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Background: Person-centered care is one of the nurse's core competencies where the nurse's role is to enable the patient's care based on participation and self-determination. According to research, person-centered care has positive effects such as higher quality of life, reduced cost and satisfaction in both patients and care staff. Despite this, the implementation of personcentered care is slow, which is most often referred to various obstructive factors such as lack of time and shortcomings in the work environment. Aim: The aim of the study was to investigate how nurses describe their experiences of person-centered care in psychiatric outpatient care. Method: The study was done with a qualitative design and the data collection took place through semi-structured interviews of eleven nurses at a psychiatric outpatient clinic. These interviews analyzed by inductive content analysis. Results: The overall category Person-centered care - opportunities and challenges shows that nurses' experiences of person-centered care are complex. The results of this study are presented through four subcategories. 1. With patient in focus. 2. Collaboration as a prerequisite for Participation. 3.To adapt and strive for good communication. 4. Organizational work and knowledge. Conclusion: Joint responsibility is required to provide person-centered care. Nurses cannot provide person-centered care on their own, but greater organizational change work is needed. On the other hand, specialist nurses in psychiatric care, with their in-depth care scientific knowledge, must be able to lead the nursing work based on the person-centered approach. Suggestions for further research: This study is important as it sheds light on knowledgegaps based on the nurses' previous experiences, while at the same time it sheds light on the specialist nurse's opportunities to develop person-centered care. Finally, more knowledge is requested in person-centered care, including communication, collaboration, participation and documentation with a focus on care plans.

<p>With the general engineering practices being followed for the development of scientific software, scientists are seemingly able to simulate real world problems successfully and generate accurate numerical results. However, scientific software is rarely presented in such a way that an external reviewer would feel comfortable in certifying that the software is fit for its intended use. The documentation of the software development - Requirements, Design and Implementation, is not being given the importance it deserves. Often, the requirements are improperly and insufficiently recorded, which make the design decisions difficult. Similarly, incomplete documentation of design decisions and numerical algorithms make the implementation difficult. Lack of traceability between the requirements, design and the code leads to problems with building confidence in the results.</p> <p>To study the problems faced during certification, a case study was performed on a legacy software used by a nuclear power generating company in the 1980's for safety analysis in a nuclear reactor. Unlike many other scientific codes of that time, the nuclear power generating company included a full theory manual with their code. Although the theory manual was very helpful, the documentation and development approach still needed significant updating. During the case study, 27 issues were found with the documentation of the theory manual, 2 opportunities to update the design and 6 programming style issues were found in the original FORTRAN code. This shows room for improvement in the documentation techniques in the development of scientific software based on a physical model.</p> <p>This thesis provides a solution to the certification problem, by introducing software engineering methodologies in the documentation of the scientific software. This work proposes a new template for the Software Requirements Specification (SRS) to clearly and sufficiently state the functional and the non-functional requirements, while satisfying the desired qualities for a good SRS. Furthermore, the proposed template acts as a checklist and helps in systematically and adequately developing the requirements document. For developing the design and implementation, this thesis introduces Literate Programming (LP) as an alternative to traditional structured programming. Literate Programming documents the numerical algorithms, logic behind the development and the code together in the same document, the Literate Programmer's Manual (LPM). The LPM is developed in connection with the SRS. The explicit traceability between the theory, numerical algorithms and implementation (code), simplifies the process of verification and the associated certification.</p> / Master of Applied Science (MASc)