The debate on how much guiding is needed is somewhat open. See Kirschner et al. Sometimes huge cognitive overload, potential to confuse the learner if no initial framework is available, etc.
Secondary data is the data collected by someone else other than the researcher himself. This data can be gathered from government records, books, trade associations, national or international institutes, statistics agencies, etc.
Research done using this readily available information is called Secondary Market Research.
Factors to be considered while collecting data from secondary sources: One should evaluate the credibility of source of data and methods used to collect data because these factors directly influence the accuracy of data. Some sources of data charge money in order to give access to their information, so an organization needs to evaluate this cost with the cost of collecting data by themselves primary market research.
Usually time and cost required to collect secondary data is less than efforts required to collect primary data.
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Data is available freely or at far lesser cost through secondary sources. Data collected by governments and other institutes is usually very extensive and covers a large spectrum of issues. An organization can filter that data and consider only parts which they are targeting.
Data collected from secondary sources gives an idea to organization about effectiveness of primary research. From secondary data one can form hypothesis and can evaluate the cost and efforts required to conduct own surveys.
One can also note down issues, which are not covered from secondary research and, need to be addressed through primary research. Secondary Researcher needs to understand various parameters and assumptions that primary research had taken while collected information.
A term may have different meaning for different people, example a term 'youth' used is ambiguous and one needs to find what is the assumed age taken by primary researcher. As we are not gathering our own information, first-hand, we are totally dependent on someone else's efforts.
Primary researcher may have been biased or may have used questionable methods to collect data; this can be pretty risky for secondary researchers to base their report on such data.
Information collected from books, historical surveys are usually not sync with the times and might have changed drastically. Thus making such information a foundation of research may be highly risky for the business or project.
Extensiveness of such information is its benefit as well as drawback. Organization will not get answers to their specific issues through this data directly and one needs to 'mine' further into it to get relevant information.
Some of the secondary sources might have copyrighted their information and using them without permission can lead to various legal complications.Solar is a capturing the sun rays, converts and stores its electrical energy. Here you know about solar energy advantages and disadvantages.
Secondary data is the data that have been already collected by and readily available from other sources. Such data are cheaper and more quickly obtainable than the primary data and also may be available when primary data can not be obtained at all. This part of our detailed tutorial on market research planning looks at the disadvantages of secondary research including questionable quality of research, not answering researcher questions, not timely and more.
A Database Management System (DBMS) is basically a collection of programs that enables users to store, modify, and extract information from a database as per the requirements.
DBMS is an intermediate layer between programs and the data. ABSTRACT This is a Health Evidence Network (HEN) synthesis report on the advantages and disadvantages of restructuring a health care system to be more focused on primary care services.
Research and Research Methods Survey Research Survey Advantages Survey Disadvantages Telephone Survey Mail Survey Online/Email Survey 2.