Question
Distinguish between primary data and secondary data.
Solution
Distinction between primary data and secondary data:
|
Base of difference |
Primary Data |
Secondary Data |
|
1. Originality |
1. Primary data are original. |
1. Secondary data are not original. |
|
2. Expensive |
2. Primary data are costlier in terms of time, money and efforts involved than the secondary data. |
2. Secondary data are less costly in terms of time, money and efforts involved than primary data. |
|
3. Need of adjustment |
3. Prmary data do not need any adjustment for the cocerned study as they are always related to a specific objective of the investigator. |
3. Secondary data need to be adjusted to suit the objective of study in hand, as they have already been collected for some other purpose. |
