{"doi":"10.1002/9780470479216.corpsy0491","title":"Kruskal‐Wallis Test","abstract":"<jats:title>Abstract</jats:title>\n          <jats:p>The Kruskal‐Wallis (Kruskal &amp; Wallis, 1952) is a nonparametric statistical test that assesses the differences among three or more independently sampled groups on a single, non‐normally distributed continuous variable. Non‐normally distributed data (e.g., ordinal or rank data) are suitable for the Kruskal‐Wallis test. In contrast, the one‐way analysis of variance (ANOVA), which is a parametric test, may be used for a normally distributed continuous variable. The Kruskal‐Wallis test is an extension of the two‐group Mann‐Whitney U (Wilcoxon rank) test. Thus, the Kruskal‐Wallis is a more generalized form of the Mann‐Whitney U test and is the nonparametric version of the one‐way ANOVA.</jats:p>","journal":"The Corsini Encyclopedia of Psychology","year":2010,"id":621048,"datarank":0.9998525576673614,"base_score":6.665683717782408,"endowment":6.665683717782408,"self_citation_contribution":0.9998525576673614,"citation_network_contribution":0.0,"self_endowment_contribution":0.9998525576673614,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":784,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1603481,"name":"Julius Najab","orcid":null,"position":1,"is_corresponding":false},{"id":1603479,"name":"Patrick E. 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Thus, the Kruskal‐Wallis is a more generalized form of the Mann‐Whitney U test and is the nonparametric version of the one‐way ANOVA.</jats:p>","is_dataset_classified":null,"base_score":6.665683717782408,"endowment":6.665683717782408,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"19910364","pmcid":null,"openalex_id":"https://openalex.org/W1510833811","authors":[],"funders":[],"total_grants":0,"fwci":null,"citation_percentile":null,"influential_citations":0,"citation_trend":[{"year":2012,"count":9},{"year":2013,"count":10},{"year":2014,"count":9},{"year":2015,"count":8},{"year":2016,"count":11},{"year":2017,"count":24},{"year":2018,"count":26},{"year":2019,"count":37},{"year":2020,"count":54},{"year":2021,"count":66},{"year":2022,"count":71},{"year":2023,"count":93},{"year":2024,"count":139},{"year":2025,"count":149},{"year":2026,"count":69}],"oa_status":"closed","license":"http://doi.wiley.com/10.1002/tdm_license_1.1","oa_locations":[{"url":"https://onlinelibrary.wiley.com/doi/pdf/10.1002/9780470479216.corpsy0491","host_type":"publisher"},{"url":"https://onlinelibrary.wiley.com/doi/full-xml/10.1002/9780470479216.corpsy0491","host_type":"publisher"},{"url":"https://doi.org/10.1002/9780470479216.corpsy0491","host_type":"journal"}],"fields_of_study":["Advanced Statistical Methods and Models"],"mesh_terms":[],"keywords":["Kruskal–Wallis one-way analysis of variance","Mann–Whitney U test","Nonparametric statistics","Kruskal's algorithm","Analysis of variance","Mathematics","Statistics","Wilcoxon signed-rank test","One-way analysis of variance","Goldfeld–Quandt test","Ordinal data","Pearson's chi-squared test","Statistical hypothesis testing","Algorithm","Z-test","Test statistic"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-03T13:02:31.280678Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}