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Träfflista för sökning "WFRF:(Jonsson Stefan) ;lar1:(oru)"

Sökning: WFRF:(Jonsson Stefan) > Örebro universitet

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1.
  • Albertsson-Wikland, Kerstin, 1947, et al. (författare)
  • Dose-dependent effect of growth hormone on final height in children with short stature without growth hormone deficiency
  • 2008
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 0021-972X .- 1945-7197. ; 93:11, s. 4342-4350
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT: The effect of GH therapy in short non-GH-deficient children, especially those with idiopathic short stature (ISS), has not been clearly established owing to the lack of controlled trials continuing until final height (FH).OBJECTIVE: The aim of the study was to investigate the effect on growth to FH of two GH doses given to short children, mainly with ISS, compared with untreated controls.DESIGN AND SETTING: A randomized, controlled, long-term multicenter trial was conducted in Sweden.INTERVENTION: Two doses of GH (Genotropin) were administered, 33 or 67 microg/kg.d; control subjects were untreated.SUBJECTS: A total of 177 subjects with short stature were enrolled. Of these, 151 were included in the intent to treat (AllITT) population, and 108 in the per protocol (AllPP) population. Analysis of ISS subjects included 126 children in the ITT (ISSITT) population and 68 subjects in the PP (ISSPP) population.MAIN OUTCOME MEASURES: We measured FH sd score (SDS), difference in SDS to midparenteral height (diff MPHSDS), and gain in heightSDS.RESULTS: After 5.9+/-1.1 yr on GH therapy, the FHSDS in the AllPP population treated with GH vs. controls was -1.5+/-0.81 (33 microg/kg.d, -1.7+/-0.70; and 67 microg/kg.d, -1.4+/-0.86; P<0.032), vs. -2.4+/-0.85 (P<0.001); the diff MPHSDS was -0.2+/-1.0 vs. -1.0+/-0.74 (P<0.001); and the gain in heightSDS was 1.3+/-0.78 vs. 0.2+/-0.69 (P<0.001). GH therapy was safe and had no impact on time to onset of puberty. A dose-response relationship identified after 1 yr remained to FH for all growth outcome variables in all four populations.CONCLUSION: GH treatment significantly increased FH in ISS children in a dose-dependent manner, with a mean gain of 1.3 SDS (8 cm) and a broad range of response from no gain to 3 SDS compared to a mean gain of 0.2 SDS in the untreated controls. 
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2.
  • Albertsson-Wikland, Kerstin, 1947, et al. (författare)
  • Growth hormone dose-dependent pubertal growth : a randomized trial in short children with low growth hormone secretion
  • 2014
  • Ingår i: Hormone Research in Paediatrics. - : S. Karger AG. - 1663-2818 .- 1663-2826. ; 82:3, s. 158-170
  • Tidskriftsartikel (refereegranskat)abstract
    • Background/Aims: Growth hormone (GH) treatment regimens do not account for the pubertal increase in endogenous GH secretion. This study assessed whether increasing the GH dose and/or frequency of administration improves pubertal height gain and adult height (AH) in children with low GH secretion during stimulation tests, i. e. idiopathic isolated GH deficiency.Methods: A multicenter, randomized, clinical trial (No. 88-177) followed 111 children (96 boys) at study start from onset of puberty to AH who had received GH(33) mu g/kg/day for >= 1 year. They were randomized to receive 67 mu g/kg/day (GH(67)) given as one (GH(67x1); n = 35) or two daily injections (GH(33x2); n = 36), or to remain on a single 33 mu g/kg/day dose (GH(33x1); n = 40). Growth was assessed as height SDS gain for prepubertal, pubertal and total periods, as well as AH SDS versus the population and the midparental height.Results: Pubertal height SDS gain was greater for patients receiving a high dose (GH(67), 0.73) than a low dose (GH(33x1), 0.41, p < 0.05). AH(SDS) was greater on GH(67) (GH(67x1), -0.84; GH(33x2), -0.83) than GH(33) (-1.25, p < 0.05), and height SDS gain was greater on GH(67) than GH(33) (2.04 and 1.56, respectively; p < 0.01). All groups reached their target height SDS.Conclusion: Pubertal height SDS gain and AH SDS were dose dependent, with greater growth being observed for the GH(67) than the GH(33) randomization group; however, there were no differences between the once-and twice-daily GH(67) regimens. (C) 2014 S. Karger AG, Basel.
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4.
  • Arora-Jonsson, Stefan, 1969-, et al. (författare)
  • Konkurrens som organisation
  • 2019
  • Ingår i: Organisation & Samhälle. - Stockholm : Föreningen Företagsekonomi i Sverige (FEKIS). - 2001-9114 .- 2002-0287. ; :1, s. 22-27
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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5.
  • Arora-Jonsson, Stefan, 1969-, et al. (författare)
  • Organizing a Competitive Logic in the Swedish School Market
  • 2019
  • Ingår i: Academy of Management Proceedings. - : Academy of Management. - 1543-8643. ; :1
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • A common assumption in organizational literature is that the “rules” by which organizations compete in a market emerge from processes of mutual adjustment among competitors to the constraints posed by market structures and institutions. While this may often be the case, we point the analytical gaze to the arguably prevalent but understudied case where the rules for competing are decided, i.e. result from an attempt at organizing by an organizer, rather than by mutual adjustment among competitors. We explore the formation and change of a competitive logic among Swedish upper secondary schools, using archival and interview data from two municipalities. We find how a broad-sweeping reform initially failed to shape a competitive logic, i.e. schools did not think they were competing. Over time, however, the idea of competing for students took hold, resulting in the organization of two very different competitive logics. Our findings speak to literatures that deal with institutional, geographical, and structural perspectives on competition, adding the notion of organizers as central actors in processes where competition forms and changes.
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6.
  • Bomark, Niklas, 1984-, et al. (författare)
  • Convincing Others That They are Competing : The Case of Schools
  • 2021
  • Ingår i: Competition. - Oxford : Oxford University Press. - 9780192898012 - 9780191924460
  • Bokkapitel (refereegranskat)abstract
    • The past decades have seen numerous attempts to introduce competition into new sectors of society, but we still know little about the processes by which competition is realized in a new setting. We study three decades of organizational efforts of a Swedish municipality that sought to introduce competition for students among its upper secondary schools following a national reform in the early 1990s. Our study shows that declaring competition was far from sufficient for its realization; the path to competition was lined with hesitation, uncertainty, and a rich variety of organizational challenges to be overcome. One particularly vexing challenge was to convince the principals of the schools that they should view each other as competitors for students. Our findings contribute to previous literature by demonstrating that competition need not be a prerequisite for choice; that several organizers of competition may operate at once; and, more generally, that competition is introduced through stepwise, piecemeal processes.
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7.
  • Bomark, Niklas, 1984- (författare)
  • Drawing Lines in the Sand : Organizational Responses to Evaluations in a Swedish University
  • 2016
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • As organizations are increasingly evaluated, evaluative practices are becoming central to organization theory. While highlighting how organizations may respond to evaluations, earlier work on organizations and evaluation has been limited to inter-organizational evaluations, such as third-party rankings or ratings. As a consequence, the prevailing perspective on organizational responses has been developed almost entirely based on an idea that what is being evaluated in the first place – the evaluation entities – is unproblematic. Acknowledging that the definition of the evaluation entity may be ambiguous prior to the evaluation, and that this definition might vary over time, some interesting areas of inquiry emerge in relation to current understandings of organizational responses to evaluations.First, it raises questions of how entities are defined in evaluations, and how this can be seen as an organizational response? Second, it raises questions about our current understanding of the dynamics of organizational responses and how organizational responses shape organizational adaptation and change. Third, it raises question about how entity definitions shape how organizations become evaluated. Despite recent interest in understanding organizational responses to evaluations, organizational scholars have largely refrained from entertaining these questions.The objective of this dissertation is to revisit the assumption of the unambiguously defined evaluation entity in the current theorizing on organizational responses to evaluations. An opportunity to investigate this question emerged when the oldest university in Sweden, Uppsala University, decided to carry out two large evaluations of the research activities within the university – in 2007 and in 2011. The evaluation was made public and aimed to identify and evaluate (partly through a rating) the research achievements of the departments of the university. This presented an opportunity to study organizational responses to evaluations in a setting that is different from what has been studied previously. Based on a study of 44 of the departments within the university my main finding show how entities are defined and how this can be seen as an organizational response to evaluations. My findings also show how entity definitions interact with the more traditional responses taken after an evaluation, and that entity definitions shape the evaluation of the department. This dissertation thus lends support for the idea that apart from responding by changing activities or their organizational units, organizations can also respond to evaluations by the way they shape what will be evaluated – the entities being subject for the evaluation. The findings in this dissertation holds consequences for organizational theory and the evaluation of organizations.
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8.
  • Bomark, Niklas, 1984-, et al. (författare)
  • Organisationsteoretiska perspektiv på skolsegregation
  • 2019
  • Ingår i: Segregation. - Stockholm : Riksbankens jubileumsfond i samarbete med Makadam förlag. - 9789170613036 - 9789170618031 ; , s. 59-70
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
    • Den här boken är resultatet av ett stort forskningsprogram som ve­lat utveckla den analytiska sociologins teoretiska och metodologiska grundvalar, och förbättra kunskapsläget gällande segregationsproces­ser i dagens Sverige. Jag vill framföra ett stort tack till Riksbankens Jubileumsfond (RJ) som beviljade oss ett mycket generöst anslag. Detta gjorde det möjligt för oss att bygga upp en excellent forsknings­miljö, först vid Institutet för framtidsstudier och sedan vid Institutet för analytisk sociologi, Linköpings universitet. Flera forskare inom forskningsprogrammet har intresserat sig för självförstärkande processer där framgångar leder till ytterligare fram­gångar, och anslaget från RJ illustrerar med all önskvärd tydlighet betydelsen av den här typen av processer. Medlen från RJ ledde till ytterligare anslag från andra forskningsfinansiärer och spelade en av­görande roll i den process som ledde fram till bildandet av Institutet för analytisk sociologi i Norrköping.Jag vill också uttrycka min stora tacksamhet till alla de forskare som medverkat i programmet, betydligt fler än de som kunde inklu­deras i denna bok. Ett särskilt tack går till Gunn Birkelund (Univer­sitetet i Oslo), Robert Mare (University of California, Los Angeles), David Sumpter (Uppsala universitet) och Petri Ylikoski (Helsingfors universitet) som spelat en avgörande roll för forskningsprogrammets utveckling. Ett stort tack går även till de medarbetare vid Linköpings universitet och vid Institutet för framtidsstudier som gjorde att alla administrativa bekymmer lyste med sin frånvaro och gjorde det möj­ligt för forskarna att uteslutande ägna sig åt sin forskning. Avslutningsvis vill jag även tacka Thomas Andersson, Jenny Björkman och Catherine Grimlund ­Träff för deras professionella re­digeringsarbete.
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9.
  • Jonsson, Stefan, et al. (författare)
  • Picking the low-hanging apples : The case of “reverse cream skimming” among Swedish private schools
  • 2018
  • Ingår i: Academy of Management Annual Meeting Proceedings. - : Academy of Management. - 0065-0668 .- 2151-6561. ; :1
  • Tidskriftsartikel (refereegranskat)abstract
    • An increasingly common practice across the world is to introduce private alternatives into publically funded education systems. Economists have found that following from this practice, private schools often engage in what is called “cream skimming”, where they attract solely the most highly able students and thereby worsen the socio-economic stratification of the education system. In this paper, we argue that under conditions where for-profit schools are allowed, but they only receive a flat voucher per student, the phenomenon of “reverse cream skimming” where private schools selectively target the least motivated students is a likely outcome. We show this to be the case in a quantitative analysis of admissions to the secondary schools in a Swedish municipality from 1999 to 2017. Implications for theories of how schools compete, public education policy, and for institutional theory are discussed.
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10.
  • Magnusson, Jesper, et al. (författare)
  • Weissella soli sp nov., a lactic acid bacterium isolated from soil
  • 2002
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 52:3, s. 831-834
  • Tidskriftsartikel (refereegranskat)abstract
    • Phylogenetic analysis of the 16S rRNA gene of bacterial isolates from garden soil showed relatedness to Weissella kandleri and Weissella confusa. However, the sequences had notable differences, and DNA-DNA hybridizations confirmed that the isolates are separate from these two species. The isolates could be further distinguished from all previously described Weissella species by electrophoretic analysis of whole-cell proteins, as well as by the results from different biochemical tests. The name Weissella soli is proposed for the new species, the type strain being Mi268(T) (= LMG 20113(T) = DSM 14420(T)).
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