Sökning: "Lena Sahlin"

Hittade 4 avhandlingar innehållade orden Lena Sahlin.

  1. 1. Moving Beyond Internal Affairs : Making Sense of Principals' Leadership Practices in Collaboration for School Improvement

    Författare :Susanne Sahlin; J OLa Lindberg; Lena Ivarsson; Helene Ärlestig; Michael Schratz; Mittuniversitetet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; beyond‐school collaboration; collaboration; leadership; leadership practices; organisation; principal; principal leadership; school leader; teacher.;

    Sammanfattning : The thesis takes its point of departure from the recent interest in collaboration and networking as major school improvement strategies and the school leader’s crucial role in these processes. Educational research indicates that if schools are to meet future demands, then leadership must rest on trust within the organisation and a principal’s leadership must be understood in the frame of professional collaboration and social learning. LÄS MER

  3. 2. The functional roles of the intra-oocyte phosphatidylinositol 3-kinase (PI3K) signaling in controlling follicular development in mice

    Författare :Krishna Rao Jagarlamudi; Kui Liu; Lena Sahlin; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; oocyte; PI3K signaling; primordial follicle; Obstetrics and gynaecology; Obstetrik och gynekologi; Developmental Biology; miljömedicinsk utvecklingsbiologi;

    Sammanfattning : The key functions of the mammalian ovary are the production of fertilizable oocytes and thesecretion of steroid hormones. At the time of birth the human ovary is composed of basic unitstermed primordial follicles. Primordial follicles are long-lived structures in the ovary and some ofthem last until the woman reaches menopause. LÄS MER

  4. 3. Roles of ERα and ERβ in Normal and Disrupted Sex Differentiation in Japanese Quail

    Författare :Anna Mattsson; Björn Brunström; Krister Halldin; Lena Sahlin; Uppsala universitet; []
    Nyckelord :Toxicology; sex differentiation; estrogen receptor; sexual behavior; endocrine disruption; Japanese quail; Toxikologi;

    Sammanfattning : Exposure to xenoestrogens during development has been shown to impair sexual differentiation in various species. The major aim of this thesis was to elucidate the respective roles of the two estrogen receptors ERα and ERβ in normal and disrupted differentiation of sex organs and copulatory behavior in the Japanese quail (Coturnix japonica). LÄS MER

  5. 4. Use or Misuse? : Addiction Care Practitioners’ Perceptions of Substance Use and Treatment

    Författare :Eva Samuelsson; Jan Blomqvist; Lena Hübner; Lisa Wallander; Ingrid Sahlin; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; substance use; treatment; practitioners’ perceptions; social services; regional healthcare; factorial survey; multi-level analysis; focus group interviews; discourse analysis; Sweden; Social Work; socialt arbete;

    Sammanfattning : The aim of this thesis has been to study boundary-making in addiction care practitioner’s perceptions of substance use and treatment. The four papers are based on three data collections in Swedish outpatient addiction care: a) a survey conducted in 2006 (n=655), b) a factorial survey using randomly constructed vignettes conducted in 2011 (n=474), and c) a focus group interview study from 2013 (n=30) with a sample of the respondents from the factorial survey. LÄS MER