Topic terms serve to identify the general topics, subjects or themes of a study. Many but not all metadata providers use CESSDA Topic Classification for their topic terms.
Topic
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Keywords which describe the content of the data. Many but not all metadata providers use ELSST Thesaurus for their keywords. Searchable list contains a maximum of 2000 most common keywords.
Keywords
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The year(s) in which the data for the study were collected.
Collection years
19002025
The country which the data cover. Note: the filter only includes those studies where the metadata provide an ISO 3166-1 country code. Use an additional free-text search with country name for more results.
Country
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Name of the institution providing the information on the study.
Publisher
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