{"id":"https://openalex.org/W2965249208","doi":"https://doi.org/10.1177/2515245919855053","title":"A Simple Method for Removing Bias From a Popular Measure of Standardized Effect Size: Adjusted Partial Eta Squared","display_name":"A Simple Method for Removing Bias From a Popular Measure of Standardized Effect Size: Adjusted Partial Eta Squared","publication_year":2019,"publication_date":"2019-07-30","ids":{"openalex":"https://openalex.org/W2965249208","doi":"https://doi.org/10.1177/2515245919855053","mag":"2965249208"},"language":"en","primary_location":{"id":"doi:10.1177/2515245919855053","doi":"https://doi.org/10.1177/2515245919855053","is_oa":false,"landing_page_url":"https://doi.org/10.1177/2515245919855053","pdf_url":null,"source":{"id":"https://openalex.org/S4210173062","display_name":"Advances in Methods and Practices in Psychological Science","issn_l":"2515-2459","issn":["2515-2459","2515-2467"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Advances in Methods and Practices in Psychological Science","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"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/A5071654972","display_name":"J. Toby Mordkoff","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I126307644","display_name":"University of Iowa","ror":"https://ror.org/036jqmy94","country_code":"US","type":"education","lineage":["https://openalex.org/I126307644"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"J. Toby Mordkoff","raw_affiliation_strings":["Department of Psychological and Brain Sciences, University of Iowa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychological and Brain Sciences, University of Iowa","institution_ids":["https://openalex.org/I126307644"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5071654972"],"corresponding_institution_ids":["https://openalex.org/I126307644"],"apc_list":{"value":2000,"currency":"USD","value_usd":2000},"apc_paid":null,"fwci":9.3909,"has_fulltext":false,"cited_by_count":122,"citation_normalized_percentile":{"value":0.9880013,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"2","issue":"3","first_page":"228","last_page":"232"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10206","display_name":"Meta-analysis and systematic reviews","score":0.8988999724388123,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10206","display_name":"Meta-analysis and systematic reviews","score":0.8988999724388123,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13284","display_name":"Psychology Research and Bibliometrics","score":0.03660000115633011,"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/T10243","display_name":"Statistical Methods and Bayesian Inference","score":0.013799999840557575,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/partial-eta-squared","display_name":"partial eta squared","score":0.8569999933242798},{"id":"https://openalex.org/keywords/bias-correction","display_name":"bias correction","score":0.7689999938011169},{"id":"https://openalex.org/keywords/standardized-effect-size","display_name":"standardized effect size","score":0.9599999785423279},{"id":"https://openalex.org/keywords/a-priori-power-analysis","display_name":"a priori power analysis","score":0.7749999761581421}],"concepts":[{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.7852463722229004},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.6390612125396729},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.6326991319656372},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.6164479851722717},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6003327369689941},{"id":"https://openalex.org/C75553542","wikidata":"https://www.wikidata.org/wiki/Q178161","display_name":"A priori and a posteriori","level":2,"score":0.42435887455940247},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.4060535132884979},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.17200863361358643},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.07231271266937256},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1177/2515245919855053","doi":"https://doi.org/10.1177/2515245919855053","is_oa":false,"landing_page_url":"https://doi.org/10.1177/2515245919855053","pdf_url":null,"source":{"id":"https://openalex.org/S4210173062","display_name":"Advances in Methods and Practices in Psychological Science","issn_l":"2515-2459","issn":["2515-2459","2515-2467"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Advances in Methods and Practices in Psychological Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1976560613","https://openalex.org/W1982286843","https://openalex.org/W1991175068","https://openalex.org/W1994830960","https://openalex.org/W2011550426","https://openalex.org/W2055566656","https://openalex.org/W2065026925","https://openalex.org/W2072713552","https://openalex.org/W2073745117","https://openalex.org/W2100267603","https://openalex.org/W2101353123","https://openalex.org/W2108024108","https://openalex.org/W2133084664","https://openalex.org/W2144981148","https://openalex.org/W2155735277","https://openalex.org/W2320642314","https://openalex.org/W2470338587","https://openalex.org/W2766522838","https://openalex.org/W2892211387","https://openalex.org/W4229500531","https://openalex.org/W4231166841","https://openalex.org/W4300870773"],"related_works":["https://openalex.org/W4220784683","https://openalex.org/W1787773050","https://openalex.org/W2133084664","https://openalex.org/W2108024108","https://openalex.org/W7204001518","https://openalex.org/W4224210118","https://openalex.org/W6887712428","https://openalex.org/W3025839850","https://openalex.org/W2155735277","https://openalex.org/W2756450828"],"abstract_inverted_index":{"Accurate":[0],"estimates":[1],"of":[2,27,107,111],"population":[3],"effect":[4,29],"size":[5],"are":[6,115],"critical":[7],"to":[8,39,74,91,96],"empirical":[9],"science,":[10],"for":[11,62,85],"both":[12,60],"reporting":[13],"experimental":[14],"results":[15],"and":[16,52],"conducting":[17],"a":[18,82,93],"priori":[19],"power":[20],"analyses.":[21],"Unfortunately,":[22],"the":[23,108],"current":[24],"most-popular":[25],"measure":[26,114],"standardized":[28],"size,":[30],"partial":[31,46,53,99],"eta":[32,100],"squared":[33,48,55,101],"([Formula:":[34,49,56],"see":[35,50,57,77,104],"text]),":[36,58],"is":[37,66],"known":[38],"have":[40,59],"positive":[41],"bias.":[42],"Two":[43],"less-biased":[44],"alternatives,":[45],"epsilon":[47],"text])":[51],"omega":[54],"existed":[61],"decades,":[63],"but":[64],"neither":[65],"often":[67],"employed.":[68],"Given":[69],"that":[70],"researchers":[71],"appear":[72],"reluctant":[73],"abandon":[75],"[Formula:":[76,103],"text],":[78],"this":[79,89,113],"article":[80],"provides":[81],"simple":[83],"method":[84],"removing":[86],"bias":[87],"from":[88],"measure,":[90],"produce":[92],"value":[94],"referred":[95],"as":[97],"adjusted":[98],"(adj":[102],"text]).":[105],"Some":[106],"many":[109],"benefits":[110],"adopting":[112],"briefly":[116],"discussed.":[117]},"counts_by_year":[{"year":2026,"cited_by_count":9},{"year":2025,"cited_by_count":18},{"year":2024,"cited_by_count":17},{"year":2023,"cited_by_count":22},{"year":2022,"cited_by_count":20},{"year":2021,"cited_by_count":14},{"year":2020,"cited_by_count":17},{"year":2019,"cited_by_count":4}],"updated_date":"2026-10-22T09:42:04.148104","created_date":"2019-08-13T00:00:00"}
