Sökresultat

This thesis deals with students' constructions of mathematical knowledge in the case of fractions from a radical constructivist perspective. Fractions are the first more abstracted mathematics met by students. Even if they have a rich experience of sharing and partitioning things in their everyday life dealing with fractions often give rise to difficulties in school. The thesis consists of two p

Why is it considered more European to vote in the affirmative of the Euro than it is to vote against it? Why is not possible to be a populist and a ?Good European? at the same time? What makes an illegal immigrant different from a tourist? These questions all concern the limits of what it means to be, act and think as Europeans in Europe. In the political process of bringing the nations and people

En fältstudie på åtta mastarbetare utfördes under februari i Svealand och Norrland. Mastarbetarnas aktiviteter observerades under en vanlig arbetsdag i masten och hudtemperaturen på sju ställen på kroppen, kroppstemperatur och hjärtfrekvens registrerades kontinuerligt. De fick också skatta sin temperaturupplevelse och ansträngningsgrad flera gånger under dagen. Lufttemperaturen varierade mellan -1

Aim: The aim of this thesis was to investigate type, degree and patterns of health complaints, need for help and health-related quality of life across gender among persons aged 75?105 as well as to identify how patterns of health complaints, gender, age and socio-economic factors related to need for help with daily activities and quality of life (Paper I). The aim was also to investigate the preva

Architects design work sometimes originates from a simplified view of human demands and needs, which may result in environments that do not fulfill the users requirements. This thesis refers to five different case studies where the affected users were involved in the creation of their dwellings or working environment. The issue of the thesis is that participatory design creates environments which

The principal fate during litter decomposition and mineralization is rather well established only for a limited number of elements, mainly essential plant nutrients and a few potentially very toxic metals. Elements which occupy the majority of the positions in the periodical system seems almost unknown in this context. The objectives were, therefore to assess differences in the behavior of 58 mine

The aim of this thesis was to investigate self-reported diseases and complaints, quality of life (QoL), help received with activities of daily living among older people and in relation to who provided the help, and in comparison with those without ADL help. The aim was also to investigate older people’s experiences of receiving help. Data were collected using postal questionnaires in two populatio

The thesis is a broad attempt to analyse economic forces behind, and economic rationales for, institutions that constrain the organisation and operation of insurance companies. The basic task is threefold: (i) to develop institutional theory by providing an outline of a transaction cost explanation of the origin of, and the rationale for, institutions that constrain the organisation and the operat

Using ethnographical methods, this thesis examines the prevalence and character of an occupational culture among patrolling police in terms of frames of reference, conduct and attitudes, a culture which overrides or is in opposition to the official mandate of the police force. It is suggested that the occupational culture of the patrolling police should not be regarded as a homogenous culture but

The present study is based on interviews with 22 youth and young adults. The perspective is phenomenological, since my aim has been to analyse and describe the everyday world as it presents itself to these young people. A process begins in the encounter with the majority culture and the emphasis is on how they think about events and experiences along the road to a more complex life-world. The proc

This thesis work is concerned with the efficient layout and operation of substations, i.e. those district heating (DH) system units which connect the network and internal building heating systems, such as radiator heating systems and domestic hot water distribution networks. The ambition was to make realistic investigations closely related to practical technologies within the field. The themes of