Question

What is called Primary Data ? Explain Personal Investigation method and Telephonic

Investigation method .​

Answer 1

Answer:

Here is your answer

Explanation:

Primary data: Data collected by the investigator himself/ herself for a specific purpose. Examples: Data collected by a student for his/her thesis or research project.

personal investigation is the method in which data are collected by the investigator personally from sources concerned. ... collected data are uniform because they are collected by one person.

A telephone survey is one of the survey methods used in collecting data either from the general population or from a specific target population. Telephone numbers are utilized by trained interviewers to contact and gather information from possible respondents.

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Answer 2

Answer:

• When the investigator decides to collect the basic data himself through statistical survey with the help of his/her team or field workers, he/she relies on primary data

eg: The investigator contacts the respondents and obtains desired quantitative information on per capita expenditure of various household  items.

• original data collected by the investigator.
• always collected for a specific purpose.
• It is expensive and time consuming.

Personal Investigation Method is used when the researcher has access to all the members. The researcher or investigator conduct face to face interviews with the respondents.

In a telephonic interview, the investigator ask questions over the telephone.