{"id":897,"date":"2026-05-21T02:22:55","date_gmt":"2026-05-21T02:22:55","guid":{"rendered":"http:\/\/casrai.org\/wp\/dictionary\/term\/h-index\/"},"modified":"2026-05-21T02:22:55","modified_gmt":"2026-05-21T02:22:55","slug":"h-index","status":"publish","type":"dictionary_term","link":"http:\/\/casrai.org\/wp\/dictionary\/term\/h-index\/","title":{"rendered":"h-index"},"content":{"rendered":"<p>The h-index is computed from a citation list by sorting papers by citation count in descending order and finding the largest h where the h-th paper has at least h citations. It conflates productivity and impact in a single integer. The metric is field-dependent (citation cultures and densities differ widely), time-dependent (it can only grow), database-dependent (Google Scholar, Scopus and Web of Science return different values), and insensitive to highly cited outliers above the threshold. Responsible-assessment frameworks (DORA, Leiden Manifesto, CoARA, Hong Kong Principles) explicitly caution against using h-index for hiring, promotion or funding decisions.<\/p>\n<h3>References<\/h3>\n<ul>\n<li>Hirsch JE, PNAS 102(46):16569-16572, 2005. Bornmann L &amp; Daniel HD &#039;The state of h index research&#039;, 2009.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The h-index is computed from a citation list by sorting papers by citation count in descending order and finding the largest h where the h-th paper has at least h citations. It conflates productivity and impact in a single integer. The metric is field-dependent (citation cultures and densities differ widely), time-dependent (it can only grow), [&hellip;]<\/p>\n","protected":false},"author":0,"template":"","meta":{"_def_operational":"A researcher-level metric proposed by Jorge Hirsch in 2005, defined as the largest number h such that the researcher has published h papers each cited at least h times.","_examples":"[\"A bibliometric study reports h-index distributions across a field as context for further analysis.\",\"A scholar discloses their h-index with a caveat about field norms in a reflective piece.\"]","_counter_examples":"[\"Comparing h-index across disciplines as a ranking criterion in hiring.\",\"Setting an h-index threshold for promotion eligibility.\"]","_aliases":"[\"Hirsch index\",\"h\"]","_canonical_uri":"https:\/\/casrai.org\/dictionary\/term\/h-index","_status":"stable","_version":"v2026.2","_priority":"secondary","_stewardship_canonical_at":"","_stewardship_stewarded_by":"CASRAI Editorial Board","_relationships":"[{\"type\":\"related\",\"target_slug\":\"Journal Impact Factor (JIF)\"},{\"type\":\"related\",\"target_slug\":\"Responsible metrics\"},{\"type\":\"related\",\"target_slug\":\"Field-Weighted Citation Impact (FWCI)\"},{\"type\":\"related\",\"target_slug\":\"DORA (San Francisco Declaration on Research Assessment)\"}]","_translations_status":"{\"en\":\"approved\"}","_jats_role_uri":"","_legacy_source":"imported from CASRAI dictionary v2026.2 batch (2026-05-20)","footnotes":""},"dictionary_domain":[30],"class_list":["post-897","dictionary_term","type-dictionary_term","status-publish","hentry","dictionary_domain-responsible-assessment"],"_links":{"self":[{"href":"http:\/\/casrai.org\/wp\/wp-json\/wp\/v2\/dictionary_term\/897","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/casrai.org\/wp\/wp-json\/wp\/v2\/dictionary_term"}],"about":[{"href":"http:\/\/casrai.org\/wp\/wp-json\/wp\/v2\/types\/dictionary_term"}],"version-history":[{"count":0,"href":"http:\/\/casrai.org\/wp\/wp-json\/wp\/v2\/dictionary_term\/897\/revisions"}],"wp:attachment":[{"href":"http:\/\/casrai.org\/wp\/wp-json\/wp\/v2\/media?parent=897"}],"wp:term":[{"taxonomy":"dictionary_domain","embeddable":true,"href":"http:\/\/casrai.org\/wp\/wp-json\/wp\/v2\/dictionary_domain?post=897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}