{"id":"https://openalex.org/W2054717323","doi":"https://doi.org/10.1080/09291016.2012.739930","title":"German version of the reduced Morningness\u2013Eveningness Questionnaire (rMEQ)","display_name":"German version of the reduced Morningness\u2013Eveningness Questionnaire (rMEQ)","publication_year":2012,"publication_date":"2012-10-16","ids":{"openalex":"https://openalex.org/W2054717323","doi":"https://doi.org/10.1080/09291016.2012.739930","mag":"2054717323"},"language":"en","primary_location":{"id":"doi:10.1080/09291016.2012.739930","doi":"https://doi.org/10.1080/09291016.2012.739930","is_oa":false,"landing_page_url":"https://doi.org/10.1080/09291016.2012.739930","pdf_url":null,"source":{"id":"https://openalex.org/S43540244","display_name":"Biological Rhythm Research","issn_l":"0929-1016","issn":["0929-1016","1744-4179"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biological Rhythm Research","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009613596","display_name":"Christoph Randler","orcid":"https://orcid.org/0000-0002-7357-2793","observed_orcids":["https://orcid.org/0000-0002-7357-2793"]},"institutions":[{"id":"https://openalex.org/I4210086570","display_name":"Heidelberg University of Education","ror":"https://ror.org/0044w3h23","country_code":"DE","type":"education","lineage":["https://openalex.org/I4210086570"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Christoph Randler","raw_affiliation_strings":["Institute of Science, Geography & Technology, University of Education Heidelberg, Heidelberg, D-69120, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Science, Geography & Technology, University of Education Heidelberg, Heidelberg, D-69120, Germany","institution_ids":["https://openalex.org/I4210086570"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5009613596"],"corresponding_institution_ids":["https://openalex.org/I4210086570"],"apc_list":null,"apc_paid":null,"fwci":3.4303,"has_fulltext":false,"cited_by_count":61,"citation_normalized_percentile":{"value":0.916532,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"44","issue":"5","first_page":"730","last_page":"736"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10316","display_name":"Sleep and related disorders","score":0.6523000001907349,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive 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/T10316","display_name":"Sleep and related disorders","score":0.6523000001907349,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive 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/T10342","display_name":"Circadian rhythm and melatonin","score":0.3163999915122986,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11373","display_name":"Sleep and Work-Related Fatigue","score":0.016599999740719795,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive 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/circadian-preference","display_name":"circadian preference","score":0.9330000281333923},{"id":"https://openalex.org/keywords/chronotype","display_name":"chronotype","score":0.8949999809265137},{"id":"https://openalex.org/keywords/german-adaptation","display_name":"German adaptation","score":0.7170000076293945},{"id":"https://openalex.org/keywords/psychometric-validation","display_name":"psychometric validation","score":0.7440000176429749},{"id":"https://openalex.org/keywords/convergent-validity","display_name":"convergent validity","score":0.9079999923706055},{"id":"https://openalex.org/keywords/composite-scale-of-morningness","display_name":"Composite Scale of Morningness","score":0.8840000033378601},{"id":"https://openalex.org/keywords/cutoff-values","display_name":"cut-off values","score":0.5929999947547913}],"concepts":[{"id":"https://openalex.org/C179861144","wikidata":"https://www.wikidata.org/wiki/Q2168094","display_name":"Varimax rotation","level":4,"score":0.8349330425262451},{"id":"https://openalex.org/C106906290","wikidata":"https://www.wikidata.org/wiki/Q1140909","display_name":"Cronbach's alpha","level":3,"score":0.686125636100769},{"id":"https://openalex.org/C47056694","wikidata":"https://www.wikidata.org/wiki/Q184869","display_name":"Chronotype","level":3,"score":0.6330255270004272},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.5982211828231812},{"id":"https://openalex.org/C2778217198","wikidata":"https://www.wikidata.org/wiki/Q556977","display_name":"Cutoff","level":2,"score":0.5950348377227783},{"id":"https://openalex.org/C154775046","wikidata":"https://www.wikidata.org/wiki/Q188","display_name":"German","level":2,"score":0.5916962623596191},{"id":"https://openalex.org/C19720800","wikidata":"https://www.wikidata.org/wiki/Q7722","display_name":"Morning","level":2,"score":0.5757648348808289},{"id":"https://openalex.org/C121446783","wikidata":"https://www.wikidata.org/wiki/Q208353","display_name":"Circadian rhythm","level":2,"score":0.45948633551597595},{"id":"https://openalex.org/C117220453","wikidata":"https://www.wikidata.org/wiki/Q5172842","display_name":"Correlation","level":2,"score":0.43068134784698486},{"id":"https://openalex.org/C121244757","wikidata":"https://www.wikidata.org/wiki/Q1783487","display_name":"Convergent validity","level":4,"score":0.41694456338882446},{"id":"https://openalex.org/C70410870","wikidata":"https://www.wikidata.org/wiki/Q199906","display_name":"Clinical psychology","level":1,"score":0.4139247536659241},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.4127030670642853},{"id":"https://openalex.org/C171606756","wikidata":"https://www.wikidata.org/wiki/Q506132","display_name":"Psychometrics","level":2,"score":0.29940879344940186},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23991602659225464},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.22297576069831848},{"id":"https://openalex.org/C3018868096","wikidata":"https://www.wikidata.org/wiki/Q2693233","display_name":"Internal consistency","level":3,"score":0.10266327857971191},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.10165661573410034},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0962153971195221},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/09291016.2012.739930","doi":"https://doi.org/10.1080/09291016.2012.739930","is_oa":false,"landing_page_url":"https://doi.org/10.1080/09291016.2012.739930","pdf_url":null,"source":{"id":"https://openalex.org/S43540244","display_name":"Biological Rhythm Research","issn_l":"0929-1016","issn":["0929-1016","1744-4179"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biological Rhythm Research","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.5683000087738037,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1842316248","https://openalex.org/W1874386989","https://openalex.org/W1963638096","https://openalex.org/W2004907835","https://openalex.org/W2019448852","https://openalex.org/W2023653151","https://openalex.org/W2028981004","https://openalex.org/W2041671002","https://openalex.org/W2041749697","https://openalex.org/W2053165227","https://openalex.org/W2063335898","https://openalex.org/W2072583044","https://openalex.org/W2074885140","https://openalex.org/W2078216235","https://openalex.org/W2122858710","https://openalex.org/W2142131266","https://openalex.org/W3041598772","https://openalex.org/W3087785638","https://openalex.org/W4206033212"],"related_works":["https://openalex.org/W4393386874","https://openalex.org/W2141090329","https://openalex.org/W6920736926","https://openalex.org/W2058378122","https://openalex.org/W4396977837","https://openalex.org/W4406151924","https://openalex.org/W1940706613","https://openalex.org/W3141064060","https://openalex.org/W1874386989","https://openalex.org/W4401354778"],"abstract_inverted_index":{"The":[0,110,137],"Morningness\u2013Eveningness":[1],"Questionnaire":[2],"(MEQ)":[3],"is":[4,29,145],"the":[5,15,18,27,41,45,72,113,119,125,143,155],"most":[6],"widely":[7],"known":[8],"questionnaire":[9],"to":[10,31,50,65],"assess":[11],"circadian":[12],"preference.":[13],"In":[14],"present":[16],"study,":[17],"reduced":[19],"MEQ":[20],"(rMEQ),":[21],"a":[22,107,130,147],"short":[23],"five-item":[24],"version":[25],"of":[26,36,48,116],"MEQ,":[28],"adapted":[30],"German":[32,42,152],"language.":[33],"A":[34,99],"total":[35,73],"594":[37],"participants":[38],"filled":[39],"in":[40,77,81,150,163],"rMEQ":[43,55,120,144],"and":[44,61,75,79,94,118,161],"Composite":[46,114],"Scale":[47,115],"Morningness":[49,117],"measure":[51],"convergent":[52],"validity.":[53],"Mean":[54],"scores":[56,84,157],"were":[57],"13.97":[58],"\u00b1":[59],"3.44":[60],"ranged":[62],"from":[63],"5":[64],"24.":[66],"Cronbach's":[67],"\u03b1":[68],"was":[69,121,129],"0.723":[70],"for":[71],"sample":[74],"0.722":[76],"men":[78],"0.701":[80],"women.":[82],"Cutoff":[83],"showed":[85],"126":[86],"(21.2%)":[87],"morning":[88,97],"types,":[89,93],"385":[90],"(64.8%)":[91],"neither":[92],"83":[95],"(14.0%)":[96],"types.":[98],"principal":[100],"component":[101],"analysis":[102],"with":[103],"varimax":[104],"rotation":[105],"revealed":[106],"single-factor":[108],"solution.":[109],"correlation":[111],"between":[112],"0.885.":[122],"Based":[123],"on":[124],"type":[126],"classification,":[127],"there":[128],"good":[131],"agreement":[132],"(Cramer":[133],"coefficient":[134],"=":[135],"0.622).":[136],"data":[138],"presented":[139],"here":[140],"show":[141],"that":[142],"also":[146],"reliable":[148],"tool":[149],"its":[151],"adaptation,":[153],"but":[154],"cutoff":[156],"should":[158],"be":[159],"refined":[160],"discussed":[162],"further":[164],"work.":[165]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}
