Signs and Symptoms of Substance Abuse. From the American Council for Drug Education, an affiliate of Phoenix House. The following are some of the more common signs and symptoms of drug use. It is important to keep in mind that if a person has any of these symptoms, it does not necessarily mean that he or she is using drugs. They could be due to a mental or physical health problem.
The main difference between data and information is that data is raw material that is to be processed and information is the processed data. Comparison Chart Basis of Distinction
Sources and types of data. In social research, it is usual to distinguish between primary and secondary data and qualitative and quantitative data. Quantitative data refers to information that appears in numerical form, or in the form of statistics.