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.
Self-selected; biased; the results show only the feelings of students who volunteer for the survey. 1. Identify the type of sample described. Then tell if the sample is biased. Explain your reasoning. A school newspaper posts an online survey on their website about the food served in the cafeteria.