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Sökning: LAR1:gu > Tidskriftsartikel > Blekinge Tekniska Högskola

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  • Aurum, Aybüke, et al. (författare)
  • Increasing the understanding of effectiveness in software inspections using published data sets
  • 2005
  • Tidskriftsartikel (refereegranskat)abstract
    • Since its inception into software engineering software inspection has been viewed as a cost-effective way of increasing software quality. Despite this many questions remain unanswered regarding, for example, ideal team size or cost effectiveness. This paper addresses some of these questions by performing an analysis using 30 published data sets from empirical experiments of software inspections. The main question is concerned with determining a suitable team size for software inspections. The effectiveness of different team sizes is also studied. Furthermore, the differences in mean effectiveness between different team sizes are investigated based on the inspection environmental context, document types and reading technique. It is concluded that it is possible to choose a suitable team size based on the effectiveness of inspections. This can be used as a tool to assist in the planning of inspections. A particularly interesting result is that variation in the effectiveness between different teams is considerably higher for certain types of documents than for others. Our findings contain important information for anyone planning, controlling or managing software inspections.
  • Erovic Ademovski, Seida, et al. (författare)
  • Comparison of different treatment modalities for oral halitosis
  • 2012
  • Ingår i: Acta Odontologica Scandinavica. - 0001-6357. ; 70:3, s. 224-233
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives. To assess the effects on intra-oral halitosis by a mouth rinse containing zinc acetate (0.3%) and chlorhexidine diacetate (0.025%) with and without adjunct tongue scraping. Materials and methods. Twenty-one subjects without a diagnosis of periodontitis were randomized in a cross-over clinical trial. Organoleptic scores (OLS) were assessed to define intra-oral halitosis by total volatile sulfur compound (T-VSC) measurements and by gas chromatography. Results. Twenty-one subjects with a mean age of 45.7 years (SD: ±13.3, range: 21–66). The OLS were significantly lower following active rinse combined with tongue scraping (p < 0.001) at all time points. Immediately after, at 30 min, and at day 14, the T-VSC values were lower in the active rinse sequence than in the negative rinse sequence (p < 0.001, p < 0.001 and p < 0.05, respectively). At 30 min and at day 14, the hydrogen sulfide (H2S) and methyl mercaptan (MM) values were lower in the active rinse sequence compared to the inactive rinse sequence (p < 0.001). The inactive rinse sequence with tongue scraping reduced T-VSC at 30 min (p < 0.001) but not at 14 days. Similar reductions in T-VSC, H2S and MM were found in the active rinse sequence with or without tongue scraping. Conclusion. The use of a tongue scraper did not provide additional benefits to the active mouth rinse, but reduced OLS and tongue coating index.
  • Erovic Ademovski, Seida, 1983-, et al. (författare)
  • The short-term treatment effects on the microbiota at the dorsum of the tongue in intra-oral halitosis patients : a randomized clinical trial
  • 2013
  • Ingår i: Clinical Oral Investigations. - 1432-6981. ; 17:2, s. 463-473
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives This study aims to assess the effects of rinsing with zinc- and chlorhexidine-containing mouth rinse with or without adjunct tongue scraping on volatile sulfur compounds (VSCs) in breath air, and the microbiota at the dorsum of the tongue. Material and methods A randomized single-masked controlled clinical trial with a cross-over study design over 14 days including 21 subjects was performed. Bacterial samples from the dorsum of the tongue were assayed by checkerboard DNA–DNA hybridization. Results No halitosis (identified by VSC assessments) at day 14 was identified in 12/21 subjects with active rinse alone, in 10/21with adjunct use of tongue scraper, in 1/21 for negative control rinse alone, and in 3/21 in the control and tongue scraping sequence. At day 14, significantly lower counts were identified only in the active rinse sequence ( p < 0.001) for 15/78 species including , Fusobacterium sp., Porphyromonas gingivalis , Pseudomonas aeruginosa , Staphylococcus aureus , and Tannerella forsythia . A decrease in bacteria from baseline to day 14 was found in successfully treated subjects for 9/74 species including: P. gingivalis , Prevotella melaninogenica , S. aureus , and Treponema denticola . Baseline VSC scores were correlated with several bacterial species. The use of a tongue scraper combined with active rinse did not change the levels of VSC compared to rinsing alone. Conclusions VSC scores were not associated with bacterial counts in samples taken from the dorsum of the tongue. The active rinse alone containing zinc and chlorhexidine had effects on intra-oral halitosis and reduced bacterial counts of species associated with malodor. Tongue scraping provided no beneficial effects on the microbiota studied. Clinical relevance Periodontally healthy subjects with intra-oral halitosis benefit from daily rinsing with zinc- and chlorhexidine-containing mouth rinse.
  • Fagerstrom, C., et al. (författare)
  • Factorial validity and invariance of the Life Satisfaction Index in older people across groups and time: : Addressing the heterogeneity of age, functional ability, and depression.
  • 2012
  • Ingår i: Archives of gerontology and geriatrics (Print). - 0167-4943. ; 55:2, s. 349-356
  • Tidskriftsartikel (refereegranskat)abstract
    • In the last decades, extensive research efforts have been directed at exploring life satisfaction in old age, and the Life Satisfaction Index A scale (LSIA), developed by Neugarten et al. in the 1960s, is one of the most commonly used instruments. However, studies have focused on predicting and comparing changes in people’s life satisfaction without testing if the LSIA instrument is equally valid for different subgroups of people. The present study investigated the underlying dimensions of the LSIA in a Swedish population (n=1402) of people 60?96 years of age. The study also examined factorial invariance across age, gender, functional ability and depression during a six-year period. The results showed that while a five-factor solution of the LSIA did not exhibit an acceptable fit to the data, a three-factor solution did show a close fit. The two three-factor models that demonstrated the best fit showed invariance across gender and across time, but noninvariance across groups with different levels of reduced functional ability, depressive symptoms and age. These findings suggest that the psychometric properties of life satisfaction instruments like the LSIA need to be taken into consideration before drawing conclusions about life satisfaction when comparing older people of different ages and with different depression and function levels. 
  • Johansson, Maria Eiman, et al. (författare)
  • Nurses' clinical reasoning concerning management of peripheral venous cannulae
  • 2009
  • Ingår i: JOURNAL OF CLINICAL NURSING. - 0962-1067. ; 18:23, s. 3366-3375
  • Tidskriftsartikel (refereegranskat)abstract
    • AIM: The aim was to describe nurses' clinical reasoning regarding peripheral venous cannulae management by focusing on the clinical information and circumstances considered during the decision-making process. BACKGROUND: On every shift nurses make several decisions, among others concerning the management of peripheral venous cannulae. Thrombophlebitis is a common complication associated with its use, although more severe complications can arise. There are clinical practice guidelines within the area, but they are not always adhered to. Previous studies have examined decisions related to the management of peripheral venous cannulae, but did not include observations in a naturalistic setting. DESIGN: A qualitative study combining observations and interviews. METHODS: Participant observation facilitated open interviews about the clinical reasoning behind decision-making in observed situations, as well as semi-structured interviews regarding clinical reasoning about the general management of peripheral venous cannulae. Transcribed interview texts were analysed with content analysis. RESULTS: Three main categories describe clinical information and circumstances: the individual patient situation, the nurse's work situation and experience of peripheral venous cannulae management. The overall theme of the interview texts was that the clinical reasoning was a balancing act between minimising patient discomfort and preventing complications from the peripheral venous cannulae. CONCLUSIONS: At all times the patients' well-being was considered, but the ways the nurses approached this differed depending on how they considered clinical information in the individual patient situation, circumstances in their own work situation and their experience of peripheral venous cannulae management. RELEVANCE TO CLINICAL PRACTICE: Knowledge of the clinical information and circumstances considered in naturalistic settings, is valuable when implementing and adjusting clinical practice guidelines to local settings. This knowledge is also useful in nursing education as student nurses' and nurses' ability to balance between preventing complications and avoiding discomfort is important for enhancing patient care.
  • Kuzniarz, Ludwik, et al. (författare)
  • 2007
  • Ingår i: International Journal of Computers and Applications. ; 2007:202
  • Tidskriftsartikel (refereegranskat)abstract
    • One of the basic activities within the software development process is the performing of model transformations. This work presents two techniques for realizing transformations of models expressed in the unified modeling language (UML). The techniques are in line with established approaches to systematically defining UML model transformations with object constraint language (OCL). Practical aspects of the definition and the implementation process are emphasized, followed by remarks on how the transformations can be used within the model driven architecture (MDA) approach to development of software systems. Advantages of the approach are highlighted.
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