erythema chroÂ´nicum miÂ´grans a ring-shaped erythema due to the bite of a tick of the genus Ixodes; it begins as an erythematous plaque several weeks after the bite and spreads peripherally with central clearing.
Making self-assessment a success. In order to self-assess effectively, students must have an understanding of the criteria that they gauge their performance against in order to be able to evaluate what makes a piece of work good or poor.aking self-assessment a success. In order to self-assess effectively, students must have an understanding of the criteria that they gauge their performance against in order to be able to evaluate what makes a piece of work good or poor.
What is important, and therefore should be assessed, is the learner's ability to organize, structure, and use information in context to solve complex problems.  1 Assessment should be deliberately designed to improve and educate student performance, not merely to audit as most school tests currently do..