In response to an unknown trigger, the immune system may begin producing antibodies that instead of fighting infections, attack the body's own tissues. Treatment for autoimmune diseases generally focuses on reducing immune system activity.
What's taught in school. Some of the items in standardized achievement tests measure the knowledge or skills that students learn in school. In certain subject areas, such as mathematics, children learn in school most of what they know about a subject.
: a number used to express the apparent relative intelligence of a person based on the results of standardized testing: asa: the ratio of the mental age (as reported on a standardized test) to the chronological age multiplied by 100b: a score determined by one's performance on a standardized intelligence test relative to the average performance of ...