which is modified data secondary or primary Share with your friends Share 2 Swati And Manisha Maheshwari answered this secondary data is modified as some changes are made to make it useful for new studies 2 View Full Answer Aashita answered this Secondary Data -1 Bharat Maheshwari answered this secondary data is modified because when it is used for second time by another investigator or for other investigation some changes or modification are done in this data to suit the objective of study 1