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.
Infection affects a person with disease. On the other hand disease is the end result of an infection. This is the main difference between infection and disease. In short it can be said that infection leads to disease. A person gets a disease if he or she carries an infection.reventive measures alone are suggested to keep infections at bay. These are the differences between infection and disease. Related posts: 1  Difference Between Osteoarthritis and Rheumatiod Arthritis. 2  Difference Between Arthritis and Osteoarthritis.