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.
Involving your students in assessing the quality of their work can give them a clearer sense of the learning outcomes toward which they are working and can motivate them to learn.If your students are to assess the quality of their work, they must be able to answer three questions: The article Helping Students Understand Assessment from Educational Leadership by Jan Chappuis provides an overview of formative assessment and steps you can take in the classroom to help students assess their own work.