Data Collection Methods

What are the different methods for Data Collection?
Ans.: Methods of Data and Information Collection : Several methods are available for the collection of data. The choice of method will have an impact on the quality of information. Similarly the design of data collection method also decides the quality of data and information.
Following are the methods of data collection :
i) Observation
ii) Experiment
iii) Survey
iv) Subjective Estimation
v) Transaction Processing
vi) Purchase from Outside
vii) Publication
viii) Government Agencies