what is meant by direct personal investigation?give its merit and demerits
Answers
MERITS:-
1.this method ensures high degree of accuracy.
2.collected data are uniform because they are collected by one person.
3.original data are collected by this method.
4.comparative study is possible.
DEMERITS:-
1.this method requires a long time an involves enormous cost.
2.this method consumes more time.
3. in this method there is more use of power.
4.this method is highly prone to personal bias of the investigator.
In the direct personal observation method, the investigator collects data by having direct contact with units of investigation.The accuracy of data depends upon the ability, training and attitude of the investigator. The direct personal observation method is suitable where - - The scope of investigation is narrow.
Merits and demerits of direct personal observation
- Merits:
1) We get original data.
2) we get more accurate and reliable data.
3) Satisfactory information can be extracted by the investigator through indirect questions.
4) Data are homogeneous and comparable.
5) Additional information can be gathered.
6) Misinterpretation of questions can be avoided.
Demerits:
1) It is time consuming and costs more. Indirect oral interview is used when area to be covered is large. The data is collected from a third party or witness or head of institution. This method is generally used by police department.