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.
Ashley Kremer is a physician based out of Tonawanda, New York and her medical specialization is Family Medicine. She practices in Tonawanda, New York and has the professional credentials of . The NPI Number for Ashley Kremer is 1548569031 and she holds a License No. 274680 (New York). Her current practice location address is 1491 Sheridan Dr, , Tonawanda, New York and she can be reached out via phone at 716-332-4476 and via fax at 716-447-1286.