Distinguish between 'Primary information' and 'secondary information'.

Difference between Primary Information and Secondary Information: Sr.No Primary Information Secondary Information 1 This information is collected by the investigator himself/herself for a specific purpose. Information collected by someone else for some other purpose but being utilized by the investigator for another purpose. 2 This is more relevant as it is collected for the purpose it will serve. It is collected for a purpose other than it is being used, hence these may not exactly suit the purpose. 3 It is more reliable. There may be lower degree of reliability. 4 Example: Explanation by a teacher in the classroom. Example: Notes borrowed from the classmate for missed class.