Collection of Data

Answer

Primary data are original, first-hand data collected by the investigator for the first time for a specified purpose. They are fresh data and are collected directly from the source.

Answer

Secondary data are data collected by someone else and used by another person. They are already existing data and are also called second-hand information.

Answer

Data are primary to the person or institution that collects them first. The same data become secondary when they are used later by another person or investigator. The classification depends on who is …

Answer

Primary data are collected originally for a specific purpose, so they are fresh and first-hand. Secondary data are already collected by someone else and reused later. Primary data take more time and m…

Answer

Secondary data are usually preferred when they are suitable, adequate, and reliable for the purpose of the enquiry. They are also preferred when time and money are limited and when primary data are no…

Answer

The five methods are direct personal investigation, indirect oral investigation, information through correspondents, information through mailed questionnaire, and questionnaire through personal interv…

Answer

Direct personal investigation is a method of collecting primary data in which the investigator personally contacts the informants and asks questions related to the enquiry. It is useful when accurate …

Answer

It is useful because the investigator can remove doubts, ask flexible questions, and usually obtain reliable and accurate information. One major limitation is that it becomes difficult and costly when…