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.
Disorder and disease are used interchangeably in clinical settings, but as what i have observed, disease is used more on the physical while disorder is very frequent in psychiatric/psychologic. Syndrome-characterized by the consortium of a group of signs and symptoms that occur together in a disease.isorder is a disturbance of structure or function. or both due to a genetic or embryological failure in. development or as the result of exogenous factors, such as certain chemical substances, injury, or disease.