A single test can't diagnose dyslexia. Rather, your doctor or a school professional (such as a reading specialist) will ask you what signs of dyslexia you and your child's teachers have seen.He or she will ask your child questions too.Reading tests and other types of assessments may be done to help find out more about your child's skills.For example, tests may include those that focus on your child's learning style, language and problem-solving skills, and intelligence quotient (IQ).e or she will ask your child questions too. Reading tests and other types of assessments may be done to help find out more about your child's skills. For example, tests may include those that focus on your child's learning style, language and problem-solving skills, and intelligence quotient (IQ).