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Grinding or shaving - economic decision support in the production of gears

This paper describes a case study at an automotive company with the purpose ov developing an economically based decision support tool, for strategic decision about wheather to chose grinding or shaving as a finishing method in gear manufacturing. In the study different cost models are compared regarding input parameters in alignment with the required input data required to make a decision. With th

Model-Based Course Assessment – Principles and Practice

This paper presents the concepts of model-based course assessments. This involves a mathematical model to define the grading scheme of a course, based on a set of items to be scored. We report lessons learned from using this approach. An important conclusion is that model-based assessment promotes clear definitions of assessment criteria.

How do different combinations of the number of diseases and experienced symptoms relate to life satisfaction in 80-year-olds?

Objectives: This study explores how different combinations of the number of diseases and experienced symptoms are related to life satisfaction in a population of 296 eighty-year-olds in southern Sweden. Methods: Three different models, visualizing different health profiles, in the form of reported number of diseases and number of experienced symptoms in different combinations were created and are