68,654 research outputs found

    Application of participatory rural appraisal methods for action research on water management

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    Irrigation managementWater managementParticipatory rural appraisalWater usersSalinitySodic soilsWatershed managementFarmers' associationsWater users' associationsDeveloping countries

    Multiple perspectives on the concept of conditional probability

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    Conditional probability is a key to the subjectivist theory of probability; however, it plays a subsidiary role in the usual conception of probability where its counterpart, namely independence is of basic importance. The paper investigates these concepts from various perspectives in order to shed light on their multi-faceted character. We will include the mathematical, philosophical, and educational perspectives. Furthermore, we will inspect conditional probability from the corners of competing ideas and solving strategies. For the comprehension of conditional probability, a wider approach is urgently needed to overcome the well-known problems in learning the concepts, which seem nearly unaffected by teaching

    Agency, identity and learning at turning points in women's lives: A comparative UK-Italian analysis

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    This paper discusses the ways in which women aged 50, in two different cultural contexts (United Kingdom and Italy) narrate and portray turning points in their life course. Particular emphasis is put on the relationships between identity, learning and agency that emerge through work, family and life experiences. The reference paradigm is adopted from Narrative Learning Theory and the approach is qualitative and comparative in analysing the participant\u2019s voice. For the UK sample, the data sources are 16 semi-structured interviews, including drawings representing the life course, selected from the study deposited in the UK Archives Data under the \u201cSocial Participation and Identity\u201d project; for the Italian sample, the data sources are 28 semistructured interviews and drawings, based on the same selected items of the UK interviews and provided by women living in the North-East of Italy. This study will show how women\u2019s representations of their life course and of turning points in their lives reveal different propensities to reflect on and learn from their own lives. The comparative perspective highlights, through two-level analysis (micro and macro) and by contrasting cultural, relational and social contexts, variations in ways these women are enabled or restricted in moving their lives forward. The research also contributes to methodological insight into the use of drawings in elucidating life course narratives

    Rámec pro posouzení kvalitativních hledisek informačních systémů

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    Záměrem předložené disertační práce je porozumět tomu, jak investoři v konkrétním společenském kontextu vnímají význam kvality informačních systémů. Ze studia literatury zabývající se přístupy a rámci hodnocení kvality informačních systémů vyplývá, že tato kvalita je obecně hodnocena z hlediska striktního přístupu. V této práci je ukázáno, že kvalitu informačního systému lze smysluplně pochopit použitím interpretačního paradigmatu a že kvalita informačního systému je definována společensky a ovlivňována kontextem tohoto systému. Studie byla zahájena průzkumem dvaceti libyjských organizací. Podrobnější data byla získána z případové studie dvou vybraných libyjských organizací působících ve veřejném sektoru. Při empirické analýze nashromážděných dat bylo využito rámce mnohočetné perspektivy, který zahrnuje hlediska teorie strukturalizace, pojem mnohočetných perspektiv a metodologii měkkých systémů. V práci se dospělo ke zjištění, že: a) kvalita informačních systémů je pojata šíře, než je tomu u tradiční definice kvality, b) mnohočetné perspektivy kvality informačních systémů jsou ovlivněny opakovanou interakcí mezi investorem a institucionálními vlastnostmi kontextu informačního systému a že c) rozdílné hodnoty v kulturním prostředí a vnějším kontextu ovlivňují rozsah působnosti investora a interakce v kontextu informačního systému. Ze závěru práce vyplývá, že společenská skladba mnohočetných perspektiv kvality informačního systému je ovlivněna strukturalizačními procesy mezi investory a vlastnostmi v kontextu informačního systému.This thesis is concerned with understanding how stakeholders in a particular cultural context construct the multiple meanings of ‘Information Systems Quality’ (IS Quality). A review of literature on approaches and frameworks for IS quality shows that the IS quality is generally examined through a ‘hard approach’. This study demonstrates that IS quality can be meaningfully understood through an interpretive paradigm, and that IS quality is socially constructed and influenced by the IS context. The study began with an exploratory survey of twenty Libyan organizations. Data were gathered through a case study of two public sector organizations in Libya. A Multiple Perspective Framework (MPF) that incorporates ideas from structuration theory, multiple perspectives concept, and soft systems methodology (SSM) was used to analyze the empirical work. The findings revealed that: (a) IS quality is a broader conception than the traditional quality definition, (b) the multiple perspectives of IS quality are influenced by repeated interaction between the stakeholder and institutional properties in the IS context, and (c) mediation of different values in the culture system and in the external context influence the extent of stakeholder agency and interaction in the IS context. The study concluded that the social construction of multiple perspectives of IS quality is influenced by the structuration processes between stakeholders and properties in the IS context.

    Analysis of research methodologies for neurorehabilitation

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