{"id":"https://openalex.org/W2074711927","doi":"https://doi.org/10.4236/psych.2014.56064","title":"Happiness Decreases during Early Adolescence\u2014A Study on 12- and 15-Year-Old Finnish Students","display_name":"Happiness Decreases during Early Adolescence\u2014A Study on 12- and 15-Year-Old Finnish Students","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W2074711927","doi":"https://doi.org/10.4236/psych.2014.56064","mag":"2074711927"},"language":"en","primary_location":{"id":"doi:10.4236/psych.2014.56064","doi":"https://doi.org/10.4236/psych.2014.56064","is_oa":true,"landing_page_url":"https://doi.org/10.4236/psych.2014.56064","pdf_url":"http://www.scirp.org/journal/PaperDownload.aspx?paperID=45333","source":{"id":"https://openalex.org/S10553207","display_name":"Psychology","issn_l":"2152-7180","issn":["2152-7180","2152-7199"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doyens"],"host_organization":"https://openalex.org/P4310320480","host_organization_name":"Scientific Research Publishing","host_organization_lineage":["https://openalex.org/P4310320480"],"host_organization_lineage_names":["Scientific Research Publishing"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Psychology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"http://www.scirp.org/journal/PaperDownload.aspx?paperID=45333","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5087618458","display_name":"Lotta Uusitalo\u2010Malmivaara","orcid":"https://orcid.org/0000-0002-8853-2639","observed_orcids":["https://orcid.org/0000-0002-8853-2639"]},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Lotta Uusitalo-Malmivaara","raw_affiliation_strings":["University of Helsinki, Helsinki, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Helsinki, Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5087618458"],"corresponding_institution_ids":["https://openalex.org/I133731052"],"apc_list":null,"apc_paid":null,"fwci":2.3064,"has_fulltext":true,"cited_by_count":53,"citation_normalized_percentile":{"value":0.88151445,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"05","issue":"06","first_page":"541","last_page":"555"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10475","display_name":"Psychological Well-being and Life Satisfaction","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10475","display_name":"Psychological Well-being and Life Satisfaction","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10182","display_name":"Child and Adolescent Psychosocial and Emotional Development","score":0.007400000002235174,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T14085","display_name":"Student Stress and Coping","score":0.0010000000474974513,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/happiness","display_name":"happiness","score":0.7400000095367432},{"id":"https://openalex.org/keywords/subjective-well-being","display_name":"subjective well-being","score":0.8209999799728394},{"id":"https://openalex.org/keywords/early-adolescence","display_name":"early adolescence","score":0.902999997138977},{"id":"https://openalex.org/keywords/peer-problems","display_name":"peer problems","score":0.7749999761581421},{"id":"https://openalex.org/keywords/academic-stress","display_name":"academic stress","score":0.7770000100135803},{"id":"https://openalex.org/keywords/gender-differences","display_name":"gender differences","score":0.7839999794960022},{"id":"https://openalex.org/keywords/grade-point-average","display_name":"grade point average","score":0.8479999899864197}],"concepts":[{"id":"https://openalex.org/C2778999518","wikidata":"https://www.wikidata.org/wiki/Q8","display_name":"Happiness","level":2,"score":0.9834122657775879},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.818899393081665},{"id":"https://openalex.org/C138496976","wikidata":"https://www.wikidata.org/wiki/Q175002","display_name":"Developmental psychology","level":1,"score":0.4843834340572357},{"id":"https://openalex.org/C2776244770","wikidata":"https://www.wikidata.org/wiki/Q253590","display_name":"Ninth","level":2,"score":0.4464706778526306},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.4280743896961212},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.4236/psych.2014.56064","doi":"https://doi.org/10.4236/psych.2014.56064","is_oa":true,"landing_page_url":"https://doi.org/10.4236/psych.2014.56064","pdf_url":"http://www.scirp.org/journal/PaperDownload.aspx?paperID=45333","source":{"id":"https://openalex.org/S10553207","display_name":"Psychology","issn_l":"2152-7180","issn":["2152-7180","2152-7199"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doyens"],"host_organization":"https://openalex.org/P4310320480","host_organization_name":"Scientific Research Publishing","host_organization_lineage":["https://openalex.org/P4310320480"],"host_organization_lineage_names":["Scientific Research Publishing"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Psychology","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.4236/psych.2014.56064","doi":"https://doi.org/10.4236/psych.2014.56064","is_oa":true,"landing_page_url":"https://doi.org/10.4236/psych.2014.56064","pdf_url":"http://www.scirp.org/journal/PaperDownload.aspx?paperID=45333","source":{"id":"https://openalex.org/S10553207","display_name":"Psychology","issn_l":"2152-7180","issn":["2152-7180","2152-7199"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doyens"],"host_organization":"https://openalex.org/P4310320480","host_organization_name":"Scientific Research Publishing","host_organization_lineage":["https://openalex.org/P4310320480"],"host_organization_lineage_names":["Scientific Research Publishing"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Psychology","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.8371999859809875},{"id":"https://metadata.un.org/sdg/4","display_name":"Quality education","score":0.4156000018119812}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2074711927.pdf","grobid_xml":"https://content.openalex.org/works/W2074711927.grobid-xml"},"referenced_works_count":85,"referenced_works":["https://openalex.org/W1568881303","https://openalex.org/W1599936768","https://openalex.org/W1695445891","https://openalex.org/W1735969924","https://openalex.org/W1800216240","https://openalex.org/W1904207507","https://openalex.org/W1922915814","https://openalex.org/W1965835506","https://openalex.org/W1967000738","https://openalex.org/W1968857781","https://openalex.org/W1969214466","https://openalex.org/W1971908589","https://openalex.org/W1975256020","https://openalex.org/W1976439938","https://openalex.org/W1978518259","https://openalex.org/W1979746558","https://openalex.org/W1983312086","https://openalex.org/W1989133060","https://openalex.org/W1991210092","https://openalex.org/W1992044381","https://openalex.org/W1995205893","https://openalex.org/W1995637663","https://openalex.org/W1996123363","https://openalex.org/W1996353174","https://openalex.org/W1996901752","https://openalex.org/W1997442884","https://openalex.org/W2001455689","https://openalex.org/W2002967262","https://openalex.org/W2006390466","https://openalex.org/W2007376865","https://openalex.org/W2008896396","https://openalex.org/W2013231244","https://openalex.org/W2015276319","https://openalex.org/W2026859527","https://openalex.org/W2027761878","https://openalex.org/W2028131325","https://openalex.org/W2031972779","https://openalex.org/W2033134939","https://openalex.org/W2036779888","https://openalex.org/W2039859502","https://openalex.org/W2043001774","https://openalex.org/W2048928856","https://openalex.org/W2051220785","https://openalex.org/W2052729098","https://openalex.org/W2052884721","https://openalex.org/W2054169246","https://openalex.org/W2058014544","https://openalex.org/W2058619368","https://openalex.org/W2061972842","https://openalex.org/W2063487196","https://openalex.org/W2064432374","https://openalex.org/W2065182777","https://openalex.org/W2068467295","https://openalex.org/W2078826677","https://openalex.org/W2087440079","https://openalex.org/W2089297108","https://openalex.org/W2089694176","https://openalex.org/W2098624690","https://openalex.org/W2103184933","https://openalex.org/W2110531929","https://openalex.org/W2113353872","https://openalex.org/W2116302409","https://openalex.org/W2116855422","https://openalex.org/W2126057326","https://openalex.org/W2128632939","https://openalex.org/W2132638854","https://openalex.org/W2132701485","https://openalex.org/W2137553736","https://openalex.org/W2138186842","https://openalex.org/W2138321963","https://openalex.org/W2141470067","https://openalex.org/W2143185273","https://openalex.org/W2152035528","https://openalex.org/W2164248624","https://openalex.org/W2169128745","https://openalex.org/W2170084798","https://openalex.org/W2261125713","https://openalex.org/W2487280190","https://openalex.org/W2600314972","https://openalex.org/W3019273456","https://openalex.org/W3124068636","https://openalex.org/W3197689657","https://openalex.org/W4231436967","https://openalex.org/W4232912090","https://openalex.org/W4241788933"],"related_works":["https://openalex.org/W1979746558","https://openalex.org/W2991196516","https://openalex.org/W2786172322","https://openalex.org/W2621831127","https://openalex.org/W7158446286","https://openalex.org/W4393053055","https://openalex.org/W2726600162","https://openalex.org/W2606423963","https://openalex.org/W2754149557","https://openalex.org/W3030478539"],"abstract_inverted_index":{"Global":[0],"and":[1,42,68,124,141],"school-related":[2,69],"happiness":[3,22,61,70,87,108],"were":[4,135],"measured":[5],"in":[6,17,78,86],"339":[7],"Finnish":[8],"ninth":[9],"graders,":[10],"about":[11],"86%":[12],"of":[13,23],"whom":[14],"had":[15,71],"participated":[16],"a":[18,63,96,125,131],"study":[19],"on":[20],"the":[21,34,43,74,80,116],"sixth":[24,75],"graders":[25],"three":[26],"years":[27],"earlier.":[28],"Students":[29],"filled":[30],"out":[31],"two":[32],"questionnaires,":[33],"Subjective":[35],"Happiness":[36,46],"Scale":[37],"(Lyubomirsky":[38],"&":[39],"Lepper,":[40],"1999)":[41],"School":[44],"Children\u2019s":[45],"Inventory":[47],"(Ivens,":[48],"2007).":[49],"In":[50],"addition,":[51],"they":[52,56],"chose":[53],"items":[54],"that":[55],"perceived":[57],"would":[58],"increase":[59,107],"their":[60],"from":[62],"given":[64],"list.":[65],"Both":[66],"global":[67],"decreased":[72],"since":[73],"grade.":[76],"Especially":[77],"girls,":[79,139],"decline":[81],"was":[82,88,109],"dramatic.":[83],"The":[84,102],"decrease":[85],"mostly":[89],"attributed":[90],"to":[91,95,106],"peer":[92],"problems":[93],"and,":[94],"lesser":[97],"extent,":[98],"stress":[99],"at":[100,112,142],"school.":[101,143],"factor":[103],"most":[104],"desired":[105],"more":[110,119,121],"success":[111],"school":[113],"followed":[114],"by":[115],"desire":[117],"for":[118],"money,":[120],"free":[122],"time":[123],"girlfriend":[126],"or":[127],"boyfriend.":[128],"Girls":[129],"with":[130],"high":[132],"grade-point":[133],"average":[134],"happier":[136],"than":[137],"other":[138],"globally":[140],"Among":[144],"boys,":[145],"no":[146],"such":[147],"differences":[148],"appeared.":[149]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":5},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}