Certain measures are employed to ensure that field workers meet satisfactory levels of performance.  In any survey work, if supervision of data collection is not adequate, it leaves enough room for one to be sceptical about the reliability and validity of the data. The role of the supervisor is to provide support to field workers in their day- to- day activities so that they can improve on their existing practice and maintain high standards of data collection and also serve as a channel through which fieldworker concerns can be fed through to the field office. Their main purpose is to ensure that high standards for data collection are maintained all the time. To ensure maximum reliability and validity of data, an intensive but simple supervision procedure should be adopted.  This supervisory procedure includes the following measures: scheduled visits or supervised interviews by appointment to observe field workers performing their assigned job, random unscheduled visit which should not be communicated to the fieldworker to pick up any unacceptable practices that may have cropped up in the course of fieldwork and check visits to perform a specific task such as verifying whether a reported visit was made or discuss concerns of people registered into the DSS. These procedures are elaborated in the attached file.

The core database updating should be maintained periodically. After any changes in the field level (Registration by Annual update or Registration by Round updates) the information should be updated in the system as well as into the core database. Before taking the core database updating, it is recommended to take a full database backup so that if any problem occur during core database updating the DBA (Database Administrator) can rollback the previous database.

See also: Continuing Analysis & Quality Control in Section 3.