To understand what the score on an IQ test means, there are a few key terms that you should know: 1  Bell Curve: When IQ scores are plotted on a graph, they typically follow a bell-shaped curve. The peak of the bell occurs where the majority of the scores lie. 2  Mean: The average score.
Key difference: Disability is an injury that restricts the functions or movements of a person. Disorder is an illness that causes disruption to the functions of a person. Disability is the consequence of an impairment caused to a person. It is essentially a medical condition, which doesn't allow a person to function in a normal manner.
Psychiatry is a branch of medicine that specializes in treating patients who suffer from mental, emotional or behavioral disorders. Perhaps the biggest difference between psychiatry and clinical psychology is that all psychiatrists go to medical school and become MDs, while psychologists donât. Because of this, psychiatrists are able to prescribe pharmaceuticals, while most psychologists canât.