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[{"key": "dc.contributor.advisor", "value": "Karvanen, Juha", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Immonen, Jaakko", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2018-01-18T12:11:48Z", "language": "", "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2018-01-18T12:11:48Z", "language": "", "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2017", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1814909", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/56793", "language": "", "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Tieteellist\u00e4 tietoa tuotetaan jatkuvasti lis\u00e4\u00e4, mutta sen yhdist\u00e4minen aiempaan tiet\u00e4mykseen ei ole ongelmatonta. Tilastotieteellisesti t\u00e4t\u00e4 pulmaa l\u00e4hestyt\u00e4\u00e4n meta-analyysin ja metaregression avulla. Meta-analyysi on systemaattisessa kirjallisuuskatsauksessa ker\u00e4tyn aineiston tilastollista yhteenvetoa; useista estimaateista luottamusv\u00e4leineen muodostetaan yksi keskim\u00e4\u00e4r\u00e4inen estimaatti ja sen luottamusv\u00e4li. Huomattavaa on, ett\u00e4 meta-analyysin aineisto on er\u00e4\u00e4nlainen aineistojen aineisto; havaintoyksik\u00f6it\u00e4 eiv\u00e4t ole tutkimuksiin osallistuvat koehenkil\u00f6t vaan itse tutkimukset. Metaregressio on meta-analyysi\u00e4, jossa yhteenveto tehd\u00e4\u00e4n hy\u00f6dynt\u00e4m\u00e4ll\u00e4 tutkimusten taustamuuttujia eli kovariaatteja. Metaregressio on lineaaristen (seka)mallien erikoistapaus.\r\n\r\nTutkielmassa meta-analyysin menetelmi\u00e4 sovelletaan aineistoon, joka k\u00e4sittelee v\u00e4h\u00e4n liikkuvien ihmisten fyysisen aktiivisuuden edist\u00e4mist\u00e4 erilaisin motivointikeinoin. Tutkimusten ominaispiirteiden, kuten valittujen motivointikeinojen, yhteytt\u00e4 tuloksiin tutkitaan metaregressiolla. Oman haasteensa tuo aineistossa esiintyv\u00e4 riippuvuus. Riippuvuus on seurausta yhteisist\u00e4 kontrolliryhmist\u00e4, joihin eri motivointikeinoja k\u00e4ytt\u00e4vi\u00e4 ryhmi\u00e4 verrataan; jokaisessa tutkimuksessa on t\u00e4sm\u00e4lleen yksi kontrolliryhm\u00e4 mutta mahdollisesti useita koeryhmi\u00e4.\r\n\r\nTulosten perusteella motivointikeinot todella lis\u00e4\u00e4v\u00e4t v\u00e4h\u00e4n liikkuvien ihmisten fyysist\u00e4 aktiivisuutta jopa siten, ett\u00e4 vaikutus jossain m\u00e4\u00e4rin s\u00e4ilyy intervention p\u00e4\u00e4tytty\u00e4. Eri motivointikeinojen kesken ei n\u00e4yt\u00e4 olevan huomattavia eroja. Viitteit\u00e4 muiden taustamuuttujien yhteydest\u00e4 tuloksiin on, mutta niihin on suhtauduttava varauksella; monta testattavaa hypoteesia voi johtaa merkitseviin tuloksiin sattumaltakin. Lis\u00e4ksi metaregression tulokset vaihtelevat valittujen menetelmien mukana.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Jaakko Immonen (javeimmo) on 2018-01-18 12:11:48.160911. Form: Pro gradu -lomake (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake). JyX data: [jyx_publishing-allowed (fi) =True]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija.group@korppi.jyu.fi) on 2018-01-18T12:11:48Z\r\nNo. of bitstreams: 2\r\nURN:NBN:fi:jyu-201801181256.pdf: 554780 bytes, checksum: dfb4489b45a3b72980bec70b8b7eacea (MD5)\r\nlicense.html: 4851 bytes, checksum: c2292fbeb6fbf80b0576e5ae016d91a8 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2018-01-18T12:11:48Z (GMT). No. of bitstreams: 2\r\nURN:NBN:fi:jyu-201801181256.pdf: 554780 bytes, checksum: dfb4489b45a3b72980bec70b8b7eacea (MD5)\r\nlicense.html: 4851 bytes, checksum: c2292fbeb6fbf80b0576e5ae016d91a8 (MD5)\r\n Previous issue date: 2017", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (45 sivua)", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "sekamalli", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "lineaarinen sekamalli", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "metaregressio", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Meta-analyysin ja metaregression soveltaminen fyysist\u00e4 aktiivisuutta mittaaviin tutkimuksiin", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201801181256", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", 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