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.
What's the difference between mental health and mental illness? Sometimes the answer is clear, but often the distinction between mental health and mental illness isn't so obvious. For example, if you're afraid of giving a speech in public, does it mean you have a mental health condition or a run-of-the-mill case of nerves? Or, when does shyness become a case of social phobia?