Weighted averaging,Jeffrey conditioning and invariance

Jeffrey conditioning tells an agent how to update her priors so as to grant a given probability to a particular event. Weighted averaging tells an agent how to update her priors on the basis of testimonial evidence, by changing to a weighted arithmetic mean of her priors and another agent’s priors. We show that, in their respective settings, these two seemingly so different updating rules are axiomatized by essentially the same invariance condition. As a by-product, this sheds new light on the question how weighted averaging should be extended to deal with cases when the other agent reveals only parts of her probability distribution. The combination of weighted averaging (for the events whose probability the other agent reveals) and Jeffrey conditioning (for the events whose probability the other agent does not reveal) is a comprehensive updating rule to deal with such cases, which is again axiomatized by invariance under embedding. We conclude that, even though one may dislike Jeffrey conditioning or weighted averaging, the two make a natural pair when a policy for partial testimonial evidence is needed.     

The Long and Winding Road: Civil Repair of Intimate Injustice

Over the last decade, I have been trying to help fashion a new kind of critical social theory, one that can contribute to the new theoretical reflection and interpretation of social contestation and political action (Cohen 1982:xii) that such post-Marxist thinkers as Cohen and Seyla Benhabib (1986) called for two decades ago but that has seemed less and less ascertainable with the passing of time. Outlining a sociological approach to what I call the civil sphere of society, I have defined what I would like to think is a new object domain for sociology, one centering on the expansion and contraction of democratic solidarity. Through a series of conceptual elaborations and empirical investigations, I have begun to sketch out core components of this civil sphere. These cultural and institutional components are fundamentally ambiguous, and they form contradictory relations with the noncivil domains that surround the civil sphere.     

Managing ambiguity: between markets and managerialism - a case study of 'middle' managers in further education

Advocates of devolved and market oriented Education reform, point to the benefits from self determination which enhance both teacher and managerial autonomy. Critics refer, on the other hand, to the ways in which running education institutions on business and accounting principles have introduced a new managerialism (Clarke et al, 1994; Pollitt, 1990; Clarke and Newman, 1997), which has driven a wedge between lecturers and senior manager interests. In Further Education, according to Elliott (1996a), this finds expression in conflict between lecturers in defence of professional and pedagogic values, and senior managers promoting the managerial bottom line (Randle and Brady, 1994). The danger in polarising such interests in this way is that it presents a plausible, if not oversimplified, analysis of organisational behaviour as market forces permeate FE. If this paper concurs with many critics on the effects of the new managerialism, it departs company from a prevailing determinism which assumes an over controlled view of the FE workplace (Seddon and Brown, 1997). Despite evidence of widespread casualisation and deprofessionalisation in FE, this paper examines changing managerial cultures in the FE workplace, in this case among academic 'middle' managers, which suggests that managerialism is not as complete or uncontested as is often portrayed. The paper draws on an ESRC research project conducted by the authors (ESRC no. R000236713), looking at Changing Teaching and Managerial Cultures in FE, at a time when the sector is emerging from a series of funding crises associated with redundancies, industrial action, mismanagement and low morale at college level.     

A Trauma-Informed Model for Empowerment Programs Targeting Vulnerable Youth

Youth-led program development, organizing, research, and health promotion have been identified as an important practices for community practitioners. Since such practices target vulnerable youth, it is critical that such empowerment programs are trauma-informed. This paper addresses trauma, its potential impacts, and cultural differences in understanding trauma as well as the assumptions of empowerment and youth-led programming. The relationship between health and empowerment is described as well as how youth empowerment programs can specifically target symptoms of powerlessness, low self-esteem and interpersonal difficulties, commonly experienced by youth living in socially toxic environments. Implications for program development, research, and policy are considered.     

Unions and wages in Nevada’s hotel-casino industry

A significant union presence in the Las Vegas hotelcasino industry juxtaposed to the near absence of union representation in the Reno area provides a unique setting to study union wage effects in the industry. Results of the analysis using state wage survey data indicate that after controlling for unobserved heterogeneity in the two locations median wages in occupations in Las Vegas with substantial union coverage are 24 percent higher than wages in identical occupations in Reno.     

Assessment of a computerized medical record system: disclosing scripts of use

In the last two decades, empirical studies adopting a critical sociological approach to technology have shown how innovations are socially shaped, and how their introduction into human practices is often problematic. This paper describes how the Actor–Network Theory (ANT) can contribute to the evaluation of information technology. Results of the evaluation of a computerized medical record system implemented in four Quebec (Canada) hospitals are presented. The distribution of skills and tasks among nurses, physicians and managers (as implied by the design), and the use of the computerized medical record system proved highly problematic since they radically modified clinical practices. Theoretical and practical implications of using ANT as an evaluation framework are discussed.     

Attention to Multiple Cues During Spontaneous Object Labeling

It is well established that 2‐year‐olds attribute a novel label to an object’s global shape rather than local features (i.e., parts). Although recent studies have found that younger infants also attend to global rather than local features when given a label, the test stimuli in these experiments confounded parts and shape by varying both or neither. With infants (16‐ and 24‐month‐olds) and adults, this experiment disentangled shape and parts with appropriate test objects. Results showed a clear development of a strategy incorporating multiple cues. Across three age groups, there was an increase in generalizing labels to objects matching the exemplar’s local and global features (parts, base, and shape), and a decrease to objects matching in only one local feature. We discuss these results in terms of a learned flexibility in using multiple cues to predict lexical categories.