methods of data collection 1 bbm

7/27/2019 Methods of Data Collection 1 Bbm

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Data are numerical facts. They are figures

collected in a systematic manner for a pre

determined purpose. Those figures are

aggregate of facts relating to one or morephenomenon of study. It is from the data

collected that an economist study about a

phenomenon and draw conclusions.


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The sources of information are generally

classified as primary or secondary.

PRIMARY DATAWhen the researcher himself is trying to

collect the data for his particular purpose

from the sources available it becomes

primary data.


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Observation method

Interview method

Questionnaire method Schedule method


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Observation method as the name itself

indicates is based on observation.

Observation is keen and scientific study of a

problem.For example:- in a study of consumer

behavior the investigator instead of asking

the brand of wrist watch used by the

respondent, may himself look a the watch.


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Interview method is a direct method of

collection of data, which is based on

interview. It is the most important methods

of collection of data. Through this methodwe can know the views and ideas of other

persons. It s a method of social interaction.

Interviews can be conducted through

personal and telephone.


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This is an important and very popular method

of data collection. This is adopted by

individuals, organization and government. In

this method, a questionnaire is prepared andsent to respondent by post. It is a set of

questions. The success of this method

depends on the proper drafting of the

questions.


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It is a proforma containing a set of questions. This

proforma is filled by enumerators who are specially

identified for the purpose. The enumerators are

persons acting under the direction of researchers.Requisite of a good schedule

Accurate communication

Schedules must be attractive

Schedules must be attractive


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Secondary data are those data which have

collected by some other person for their

purpose and published. So a researcher is

said to make use of secondary data if hemakes use of data already compiled by some

other person. Secondary data are in the

shape of a finished products.


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Sources of secondary data may be classified

broadly as internal and external. Internal

sources of data represents the data that arealready available with the research

organization. The information available with

outside organization are External.

There a re variety of published sources fromwhich one can get information for his

research work.


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o Official publications of the central, state and localgovernments.

o Official publication of the foreign governments and

international bodies like UNO and its subordinate

bodies.o Technical journals, newspapers, books, periodicals,

etc.

o Publication of research organizations, centres,

institutes and reports submitted by economists,research scholars etc.


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Primary data are original in character

because the researcher himself collects the

data. Secondary data are not original. They

collected by somebody else. The researcheronly makes use of them.

methods of data collection 1 bbm

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