What are the advantages of Observation method of data collection?

ADVANTAGES

1. The method eliminates subjective bias
2. The information obtained under this method relates to what is current happening it is not complicated either by past behaviour or future intentions and attitudes.
3. This method is independent of respondent willingness to respondents as such is relatively less demanded of active co-operation on the part of the respondents as happens to be the case in interview or the questionnaire method.
4. This method is particularly suitable in studies, which deal with subjects who are not capable giving verbal reports of their feeling for one reason or the other.