predicting support for the NTEU on an Australian campus

Asurvey-based field study was conducted with 232 members and nonmembers of the National Tertiary Education Union to investigate the psychological processes underpinning union support. Drawing on value-expectancy models and social identity/self-categorisation theory, this study investigated the role that both individual and grouprelated factors play in predicting attitudinal and behavioural support for the union. Variables investigated included instrumental and ideological attitudes, perceptions of a normative climate of union-support, and perceptions of higher education being under threat. Further to support for previous findings for the role of instrumental and ideological attitudes it was found that the perceived workplace norm had the anticipated direct effect on behaviour and evaluation and also moderated the behavioural expression of ideological and instrumental attitudes. The perception of threat to employment and higher education also directly impacted on behaviour and moderated the behavioural expression of ideological beliefs. The implications of these findings for collective action research will he discussed.

Clinical aspects of gestational trophoblastic disease: A review based partly on 25-year experience of a statewide registry

Background: Gestational trophoblastic disease is a fascinating group of pregnancy disorders characterised by abnormal proliferation of trophoblast, ranging from benign to malignant. Because the disease is uncommon, there is a need to formulate management with the assistance of collective information. Methodology: A review of available information from English written literature was undertaken especially data reported by registries around the world (Charing Cross Hospital in England, the North-western University and the New England area in the USA as well as our own experience in Queensland, Australia). Where possible, collated data from relevant studies were analysed to answer some of the questions posed in clinical practice, with reference to metastatic disease to liver and brain, twinning of molar gestation and coexisting fetus, and placental-site tumour. Results: We found that molar gestation can be classified according to its clinical presentation which influences the time taken to reach human chorionic gonadotropin (HCG) 'negativity' and the risk of persisting disease. Categorisation of risk is the basis for choice of chemotherapy to achieve good outcomes. Metastases to liver and brain remain problems in management; the development of 'new' metastases during chemotherapy is a very poor prognostic factor. In the variant of twinning with molar gestation and coexisting fetus, it is important to elucidate the fetal karyotype in planning management: a 69XXX fetus is not salvageable but a normal 46XX or 46XY fetus faces the prospect of early preterm delivery. The placental-site tumour is very rare; localised disease is curable by surgery; chemotherapy is less effective in disseminated disease. From collated worldwide data, the recurrence rate after one mole is 1.3% and after two or more is 20%. Reproductive outcome in subsequent pregnancies, even after multidrug chemotherapy, is not different from the general population. Because of the increased risk long-term of second tumours after multidrug chemotherapy a closer surveillance of these patients is necessary Conclusion: In general, the disease in its persisting or malignant form is 'a cancer model par excellence' because of an identifiable precursor condition, a reliable HCG marker, and sensitivity of the disease to cytotoxic drugs. With current management, retention of fertility is possible and normal reproductive outcome assured.

Wall mediated transport in confined spaces: Exact theory for low density

We present a theory for the transport of molecules adsorbed in slit and cylindrical nanopores at low density, considering the axial momentum gain of molecules oscillating between diffuse wall reflections. Good agreement with molecular dynamics simulations is obtained over a wide range of pore sizes, including the regime of single-file diffusion where fluid-fluid interactions are shown to have a negligible effect on the collective transport coefficient. We show that dispersive fluid-wall interactions considerably attenuate transport compared to classical hard sphere theory.

Levantamento te??rico sobre as causas dos insucessos das tentativas de reforma administrativa

O presente artigo tem como objetivo identificar e analisar os principais motivos apontados na literatura pertinente como causadores dos sucessivos e reiterados fracassos das tentativas de reforma da administra????o p??blica brasileira. As referidas tentativas foram empreendidas em 1938, quando da cria????o do Departamento Administrativo do Servi??o P??blico (DASP), durante a ditadura do Estado Novo; em 1963, quando Ernani do Amaral Peixoto foi designado ministro extraordin??rio para a Reforma Administrativa; em 1967, quando da edi????o do Decreto-Lei n?? 200, de 25/2/1967 e, tamb??m, em 1986, 1990 e 1995, nos Governos Sarney, Collor e Cardoso, respectivamente. Todas elas visavam, basicamente, a implantar a meritocracia na administra????o p??blica brasileira. Segundo os autores consultados, essas tentativas foram malsucedidas devido aos seguintes fatores: a quest??o da depend??ncia da trajet??ria, as caracter??sticas das organiza????es que dificultam a ocorr??ncia de altera????es institucionais, os elementos de natureza sociol??gica, o fato de a reforma administrativa ser bem p??blico sujeito a problemas de a????o coletiva e, finalmente, as peculiaridades do sistema pol??tico brasileiro.

Resenha de estudos sobre o executivo

Este artigo ?? uma resenha da literatura sobre o Executivo que discute o impacto dos sistemas parlamentarista e presidencialista na capacidade governamental de formular e implementar pol??ticas p??blicas. Ao longo do texto, busca-se identificar fatores que permitem ou bloqueiam o exerc??cio de uma fun????o coordenadora e unificadora de a????es, analisando a rela????o entre os poderes Executivo e Legislativo, a estrutura do poder Executivo e as rela????es entre o Executivo pol??tico e a burocracia. Os estudos sobre parlamentarismo enfocam: import??ncia dos partidos, papel dos ministros, extens??o do poder do primeiro ministro e papel coletivo do gabinete. J?? os trabalhos sobre presidencialismo v??o de pesquisas sobre o Congresso norte-americano, envolvendo infer??ncias estat??sticas e an??lises baseadas na teoria institucional a estudos de caso sobre a American Politics (presid??ncia e lideran??a). Apesar das diferen??as entre parlamentarismo e presidencialismo, a literatura indica que mecanismos institucionais de controle de agenda produzem os mesmos efeitos nos dois sistemas.

Organiza????o dos usu??rios, participa????o na gest??o e controle das organiza????es sociais

O artigo discute a participa????o dos usu??rios na gest??o das Organiza????es Sociais, prevista num projeto da reforma do aparelho de Estado atualmente em curso. A participa????o dos usu??rios na gest??o das institui????es p??blicas ?? um instrumento que pode resolver problemas da rela????o principal-agente, garantindo a implementa????o eficiente das pol??ticas. No projeto das Organiza????es Sociais, essa participa????o ?? viabilizada, entre outros meios, pela presen??a de entidades representativas da sociedade civil no Conselho de Administra????o da institui????o, pressupondo, portanto, a organiza????o dos usu??rios. Por essa raz??o, no artigo s??o analisadas as possibilidades de organiza????o dos usu??rios com base na abordagem da ???l??gica da a????o coletiva???.

Mecanismos societ??rios e contratuais de gest??o das sociedades estatais

As sociedades estatais s??o importantes organiza????es societ??rias, que podem servir ao administrador p??blico para a realiza????o de atividades econ??micas que configurem relevante interesse coletivo ou motivo de seguran??a nacional. Com a finalidade de adequarem-se aos limites de investimento p??blico e com vistas ao cumprimento do princ??pio da efici??ncia, elas podem utilizar-se de mecanismos societ??rios e contratuais de gest??o disponibilizados a empresas, sejam elas estatais ou privadas. Os movimentos societ??rios, os mecanismos de controle e partilha de controle e a ado????o das pr??ticas de governan??a corporativa s??o alternativas jur??dicas disponibilizadas aos administradores das empresas estatais. A an??lise do caso da Companhia Paranaense de Energia El??trica (Copel) ?? realizada no artigo com o prop??sito de auxiliar na visualiza????o da aplica????o de tais institutos.