In sociology primary data is data you have collected yourself and secondary data is data you have gathered from primary sources to create new research. In terms of historical research, these two terms have different meanings.A primary source is a book or set of archival records.econdary data has already been collected by and readily available  from other sources. It is cheaper and easier to obtain than primary  data. It helps provide an understand â¦ ing of the problem and allows  for comparison of the primary data collected.
Mark Kelley, MD. Mark Kelley, MD practices as a Psychiatrist in Tulsa, OK.Mark Kelley, MD graduated from Univ Of Ok Coll Of Med, Oklahoma City Ok 73190.
Dr. Marc A Theroux is a physician based out of Fall River, Massachusetts and his medical specialization is Internal Medicine. He practices in Fall River, Massachusetts and has the professional credentials of MD. The NPI Number for Dr. Marc A Theroux is 1497742514 and he holds a License No. 72558 (Massachusetts). His current practice location address is 534 Prospect St, , Fall River, Massachusetts and he can be reached out via phone at 508-973-7766 and via fax at 508-973-7753. You can also correspond with Dr. Marc A Theroux through mail at his mailing address at 200 Mill Rd, Ste 180, Fairhaven, Massachusetts - 02719-5252 (mailing address contact number - 508-973-2000). Dr. Marc A Theroux graduated from Georgetown University Of Medicine in 1983. Provider Profile Details: