Gathering Secondary Data Information that already exists somewhere Internal databases Commercial data services Government sources Available more quickly and at a lower cost than primary data Must be relevant, accurate current, and impartial O Copy rights reserved, Zou Deqiang23 23 © Copy rights reserved, Zou Deqiang Gathering Secondary Data • Information that already exists somewhere: ¾Internal databases ¾Commercial data services ¾Government sources • Available more quickly and at a lower cost than primary data. • Must be relevant, accurate, current, and impartial