Search for dissertations about: "instrumental variables"
Showing result 21 - 25 of 64 swedish dissertations containing the words instrumental variables.
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21. Essays on Estimation Methods for Factor Models and Structural Equation Models
Abstract : This thesis which consists of four papers is concerned with estimation methods in factor analysis and structural equation models. New estimation methods are proposed and investigated.In paper I an approximation of the penalized maximum likelihood (ML) is introduced to fit an exploratory factor analysis model. READ MORE
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22. Travel mode choice and sustainability: A psychological investigation of the use of a private car and car sharing services
Abstract : This thesis discusses the implications of research-based decision-making to develop socially robust technologies, policies, and urban planning in the transport sector, aiming for an inclusive and more sustainable transport system. What are the travel patterns of both users and non-users of car sharing and private cars in European cities? What are the main psychological aspects of and motives for making a travel mode choice? Study I presents a classification of motives considered as relevant when selecting a mode of transport, and it examines the relative importance of driving habits, car attitudes, descriptive norms, and motives for transport mode choices for commuting, shopping trips, child-related trips, and leisure trips. READ MORE
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23. Reading achievement : Its relation to home literacy, self-regulation, academic self-concept, and goal orientation in children and adolescents
Abstract : The studies in this doctoral thesis investigated how home literacy, self regulation, academic self-concept, and goal orientation influence reading ability. Study 1 investigated the effect of family-based prerequisites, reading attitude, and self-regulated learning on reading ability. READ MORE
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24. Where stars are born : Kinematics and photometry of starburst and postburst galaxies
Abstract : The understanding of the formation and evolution of galaxies will not be complete until we understand the physical processes that trigger and regulate starformation in them. This work is about star formation on several size scales. READ MORE
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25. Why do older adults seek emergency care? The impact of contextual factors, care, health, and social relations
Abstract : Background: Emergency department (ED) visits are becoming more prevalent globally. EDs provide care for acute health conditions, but some of these visits are driven by needs unmet by primary health care and social care for older adults, indicating ineffective social care and healthcare systems. READ MORE