Search for dissertations about: "Observational study"
Showing result 6 - 10 of 579 swedish dissertations containing the words Observational study.
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6. Prolonged passive second stage of labour in nulliparous women : A multi perspective study
Abstract : Aim: This study aimed to describe the prolonged passive second stage of labour in nulliparous women in relation to its prevalence, risk factors, birth outcomes, midwives’ intrapartum management, and women's birth experiences. Methods: Study I was a qualitative study in which 36 midwives participated in seven focus group discussions. READ MORE
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7. Geotechnical risk management using the observational method
Abstract : There have been many cost overruns, time delays and quality problems reported from geotechnical engineering projects around the world during recent decades. Many of the reported problems are associated with risks related to the geotechnical conditions. READ MORE
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8. Methods for improving covariate balance in observational studies
Abstract : This thesis contributes to the field of causal inference, where the main interest is to estimate the effect of a treatment on some outcome. At its core, causal inference is an exercise in controlling for imbalance (differences) in covariate distributions between the treated and the controls, as such imbalances otherwise can bias estimates of causal effects. READ MORE
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9. Observational Uncertainties in Water-Resources Modelling in Central America : Methods for Uncertainty Estimation and Model Evaluation
Abstract : Knowledge about spatial and temporal variability of hydrological processes is central for sustainable water-resources management, and such knowledge is created from observational data. Hydrologic models are necessary for prediction for time periods and areas lacking data, but are affected by observational uncertainties. READ MORE
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10. An Observational Study of Accretion Processes in T Tauri Stars
Abstract : This thesis is a detailed observational study of the accretion processes in T Tauri stars (TTS). The interaction between the central star, the circumstellar disk and the magnetic field gives rise to a wide range of features in the spectra of TTS. READ MORE