Data collection: collection of data is the first and most important statistical investigation the process of collection necessary information from the field of inquiry by the example: for central bureau of statistics, the census data are primary whereas for the all others we use, such data are secondary. Demerits of primary data 00:09:17- 00:09:54 it is expensive it is time consuming difficult to estimate the exact source collection of primary data usually involves creating new definitions secondary data 00:09:55- 00:10:49 collection by someone else merits of secondary data 00:10:50- 00:11:36. Primary sources of data collection have their advantages (such as addressing specific research problems) and applications in data management and storage on the other hand, secondary data gathering has also a range of benefits, best practices, and an important meaning in the marketing and. Primary data are original and collected for the first time secondary data are already available sources primary data are collected with the objective of identifying some specific factors needed by the researcher for this purpose, he can use the questionnaires specifying the special factors that. Collection of primary data starts when secondary data seems insufficient to solve problems associated with the research the researcher first uses secondary data, if he finds that collected information from secondary sources, is inadequate, only then decides to collect primary data.
Differentiating between primary and secondary sources in research is a tedious task but it can be well explained with the help of examples primary sources must be thoughtfully chosen so the collected primary data can prove to be very valuable for people living in the present. Secondary information often quotes primary data and adds a fresh interpretation it is important to know the difference between primary and secondary data when studying, writing there is a variety of ways to collect it conducting interviews, doing experiments and conducting surveys are three ways. Sources of information are often categorized as primary or secondary depending upon their originality primary sources provide the original materials on which other research is based and enable students and other researchers to get as close as possible to what actually happened during a. Business decision making 16/04/2013 06/05/2013 ms lynette hatley assignment no assignment title assignment brief 1 be able to use a variety of sources for the collection of data, both primary and secondary in this assignment students will (1) prepare a plan for the collection of primary and.
Secondary sources are sources that are written about primary sources secondary sources analyze, interpret, and discuss information about the primary source if a magazine writer wrote about the speech president bush gave on september 11th, it would be a secondary source. Secondary sources involve analysis, synthesis, interpretation, or evaluation of primary sources they often attempt to describe or explain primary for example, newspaper editorial/opinion pieces can be both primary and secondary if exploring how an event affected people at a certain time, this type of. Primary and secondary data collection techniques, primary data collection uses surveys, experiments or direct observations secondary data collection may be conducted by collecting information from a diverse source of documents or electronically stored information, census and. Secondary data refers to data which is collected by someone who is someone other than the user common sources of secondary data for social science include censuses.
Secondary sources offer interpretation or analysis based on primary sources they may explain primary sources and often uses them to support a primary and secondary sources are not fixed categories the use of evidence as primary or secondary is determined by the type of research you. Primary sources are first hand sources secondary sources are second-hand sources for example, suppose there had been a car accident however, the distinctions between primary and secondary sources can be ambiguous it is important to remember that you cannot determine whether a source. Researchers collect the data themselves, using surveys, interviews and direct observations there are several types of secondary data they can include information from the national population with a combination of these two data sources, the researchers may be able to determine which factors.
Primary sources are first-hand and considered authoritative, while secondary sources analyze, interpret is the source a legal document, an original collection of data or statistics, or a your research will involve the use of both primary and secondary sources even if you are conducting a. Sources of primary data collection of external data is more difficult because the data have much greater variety and the sources are much more numerous government publications- government sources provide an extremely rich pool of data for the researchers. Data can be classified as primary data and secondary data secondary data - whether internal or external - is data already collected by others, for purposes other than the solution the internet is a great source of external secondary data many published, statistics and figures are available on the.
Ass bdm chinh primary data sources the sources of research data the design of the research project specifies both the data that are needed and how they are to be obtained before secondary data can be used as the only source of information to help solve a marketing problem. Data collection begins with figuring out what sort of data is needed, followed by the collection of a sample from a certain section of the population normally we can gather data from two sources namely primary and secondary data gathered through perception or questionnaire review in a.
Secondary data are second hand informations they are not collected from the source as the primary data so they may be relatively less accurate than the primary data secondary data are generally used when the time of enquiry is short and the accuracy of the enquiry can be compromised.