The exponential distribution analog of the Grubbs–Weaver method

Abstract

Grubbs and Weaver (1947 Grubbs, F. E., and C. L. Weaver. 1947. The best unbiased estimate of population standard deviation based on group ranges. Journal of the American Statistical Association 42 (238):224–41. doi: 10.2307/2280652.[Taylor & Francis Online], [Web of Science ®] , [Google Scholar]) suggest a minimum-variance unbiased estimator for the population standard deviation of a normal random variable, where a random sample is drawn and a weighted sum of the ranges of subsamples is calculated. The optimal choice involves using as many subsamples of size eight as possible. They verified their results numerically for samples of size up to 100, and conjectured that their “rule of eights” is valid for all sample sizes. Here we examine the analogous problem where the underlying distribution is exponential and find that a “rule of fours” yields optimality and prove the result rigorously.     

Young people and the gendered and aesthetic dimensions of ‘enterprise’: stories from a ‘Rust Belt’ city

ABSTRACT

In the ‘Rust Belt’ city of Geelong in Victoria, Australia, discourses of young people’s enterprise and innovation provide a counter-narrative to the prevailing material and symbolic consequences of industrial decline, job losses, and the growing insecurity of employment and income. GT Magazine is a weekly, large circulation magazine in Geelong with a significant focus on the activities and aspirations of enterprising young people. In this paper, we examine, by utilising techniques of content analysis and discourse analysis, the particular ways in which young people’s innovation and enterprise are framed and enacted in GT Magazine. Our analysis reveals that ‘youth’ and ‘enterprise’ are, in GT Magazine, given an embodied form that is powerfully marked by aestheticised, normalised enactments of gender, class and race. In doing this work, we make productive contributions to three key themes in contemporary youth studies: new work orders and the youthful self as enterprise; the gendered and aesthetic dimensions of affective labour in these new work orders; and the emerging spatial turn to examine young people's embodied, place-based experiences of employment and enterprise. We seek to make problematic the sense that solutions to multiple disruptions and crises in capitalism and the environment are to be found in young people’s enterprise. Particularly when that enterprise is given form in ways that are aestheticised, gendered, classed, individualised and responsibilised.     

Channeling advocacy? Assessing how funding source shapes the strategies of environmental organizations

ABSTRACT

All non–governmental organizations (NGOs) rely on funding to support their work. But how does the source of funding shape the types of advocacy groups engage in? Using novel panel data collected by the Environmental Funders Network, this research examines how funding from government, foundations, business, and members shape the advocacy work of environmental NGOs (ENGOs) in the UK. Past research suggests that elite funding sources channel groups into institutional advocacy, such as lobbying or litigation, and away from public advocacy, such as protesting. This paper confirms previous research while also showing that all types of funding channel group actions. Foundation and business funding is associated with more institutional advocacy, government funding is associated with non–political advocacy such as species conservation, and member funding is associated with public advocacy. By comparing across funding types, this study demonstrates the ways in which groups are both helped and hindered by funding from different sources.     

Examining risk and protective factors on progression of romantic relational aggression among young adults: Parental control,parental care,and peer social support

Abstract

Romantic relational aggression is related to numerous mental health consequences but risk and protective factors of perpetrating this type of aggression, historically, have been unclear. This study fills in the research gap by evaluating the impact of parental control, parental care, and peer social support on later perpetration in romantic relational aggression among 84 predominately Chinese college students. Results revealed the positive association between parental control and perpetration in romantic relational aggression, however, this association diminished in the presence of high peer social support (HSS). Despite insignificance in the main effect, parental care was negatively correlated with later perpetration in romantic relationship in the HSS group while a positive association was found in the low peer social support (LSS) group. These highlights provided evidences how parental control and parental care during childhood could be risk factors for later romantic relational aggression as well as how current social support from peer could serve as a protective factor on the negative influence from parent–child relationships.     

Queering Canadian Social Work Accreditation standards and procedures: a content analysis

ABSTRACT

This paper reviews and critically analyzes the Canadian Association for Social Work Education—Association Canadienne Pour La Formation En Travail Social’s (CASWE-ACFTS’) Accreditation Standards and Procedures from a Sexual Orientation Gender Identity and Expression (SOGIESC) lens to examine how such are addressed in relevant documents. The CASWE-ACFTS Queer Caucus undertook a lead role in examining ‘diversity’ in the documents as it serves as an umbrella term for SOGIESC and other intersecting positionalities. This paper iterates an initial response in the CASWE-ACFTS Queer Caucus’ ongoing consultation with the CASWE-ACFTS’s Education Policy Committee’s work on Education Policy and Accreditation Standards 2019 (EPAS2019). The content analysis of the documents reveals that SOGIESC issues are not adequately addressed and this has implications for undergraduate and graduate social work curricula in Canada. The authors provide recommendations that address the integration of SOGIESC in CASWE-ACFTS’s Accreditation Standards and Procedures documents.     

Towards standardization of field work practicum: experiential reflections from Delhi,India

ABSTRACT

Field work is the signature pedagogy of social work. As a central form of instruction, it enables the course of learning by enabling the students to perform the role of practitioner. Field work contains pedagogical norms with which students learn to connect and integrate theory and practice. The current paper delineates the pedagogy of field work practicum in the Indian context and attempts to explore the challenges in transaction of field work curriculum with respect to placement agencies, at the levels of supervisor and supervisee and the ever evolving and dynamic relationship between the two. Based on authors’ experiential accounts, the paper recommends few strategies for enhancing the scope of professional growth and learning within the broad realms of field work placement.     

Social work stories: situated views and larger visions in disciplinary scholarship and education

ABSTRACT

This paper is about the changing imaginations of social work in an increasingly entangled world. It is also about the ways in which literatures shared across time and space encourage us to identify with larger collectivities. My central argument is that if social work is to find a larger vision in the wake of the failure of a range of modern progress narratives, we must engage differently with the challenge posed by multiplying and sometimes conflicting knowledge communities. Thinking with contemporary debates in transdisciplinary critical social theory, I nominate and explore a number of alternative heuristics—‘generational problematic,’ ‘translational space,’ and ‘imagined communities’—in support of future work on the uneven temporal and spatial communities of affiliation that reproduce and change what social work is, or could be, about. I conclude with theoretical suggestions, and some thoughts toward how social work education might better support incoming generations to locate themselves within the broader life-course of the discipline and profession.     

Young people,social workers and social work education: the role of digital skills

ABSTRACT

This paper addresses a key issue in the development of youth-focused social work: the role of digital skills in the relationship between young people and social workers who work with these native digital users. To this end, we analysed data from the International Digital Economy and Society Index 2019 and Eurostat. Information from the sixth European Working Conditions Survey and a survey conducted by the Social Care Institute for Excellence and the British Association of Social Workers supported the empirical analysis. The main findings reveal a gap between the level of digital skills required in the labour market and the actual level of digital skills in both young people and social workers, despite efforts by both groups to improve their skills. Initiatives to foster digital skills are therefore recommended to bridge this digital divide. Lastly, it was concluded that both groups could act as mutual drivers of digital transformation.     

“A stitch in time”: group work during the covid-19 scare in the Nicobar Islands,India

ABSTRACT

When India suddenly went into its first coronavirus-induced nationwide lockdown in March 2020, several members of a historically isolated indigenous community in the eastern Indian ocean- the Nicobarese, began to panic. Their leaders came together and formed a group to boost community solidarity and helped the vulnerable indigenes to safely navigate through the crisis. In these uncertain times of Covid-19, when the “modern” world appears more fissured than ever, leaving its “others” to fend for themselves; the Nicobarese’s group has set an example for everyone to follow.