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.
Psychometric tests are standardised psychological measurements of knowledge, abilities, attitudes or personality traits. Psychometric tests have been extensively used in commercial, academic and educational settings for centuries and their popularity has continued to increase.sychometric tests are standardised psychological measurements of knowledge, abilities, attitudes or personality traits. Psychometric tests have been extensively used in commercial, academic and educational settings for centuries and their popularity has continued to increase.