{"data":{"id":"10.58150/iea_timss_2023_longitudinal_g9_data_edition_1","type":"dois","attributes":{"doi":"10.58150/iea_timss_2023_longitudinal_g9_data_edition_1","prefix":"10.58150","suffix":"iea_timss_2023_longitudinal_g9_data_edition_1","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"IEA","nameType":"Organizational","givenName":null,"familyName":null,"affiliation":["International Association for the Evaluation of Educational Achievement"],"nameIdentifiers":[{"schemeUri":"https://ror.org","nameIdentifier":"https://ror.org/00n789a42","nameIdentifierScheme":"ROR"}]},{"name":"TIMSS and PIRLS International Study Center at Boston College","nameType":"Organizational","givenName":null,"familyName":null,"affiliation":["Boston College"],"nameIdentifiers":[{"schemeUri":"https://ror.org","nameIdentifier":"https://ror.org/02n2fzt79","nameIdentifierScheme":"ROR"}]}],"titles":[{"lang":"en","title":"TIMSS 2023 Longitudinal G9 International Database_Version 1","titleType":"Subtitle"}],"publisher":"International Association for the Evaluation of Educational Achievement","container":{"type":"DataRepository","title":"Trends in International Mathematics and Science Study 2023 marks the eighth cycle of the international mathematics and science assessment since the inauguration of the study in 1995. Providing over 20 years of trend data","volume":"TIMSS has been a valuable tool for monitoring international trends in mathematics and science achievement at the fourth and eighth grades. Like the previous TIMSS assessments","firstPage":"and school resources.\n\nTIMSS 2023 completes the transition to a fully digital assessment.\npaperTIMSS was administered in a small number of countries for whom the fully digital TIMSS may not be logistically feasible.\nAvailable in digital format only.\n\nThe next cycle of TIMSS will be administered in 2027."},"publicationYear":2026,"subjects":[{"subject":"Science Achievement"},{"subject":"Mathematics Achievement"},{"subject":"Students Grade 9"},{"subject":"Teachers"},{"subject":"Principals"},{"subject":"Home Background"}],"contributors":[{"name":"IEA","nameType":"Organizational","givenName":null,"familyName":null,"affiliation":["International Association for the Evaluation of Educational Achievement"],"contributorType":"Producer","nameIdentifiers":[{"schemeUri":"https://ror.org","nameIdentifier":"https://ror.org/00n789a42","nameIdentifierScheme":"ROR"}]},{"name":"Project Manager TIMSS and PIRLS International Study Center at Boston College","nameType":"Organizational","givenName":null,"familyName":null,"affiliation":["Boston College"],"contributorType":"Other","nameIdentifiers":[{"schemeUri":"https://ror.org","nameIdentifier":"https://ror.org/02n2fzt79","nameIdentifierScheme":"ROR"}]}],"dates":[],"language":"en","types":{"ris":"DATA","bibtex":"misc","citeproc":"dataset","schemaOrg":"Dataset","resourceType":"","resourceTypeGeneral":"Dataset"},"relatedIdentifiers":[],"relatedItems":[],"sizes":[],"formats":["SAS;SPSS;R"],"version":"1","rightsList":[{"rights":"After agreement to terms and conditions or signing the license agreement","rightsUri":"https://www.iea.nl/data-tools/using-study-materials"}],"descriptions":[{"lang":"en","description":"The TIMSS 2023 Longitudinal Study (TIMSS-L) is an optional extension of TIMSS 2023 that explores student learning gains over one year of schooling. 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