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 is the difference between STIs and STDs: Medically, an STI is an infection first, after it causes symptoms, the infection becomes a disease. An STD-sexually transmitted disease-is an infection that has symptoms.he common cold is both an infection and a disease. Heart disease is a disease, but NOT an infection. One can be infected with some microbes without getting a disease from it. (eg Cyklomegalovirus, E. Coli).