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What is secondary data and what are its advantages?
What is secondary data and what are its advantages?
Secondary data is data that was collected for different purposes and is reused for another research problem. Its advantages include assisting in identifying the problem, better defining the problem, assisting in developing an approach to the problem, and aiding in formulating an appropriate research design.
What are some common sources of secondary data?
What are some common sources of secondary data?
Common sources of secondary data include annual reports, journal articles, government publications, and reliable internet sources.
What are some disadvantages of using secondary data?
What are some disadvantages of using secondary data?
Disadvantages of secondary data include its potential limitations in terms of relevance and accuracy, and the possibility that the objectives, nature, and methods used to collect the data may not be appropriate to the current situation.
What is an important criterion for evaluating secondary data?
What is an important criterion for evaluating secondary data?
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What is a potential source of error in secondary data?
What is a potential source of error in secondary data?
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Why is it important to evaluate the accuracy of secondary data?
Why is it important to evaluate the accuracy of secondary data?
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What is the major limitation of secondary data?
What is the major limitation of secondary data?
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Why is it important to examine the objective of data collection?
Why is it important to examine the objective of data collection?
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What is essential to examine when working with secondary data?
What is essential to examine when working with secondary data?
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Why is an original source more accurate and complete than a secondary source?
Why is an original source more accurate and complete than a secondary source?
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What is an example of internal secondary data?
What is an example of internal secondary data?
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What is an example of external secondary data from a government source?
What is an example of external secondary data from a government source?
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Study Notes
Secondary Data
- Secondary data is data that was collected for different purposes and is reused for another research problem.
- It can be located quickly and inexpensively.
Sources of Secondary Data
- Annual reports
- Journal articles
- Government publications
- Reliable internet sources
Advantages of Secondary Data
- Assists in identifying the problem
- Helps to better define the problem
- Assists in developing an approach to the problem
- Aids in formulating an appropriate research design
- Answers certain research questions and tests some hypotheses
- Provides more insightful interpretation of primary data
Disadvantages of Secondary Data
- Its usefulness may be limited in terms of relevance and accuracy
- Objectives, nature, and methods used to collect data may not be appropriate for the current situation
- May lack accuracy, be incomplete, or not current
Evaluating Secondary Data
- Criteria for evaluating secondary data include:
Specifications/Methodology
- Should be critically examined to identify possible sources of bias
- Provides information on reliability and validity of data
- Helps determine whether data can be generalized to the problem at hand
Error/Accuracy
- Researcher needs to determine whether data is accurate enough for the purpose of the current study
- Secondary data can have sources of error or inaccuracy, including errors in approach, research design, and sampling
Currency
- Secondary data may not be current
- Time lag between data collection and publication may be long
Objective
- Objective determines the purpose for which the information is relevant and useful
- Data collected with a specific objective in mind may not be appropriate in another situation
Nature
- Data should be examined with special attention to definition of key variables, units of measurement, categories used, and relationships examined
- If key variables have not been defined, the usefulness of the data is limited
Dependability
- Data should be secured from an original source rather than an acquired source
- Original source specifies details of data collection methodology and is more accurate and complete than secondary source
Classification of Secondary Data
Internal Data
- Generated within the organisation for which research is being conducted
- Examples: customer database, internal sales, invoices, customer relations management system
External Secondary Data
- Sources:
- Business/non-government
- Government
- Syndicate services
- Examples: government sources (census data, STATSSA, annual updates), internal sales records of SME’S in SA
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Description
Test your knowledge about secondary data collection, sources, and advantages. Learn about how secondary data can be used to identify and define research problems, develop research approaches, and formulate appropriate research designs.