The purpose of a full psychometric test is to determine a child’s level of cognitive functioning and to determine the possible presence of learning difficulties or exceptional abilities. Occasionally, a psychometric test will include only a test of cognitive functioning. Such tests are occasionally requested for application to specific schools. More often, a full psychometric test will include a combination of tests of cognitive functioning, attainment and diagnostic assessments by different professionals. This type of combined assessment is essential to ascertain the presence of learning difficulties such as dyslexia, ADHD, auditory processing disorders and autism.