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Secondary data refers to data that is collected by someone other than the primary user. [1] Common sources of secondary data for social science include censuses, information collected by government departments, organizational records and data that was originally collected for other research purposes. [2]
Data collection and validation consist of four steps when it involves taking a census and seven steps when it involves sampling. [3]A formal data collection process is necessary, as it ensures that the data gathered are both defined and accurate.
Some disadvantages of administrative data are that the information collected is not always open and is restricted to certain users. [1] There is also a lack of control over content, for example Statistics Canada uses administrative data to enrich, replace survey data, or to increase the efficiency of statistical operations. [ 10 ]
There is a taxonomic scheme associated with data collection systems, with readily-identifiable synonyms used by different industries and organizations. [ 23 ] [ 24 ] [ 25 ] Cataloging the most commonly used and widely accepted vocabulary improves efficiencies, helps reduce variations, and improves data quality.
Secondary market research can be broken up into two categories: information from internal sources such as an agency or company, and information from external sources held outside an organization or agency. [6] Secondary market research uses information from the past, reuses data already collected, and is more economical.
National Homelessness Information System, a database system designed to collect and analyze baseline data on the use of homeless shelters in Canada. It includes anonymized data imported from Homeless Individuals and Families Information System systems as well as data shared by some cities and provinces that do not use that system.
Data (/ ˈ d eɪ t ə / DAY-tə, US also / ˈ d æ t ə / DAT-ə) are a collection of discrete or continuous values that convey information, describing the quantity, quality, fact, statistics, other basic units of meaning, or simply sequences of symbols that may be further interpreted formally.
In scholarship, a secondary source [1] [2] is a document or recording that relates or discusses information originally presented elsewhere. A secondary source contrasts with a primary, or original, source of the information being discussed. A primary source can be a person with direct knowledge of a situation or it may be a document created by ...