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A letter from Sidney Altman to Colleagues at Yale College, announcing the appointment of Mary Romero as Assistant Dean at Yale College.
A letter from Sidney Altman, Dean of Yale College to Colleagues at Yale College, announcing the appointment of Mary Romero as Assistant Dean at Yale College
Bland-Altman methods for comparing methods of measurement and response to criticisms
Introduced in 1983, Bland-Altman methods is now considered the standard approach for assessment of agreement between two methods of measurement. The method is widely used by researchers in various disciplines so that the Bland-Altman 1986 Lancet paper has been named as the 29th mostly highly cited paper ever, over all fields. However, two papers by Hopkins (2004) and Krouwer (2007) questioned the validity of the Bland-Altman analysis. We review the points of critical papers and provide responses to them. The discussions in the critical papers of the Bland-Altman method are scientifically delusive. Hopkins misused the Bland-Altman methodology for research question of model validation and also incorrectly used least-square regression when there is measurement error in the predictor. The problem with Krouwers' paper is making sweeping generalisation of a very narrow and somewhat unrealistic situation. The method proposed by Bland and Altman should be used when the research question is method comparison. © 202
Reviewing the question
Dr Miriam Altman, executive director at the HSRC, answers questions on employment and job creation following Minister Trevor Manuel's budget speech in Parliament.
Time to mobilise frustrated jobless youth
The recent attacks have been described as 'xenophobic' but should really be seen as an expression of frustration. It was a matter of time before large groups of angry marginalised people acted out, says Miriam Altman
Bench-to-bedside review: The importance of the precision of the reference technique in method comparison studies - with specific reference to the measurement of cardiac output.
Bland-Altman analysis is used for assessing agreement between two measurements of the same clinical variable. In the field of cardiac output monitoring, its results, in terms of bias and limits of agreement, are often difficult to interpret, leading clinicians to use a cutoff of 30% in the percentage error in order to decide whether a new technique may be considered a good alternative. This percentage error of +/- 30% arises from the assumption that the commonly used reference technique, intermittent thermodilution, has a precision of +/- 20% or less. The combination of two precisions of +/- 20% equates to a total error of +/- 28.3%, which is commonly rounded up to +/- 30%. Thus, finding a percentage error of less than +/- 30% should equate to the new tested technique having an error similar to the reference, which therefore should be acceptable. In a worked example in this paper, we discuss the limitations of this approach, in particular in regard to the situation in which the reference technique may be either more or less precise than would normally be expected. This can lead to inappropriate conclusions being drawn from data acquired in validation studies of new monitoring technologies. We conclude that it is not acceptable to present comparison studies quoting percentage error as an acceptability criteria without reporting the precision of the reference technique
Engaging Indigenous economy: a selected annotated bibliography of Jon Altman’s writings 1979‒2014
This annotated bibliography aims to summarise many of the themes to which Jon Altman, foundation director of the Centre for Aboriginal Economic Policy Research, has dedicated his career to date.
Abstract
\u27Engaging Indigenous Economy: A Selected Annotated Bibliography of Jon Altman’s Writings 1979–2014\u27 is published in conjunction with the conference ‘Engaging Indigenous economy: Debating diverse approaches’, convened at the Australian National University, 4–5 September 2014. The publication and conference coincide with Jon Altman’s retirement from the Centre for Aboriginal Economic Policy Research (CAEPR), where he was foundation director from 1990 to 2010. The annotated bibliography aims to summarise many of the themes to which Altman has dedicated his career to date, and is designed to be a navigational tool for paper presenters, conference delegates and others wishing to engage with Altman’s work.
The bibliography was written in conversation with Jon Altman and is structured around the six conference themes selected by conveners Kirrily Jordan, Tim Rowse and Will Sanders to reflect Altman’s writings: comparative modern hunter–gatherer studies; economic hybridity and alternate development; employment and labour markets; land rights and native title; sustainable land-based indigenous livelihoods; and neoliberalism or the return of the guardian state?
The bibliography has its basis in an earlier publication, The Hybrid Economy Topic Guide, prepared by Susie Russell as an element of the Australian Research Council Discovery project ‘Hybrid economic futures for remote Indigenous Australia: Linking poverty reduction and natural resource management’. In looking to update this topic guide in early 2014, a decision was made to considerably extend its coverage to encompass a far wider selection of Altman’s published research.
Given the breadth of Altman’s research over a long career, it has not been possible to include all of his published work; however, the bibliography covers a large proportion of his written contribution. Classification of works according to the conference themes has required judgments, as many publications could be allocated to more than one theme. The authors have sought to address the challenge of some inevitable arbitrary judgment by developing a set of keywords for each annotated item
Escape from Easter Island (Review)
Escape from Easter Island
(Les Evades de ['ile de Paques - Loin de Chile, vers Tahiti; 1944-1958)
by Marie-Francoise Peteuil
L'Harmattan, Paris (2004) 270 pages, ISBN 2-7475-7059-2
Review by Ann M. Altman PhD.</p
Jobs and the budget: easing poverty and unemployment
Over the past year or two, politicians have promised a 'developmental state', 'paradigm change', a 'new growth path', and 'decent work'. These forceful words demonstrate a desire by government to ease South Africa's widespread poverty and unemployment. The national budget is the clearest expression of government's policy intentions, writes MIRIAM ALTMAN.
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