This work investigates the connection among optical aspects of photographic composition and the quality, perception and interpretation of the level of realism of images. Therefore, to investigate this connection, an experiment was carried out in two steps: The first step consisted of performing analyzes of the optical or photographic contrasts of previously selected images. The second step was the elaboration of a questionnaire with 19 images selected in the first step, aiming to collect data about the perception and opinion of the users. Finally, the objective data from the first step was crossed with the subjective data from the second. The conclusion indicates evidence of the connection or convergence between images that obey the principles of photographic composition that are perceived as having better realism by the users. It is plausible to consider the importance of photo-graphic theory to image design for the users perceive the images as more realistic.
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The knowledge base for Social Work is strengthening. Underpinning of Social Work deriving from scientific research is necessary given the growing complexity of the work and its context. How this research should be conducted and to what type of outcomes it must lead, is part of an ongoing debate. In the Netherlands, practice-based research at Universities of Applied Sciences (UAS) is a relative new approach. Social Work research groups at UAS assert to conduct practice-based research in order to contribute to knowledge and support the objectives of Social Work. The current study was carried out to obtain insight into the characteristics of this research approach. A sample of publications was analysed in terms of knowledge purpose, methodology, and level and type of participation. Results show a strong focus on producing descriptive knowledge and to a lesser extent on control knowledge, using primarily qualitative research methods, and with limited direct participation by stakeholders. In order to practice more what they preach the research can strengthen by doing more empirical research, by diversifying the research in terms of design and methods and increasing the level of participation of stakeholders
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