{"data":{"id":"10.58150/iea_timss_2015_g8","type":"dois","attributes":{"doi":"10.58150/iea_timss_2015_g8","prefix":"10.58150","suffix":"iea_timss_2015_g8","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"IEA-International Association For The Evaluation Of Educational Achievement","nameType":"Organizational","affiliation":[],"nameIdentifiers":[{"schemeUri":"https://ror.org","nameIdentifier":"https://ror.org/00n789a42","nameIdentifierScheme":"ROR"}]},{"name":"TIMSS And PIRLS International Study Center At Boston College","nameType":"Organizational","affiliation":[],"nameIdentifiers":[{"nameIdentifier":"https://timssandpirls.bc.edu/","nameIdentifierScheme":"URL"}]}],"titles":[{"lang":"en","title":"TIMSS 2015 International Database: Grade 8 - Trends in International Mathematics and Science Study"}],"publisher":"IEA","container":{"type":"DataRepository","title":"TIMSS"},"publicationYear":2017,"subjects":[{"lang":"en","subject":"Educational Assessment","subjectScheme":""},{"lang":"en","subject":"International Assessment","subjectScheme":""},{"lang":"en","subject":"Mathematics Achievement","subjectScheme":""},{"lang":"en","subject":"Science Achievement","subjectScheme":""},{"lang":"en","subject":"Grade 8","subjectScheme":""},{"lang":"en","subject":"Mathematics Instruction","subjectScheme":""},{"lang":"en","subject":"Science Instruction","subjectScheme":""},{"lang":"en","subject":"Students","subjectScheme":""},{"lang":"en","subject":"Teachers","subjectScheme":""},{"lang":"en","subject":"Principals","subjectScheme":""},{"lang":"en","subject":"Home Background","subjectScheme":""}],"contributors":[{"name":"IEA","nameType":"Organizational","affiliation":[],"contributorType":"Producer","nameIdentifiers":[{"schemeUri":"https://ror.org","nameIdentifier":"https://ror.org/00n789a42","nameIdentifierScheme":"ROR"}]},{"name":"TIMSS And PIRLS International Study Center At Boston College","nameType":"Organizational","affiliation":[],"contributorType":"ProjectManager","nameIdentifiers":[{"nameIdentifier":"https://timssandpirls.bc.edu/","nameIdentifierScheme":"URL"}]}],"dates":[{"date":"2017","dateType":"Issued"}],"language":null,"types":{"ris":"DATA","bibtex":"misc","citeproc":"dataset","schemaOrg":"Dataset","resourceTypeGeneral":"Dataset"},"relatedIdentifiers":[{"relationType":"IsDocumentedBy","relatedIdentifier":"https://timssandpirls.bc.edu/timss2015/frameworks.html","resourceTypeGeneral":"Text","relatedIdentifierType":"URL"},{"relationType":"IsDocumentedBy","relatedIdentifier":"http://timssandpirls.bc.edu/timss2015/encyclopedia/","resourceTypeGeneral":"Text","relatedIdentifierType":"URL"},{"relationType":"IsDocumentedBy","relatedIdentifier":"http://timssandpirls.bc.edu/publications/timss/2015-methods.html","resourceTypeGeneral":"Text","relatedIdentifierType":"URL"},{"relationType":"IsDocumentedBy","relatedIdentifier":"http://timssandpirls.bc.edu/timss2015/international-results/","resourceTypeGeneral":"Text","relatedIdentifierType":"URL"},{"relationType":"IsDocumentedBy","relatedIdentifier":"http://timssandpirls.bc.edu/timss2015/international-results/","resourceTypeGeneral":"Text","relatedIdentifierType":"URL"}],"relatedItems":[],"sizes":[],"formats":[],"version":"1","rightsList":[],"descriptions":[{"lang":"en","description":"Trends in International Mathematics and Science Study 2015\nTIMSS 2015 reported overall achievement as well as results according to four international benchmarks (advanced, high, medium, and low),\nby major content domains (number, algebra, and geometry in mathematics, and earth science, biology, and chemistry in science), and by cognitive domains (knowing, applying, and reasoning).\nThe study collected detailed information about curriculum and curriculum implementation, instructional practices, and school resources.\nTIMSS 2015 saw the introduction of TIMSS Numeracy, a less difficult version of TIMSS Mathematics for countries where most children are still developing fundamental mathematics skills.","descriptionType":"Abstract"},{"lang":"en","description":"TIMSS","descriptionType":"SeriesInformation"},{"lang":"en","description":"Educational measurements and tests","descriptionType":"Methods"},{"lang":"en","description":"\u003cstrong\u003eTarget population (students)\u003c/strong\u003e\nAll students enrolled in the grades representing 8 years of formal schooling respectively, counting from the first year of ISCED Level 1.","descriptionType":"Methods"},{"lang":"en","description":"STRATIFIED TWO-STAGE CLUSTER SAMPLE DESIGN","descriptionType":"Methods"}],"geoLocations":[{"geoLocationPlace":"International: TIMSS Grade 8 (39 countries and 7 benchmarking entities)"}],"fundingReferences":[],"xml":"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","url":"https://www.iea.nl/data-tools/repository-direct/2537?cycle=307","contentUrl":null,"metadataVersion":3,"schemaVersion":"http://datacite.org/schema/kernel-4","source":"api","isActive":true,"state":"findable","reason":null,"viewCount":0,"viewsOverTime":[],"downloadCount":0,"downloadsOverTime":[],"referenceCount":0,"citationCount":0,"citationsOverTime":[],"partCount":0,"partOfCount":0,"versionCount":0,"versionOfCount":0,"created":"2023-04-28T09:07:47.000Z","registered":"2023-04-28T09:07:47.000Z","published":"2017","updated":"2024-06-25T03:52:09.000Z"},"relationships":{"client":{"data":{"id":"qtiv.iea","type":"clients"}},"provider":{"data":{"id":"qtiv","type":"providers"}},"media":{"data":{"id":"10.58150/iea_timss_2015_g8","type":"media"}},"references":{"data":[]},"citations":{"data":[]},"parts":{"data":[]},"partOf":{"data":[]},"versions":{"data":[]},"versionOf":{"data":[]}}}}