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The content in this study is about special educational guidance and how it contributes to inclusion through development of a differentiated instruction (DI). The study is based on previous research in three areas: inclusion, differentiated instruction and special education guidance. The concepts are defined and delimited based on national and international research. The research questions include difficulties faced by teachers in planning and the implementation of differentiated instruction in practice and how this work can be supported by special education guidance. The theoretical starting point is practice architectures (Kemmis et al., 2014). In the analysis even dilemma perspective (Nilholm, 2005; 2007) is used.  Action research is used as method and thematic analysis is used to analyse the empirical material. The thematic analysis shows that the teacher experienced pupils´ participation, and their different levels were challenging. The thematic analysis also showed that the special educator in the supervision used five strategies to support the teachers. The discussion includes dilemmas that are identified in the study from a techer perspective: the requirement for goal fulfillment versus pupils´need and conditions, percieved lack of time versus developing a differentiated a differentiated instruction and limitations in possibilities to organize teaching according to pupils´needs and conditions. In addition, special educational guidance and dilemmas are discussed and how supervison practice is affected by and shaped in an unequal school system.

<p>The inclusions are harmful to the steel cleanliness; process parameters such as stirring and steel and slag oxidation must be controlled to obtain a final number of inclusions in the steel whose size is smaller than the critical size for each steel product.</p> <p>A simple mathematical model was developed to analyze the impact of bubbling, slag and initial oxidation level on inclusion distribution control (quantity and size of them) during the process in a Ladle Metallurgy Furnace (LMF).</p> <p>The initial inclusion size distribution is calculated and adjusted with the samples analyzed by SEM-EDAX, this initial distribution decreases by removal mechanisms such as bubbling and slag and they can increases by reoxidation.</p> <p>The model allows predicting the inclusion removal by bubbling mechanism as a function of gas flow rate and inclusion size and it proves which a softer stirring is better for removal inclusion than stronger one. An interesting point analyzed is the effect of stirring level on small and large inclusions.</p> <p>According to the inclusion number removal by slag, it is possible to appreciate like larger inclusions are removed easier than smaller ones. This mechanism is the most important to remove inclusions calculated by this model.</p> / Master of Science (MSc)