The data
collection methods as per the type of variable used, the accuracy required,
collection point and the ability of the interviewer. The major data collection
techniques are as follows:
Registration:
Registers and Licences are helpful for enumeration. This method is limited to
variables which change slowly.
Questionnaires:
Questionnaires are framed and are filled by respondents/people. This method is
considered as inexpensive method. This method is effective where respondents/people
are co-operative.
Interviews:
The interview forms are completed with the help of interviews with the
respondents/people. This method is more expensive than questionnaires.
Direct
observations: This method is expensive and is considered as the most accurate method.
Reporting: This method is considered as the
alternative method to direct measurements. The respondents should be literate
and they should provide co-operation. This method can be backed by a legal
requirement and direct measurements.
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