{"id":1011365,"date":"2022-02-15T02:00:25","date_gmt":"2022-02-15T09:00:25","guid":{"rendered":"https:\/\/www.questionpro.com\/blog\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/"},"modified":"2025-02-17T10:38:21","modified_gmt":"2025-02-17T17:38:21","slug":"teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza","status":"publish","type":"post","link":"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/","title":{"rendered":"Teste de Kruskal-Wallis: O que \u00e9, vantagens e como se realiza"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">O teste <\/span><b>teste de Kruskal Wallis<\/b><span style=\"font-weight: 400;\"> tem o nome de William Kruskal e W. Allen Wallis e \u00e9 utilizado em estat\u00edstica para testar se um conjunto de dados prov\u00e9m ou n\u00e3o da mesma popula\u00e7\u00e3o.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Neste artigo, vais ficar a saber o que \u00e9, quais s\u00e3o as suas vantagens e como desenvolv\u00ea-lo passo a passo.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">O que \u00e9 o <\/span><span style=\"font-weight: 400;\">o teste de Kruskal Wallis?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">O teste H de Kruskal-Wallis \u00e9 um teste n\u00e3o param\u00e9trico <\/span><span style=\"font-weight: 400;\">n\u00e3o param\u00e9trico<\/span><span style=\"font-weight: 400;\"> baseado no intervalo que pode ser utilizado para testar se existem diferen\u00e7as estatisticamente relevantes entre dois ou mais grupos de uma vari\u00e1vel independente numa vari\u00e1vel dependente ordinal ou cont\u00ednua.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">O teste determina se as medianas de dois ou mais grupos s\u00e3o diferentes. Ao faz\u00ea-lo, calcula uma estat\u00edstica de teste e compara-a com um ponto de corte da distribui\u00e7\u00e3o. \u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A estat\u00edstica de teste utilizada \u00e9 chamada de estat\u00edstica H. As hip\u00f3teses do teste s\u00e3o:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H0: as medianas da popula\u00e7\u00e3o s\u00e3o iguais.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H1: As medianas da popula\u00e7\u00e3o n\u00e3o s\u00e3o iguais.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Qual \u00e9 o significado do teste de Kruskal Wallis?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">O teste de Kruskal Wallis \u00e9 considerado a alternativa n\u00e3o param\u00e9trica ao teste <\/span><span style=\"font-weight: 400;\">ANOVA<\/span><span style=\"font-weight: 400;\"> ANOVA unidirecional, e uma extens\u00e3o do teste <\/span><span style=\"font-weight: 400;\">teste U de Mann-Whitney<\/span><span style=\"font-weight: 400;\"> para permitir a compara\u00e7\u00e3o de mais de dois grupos independentes.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">O teste H \u00e9 utilizado quando os pressupostos da ANOVA (como o pressuposto da normalidade) n\u00e3o s\u00e3o cumpridos. Por vezes, \u00e9 referido como ANOVA unidirecional em classifica\u00e7\u00f5es, uma vez que o teste utiliza classifica\u00e7\u00f5es de valores de dados em vez de pontos de dados reais. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sendo n\u00e3o-param\u00e9trico, o teste n\u00e3o assume que os dados prov\u00eam de uma distribui\u00e7\u00e3o espec\u00edfica. O teste de Kruskal Wallis dir-te-\u00e1 se existe uma diferen\u00e7a significativa entre os grupos. No entanto, n\u00e3o te dir\u00e1 que grupos s\u00e3o diferentes.<\/span><\/p>\n<p>\u00a0<\/p>\n<h2><span style=\"font-weight: 400;\">Vantagens da utiliza\u00e7\u00e3o dos modelos de Kruskal Wallis<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Algumas das vantagens da utiliza\u00e7\u00e3o dos modelos de Kruskal Wallis s\u00e3o:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pode ser aplicado a uma vasta gama de situa\u00e7\u00f5es.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compreende-o facilmente e de forma intuitiva.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pode ser utilizado com amostras de menor dimens\u00e3o.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pode ser utilizado para uma variedade de tipos de dados.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Necessita de menos pressupostos ou de pressupostos menos rigorosos sobre a natureza da distribui\u00e7\u00e3o da popula\u00e7\u00e3o.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c9 geralmente robusto e n\u00e3o costuma ser afetado por valores extremos nos dados, como os outliers.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Apresenta um elevado n\u00edvel de efici\u00eancia assint\u00f3tica relativa em compara\u00e7\u00e3o com os testes param\u00e9tricos. <\/span><span style=\"font-weight: 400;\">testes param\u00e9tricos<\/span><span style=\"font-weight: 400;\"> testes param\u00e9tricos.<\/span><\/li>\n<\/ol>\n<p>\u00a0<\/p>\n<h2><span style=\"font-weight: 400;\">Quando \u00e9 que o teste de Kruskal Wallis pode ser utilizado?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Quando decides analisar os teus dados utilizando um teste H de Kruskal-Wallis, parte do processo consiste em verificar se os dados que pretendes analisar podem realmente ser analisados utilizando um teste H de Kruskal-Wallis.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u00f3 \u00e9 apropriado utilizar um teste H de Kruskal-Wallis se os teus dados &#8220;passarem&#8221; os quatro pressupostos necess\u00e1rios para que um teste H de Kruskal-Wallis produza um resultado v\u00e1lido:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Pressuposto n.\u00ba 1:<\/b><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"> Precisas de medir a tua vari\u00e1vel dependente ao n\u00edvel ordinal ou cont\u00ednuo.<\/span><\/span>\n<p>\u00a0<\/p>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Assun\u00e7\u00e3o n\u00ba 2: <\/b><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Dois ou mais de dois grupos categ\u00f3ricos independentes constituem a tua vari\u00e1vel independente. O teste H de Kruskal-Wallis \u00e9 utilizado quando tens tr\u00eas ou mais grupos categ\u00f3ricos independentes, mas s\u00f3 pode ser utilizado para dois grupos.<\/span><\/span>\n<p>\u00a0<\/p>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Pressuposto n.\u00ba 3: <\/b><span style=\"font-weight: 400;\">\u00c9 necess\u00e1rio que as observa\u00e7\u00f5es sejam independentes, ou seja, que n\u00e3o exista qualquer rela\u00e7\u00e3o entre as observa\u00e7\u00f5es dentro dos grupos ou entre grupos.<\/span><\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<h2><span style=\"font-weight: 400;\">Como efetuar o teste de Kruskal Wallis?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Agora que j\u00e1 sabes o que \u00e9 o teste de Krustal Wallis, qual a sua import\u00e2ncia e como saber se o teste de Kruskal Wallis pode ser utilizado, \u00e9 altura de te apresentar como realizar o teste de Kruskal Wallis passo a passo:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Passo 1: <\/b><span style=\"font-weight: 400;\">Ordena os dados de todos os grupos ou amostras por ordem crescente num conjunto combinado.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Passo 2: <\/b><span style=\"font-weight: 400;\">Atribui classifica\u00e7\u00f5es aos pontos de dados ordenados. Atribui aos valores empatados a classifica\u00e7\u00e3o do meio. <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Passo 3:<\/b><span style=\"font-weight: 400;\"> Soma as diferentes classifica\u00e7\u00f5es de cada grupo\/amostra.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Passo 4:<\/b><span style=\"font-weight: 400;\"> Calcula a estat\u00edstica H<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Onde:<\/span><\/p>\n<p><b>n<\/b><span style=\"font-weight: 400;\"> = soma das dimens\u00f5es das amostras para todas as amostras.<\/span><\/p>\n<p><b>c<\/b><span style=\"font-weight: 400;\"> = n\u00famero de amostras.<\/span><\/p>\n<p><b>Tj<\/b><span style=\"font-weight: 400;\"> = soma das classifica\u00e7\u00f5es na amostra.<\/span><\/p>\n<p><b>nj <\/b><span style=\"font-weight: 400;\">= <\/span><span style=\"font-weight: 400;\">tamanho da amostra<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Passo 5: <\/b><span style=\"font-weight: 400;\">Encontra o valor cr\u00edtico do qui-quadrado, com c-1 graus de liberdade. Para 3 &#8211; 1 graus de liberdade e um n\u00edvel alfa de 0,05, o valor cr\u00edtico do qui-quadrado \u00e9 5,9915. <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Passo 6: <\/b><span style=\"font-weight: 400;\">Compara o valor H do passo 4 com o valor cr\u00edtico do qui-quadrado do passo 5.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Se o valor cr\u00edtico do qui-quadrado for inferior \u00e0 estat\u00edstica H, rejeita a hip\u00f3tese nula de que as medianas s\u00e3o iguais.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Se o valor do qui-quadrado n\u00e3o for menor do que a estat\u00edstica H, n\u00e3o h\u00e1 evid\u00eancia suficiente para sugerir que as medianas s\u00e3o desiguais.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Conclus\u00e3o<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Como qualquer teste n\u00e3o param\u00e9trico, a utiliza\u00e7\u00e3o do teste de Kruskal Wallis \u00e9 conveniente quando se trabalha com amostras pequenas, de forma a corroborar os resultados obtidos com base na utiliza\u00e7\u00e3o da teoria de base normal.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Se quiseres saber mais sobre as ferramentas de investiga\u00e7\u00e3o, convidamos-te a descarregar o nosso <\/span><span style=\"font-weight: 400;\">Ebook sobre metodologias de investiga\u00e7\u00e3o avan\u00e7adas<\/span><span style=\"font-weight: 400;\">onde encontrar\u00e1s informa\u00e7\u00f5es detalhadas sobre t\u00e9cnicas como <\/span><span style=\"font-weight: 400;\">an\u00e1lise conjunta <\/span><span style=\"font-weight: 400;\">L\u00f3gicas de investiga\u00e7\u00e3o avan\u00e7adas, relat\u00f3rios e m\u00e9todos de an\u00e1lise para garantir o sucesso da tua pr\u00f3xima investiga\u00e7\u00e3o.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Lembra-te que em <\/span><span style=\"font-weight: 400;\">QuestionPro Audience<\/span><span style=\"font-weight: 400;\"> temos uma gama de servi\u00e7os de pesquisa e amostragem de inquiridos, para al\u00e9m da nossa <\/span><span style=\"font-weight: 400;\">plataforma de inqu\u00e9ritos online gratuita.<\/span><span style=\"font-weight: 400;\"> Se quiseres saber mais, diz-nos quais s\u00e3o as tuas necessidades no nosso chat online.<\/span><\/p>\n\n\n<br>\n<center>\n<a href=\"https:\/\/eu.questionpro.com\/a\/showEntry.do?lan=pt_PT&#038;custom1=blog\">\n        <button style=\"background: #ff9f00\">Cria uma conta gratuita<\/button>\n    <\/a>\n    <a href=\"https:\/\/contactar.questionpro.com\/t\/AM4X9Z3LxD?custom1=teste-de-Kruskal-Wallis\u201d target=\"_blank\" rel=\"noopener\">\n        <button>Agendar uma demonstra\u00e7\u00e3o<\/button>\n    <\/a>\n<\/center>\n<br>\n","protected":false},"excerpt":{"rendered":"<p>O teste teste de Kruskal Wallis tem o nome de William Kruskal e W. Allen Wallis e \u00e9 utilizado em [&hellip;]<\/p>\n","protected":false},"author":42,"featured_media":950246,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[2140],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Teste de Kruskal-Wallis: O que \u00e9, vantagens e como se realiza<\/title>\n<meta name=\"description\" content=\"Descobre o que \u00e9 o teste de Kruskal Wallis, a sua import\u00e2ncia na investiga\u00e7\u00e3o, as suas vantagens e como \u00e9 realizado passo a passo.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Teste de Kruskal-Wallis: O que \u00e9, vantagens e como se realiza\" \/>\n<meta property=\"og:description\" content=\"Descobre o que \u00e9 o teste de Kruskal Wallis, a sua import\u00e2ncia na investiga\u00e7\u00e3o, as suas vantagens e como \u00e9 realizado passo a passo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/\" \/>\n<meta property=\"og:site_name\" content=\"QuestionPro\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/questionpro\" \/>\n<meta property=\"article:published_time\" content=\"2022-02-15T09:00:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-17T17:38:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2022\/02\/1936-prueba-de-Kruskal-Wallis.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Cristina Ortega\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@questionpro\" \/>\n<meta name=\"twitter:site\" content=\"@questionpro\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Cristina Ortega\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/\"},\"author\":{\"name\":\"Cristina Ortega\",\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/#\/schema\/person\/36aae2d8eed7708b6408f95c0198593d\"},\"headline\":\"Teste de Kruskal-Wallis: O que \u00e9, vantagens e como se realiza\",\"datePublished\":\"2022-02-15T09:00:25+00:00\",\"dateModified\":\"2025-02-17T17:38:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/\"},\"wordCount\":987,\"publisher\":{\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/#organization\"},\"articleSection\":[\"Pesquisa de mercado\"],\"inLanguage\":\"pt\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/\",\"url\":\"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/\",\"name\":\"Teste de Kruskal-Wallis: O que \u00e9, vantagens e como se realiza\",\"isPartOf\":{\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/#website\"},\"datePublished\":\"2022-02-15T09:00:25+00:00\",\"dateModified\":\"2025-02-17T17:38:21+00:00\",\"description\":\"Descobre o que \u00e9 o teste de Kruskal Wallis, a sua import\u00e2ncia na investiga\u00e7\u00e3o, as suas vantagens e como \u00e9 realizado passo a passo.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/#breadcrumb\"},\"inLanguage\":\"pt\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.questionpro.com\/blog\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Pesquisa de mercado\",\"item\":\"https:\/\/www.questionpro.com\/blog\/pt\/category\/pesquisa-de-mercado-pt\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Teste de Kruskal-Wallis: O que \u00e9, vantagens e como se realiza\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/#website\",\"url\":\"https:\/\/www.questionpro.com\/blog\/pt\/\",\"name\":\"QuestionPro\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.questionpro.com\/blog\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/#organization\",\"name\":\"QuestionPro\",\"url\":\"https:\/\/www.questionpro.com\/blog\/pt\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt\",\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2022\/10\/questionpro-logo.svg\",\"contentUrl\":\"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2022\/10\/questionpro-logo.svg\",\"caption\":\"QuestionPro\"},\"image\":{\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/questionpro\",\"https:\/\/twitter.com\/questionpro\",\"https:\/\/www.linkedin.com\/company\/questionpro\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/#\/schema\/person\/36aae2d8eed7708b6408f95c0198593d\",\"name\":\"Cristina Ortega\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt\",\"@id\":\"https:\/\/www.questionpro.com\/blog\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/49635f2181bfe83c436d50b9a8bf1f2e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/49635f2181bfe83c436d50b9a8bf1f2e?s=96&d=mm&r=g\",\"caption\":\"Cristina Ortega\"},\"url\":\"https:\/\/www.questionpro.com\/blog\/pt\/author\/cristinaortega\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Teste de Kruskal-Wallis: O que \u00e9, vantagens e como se realiza","description":"Descobre o que \u00e9 o teste de Kruskal Wallis, a sua import\u00e2ncia na investiga\u00e7\u00e3o, as suas vantagens e como \u00e9 realizado passo a passo.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/","og_locale":"pt_PT","og_type":"article","og_title":"Teste de Kruskal-Wallis: O que \u00e9, vantagens e como se realiza","og_description":"Descobre o que \u00e9 o teste de Kruskal Wallis, a sua import\u00e2ncia na investiga\u00e7\u00e3o, as suas vantagens e como \u00e9 realizado passo a passo.","og_url":"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/","og_site_name":"QuestionPro","article_publisher":"https:\/\/www.facebook.com\/questionpro","article_published_time":"2022-02-15T09:00:25+00:00","article_modified_time":"2025-02-17T17:38:21+00:00","og_image":[{"width":900,"height":600,"url":"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2022\/02\/1936-prueba-de-Kruskal-Wallis.jpg","type":"image\/jpeg"}],"author":"Cristina Ortega","twitter_card":"summary_large_image","twitter_creator":"@questionpro","twitter_site":"@questionpro","twitter_misc":{"Written by":"Cristina Ortega","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/#article","isPartOf":{"@id":"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/"},"author":{"name":"Cristina Ortega","@id":"https:\/\/www.questionpro.com\/blog\/pt\/#\/schema\/person\/36aae2d8eed7708b6408f95c0198593d"},"headline":"Teste de Kruskal-Wallis: O que \u00e9, vantagens e como se realiza","datePublished":"2022-02-15T09:00:25+00:00","dateModified":"2025-02-17T17:38:21+00:00","mainEntityOfPage":{"@id":"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/"},"wordCount":987,"publisher":{"@id":"https:\/\/www.questionpro.com\/blog\/pt\/#organization"},"articleSection":["Pesquisa de mercado"],"inLanguage":"pt"},{"@type":"WebPage","@id":"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/","url":"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/","name":"Teste de Kruskal-Wallis: O que \u00e9, vantagens e como se realiza","isPartOf":{"@id":"https:\/\/www.questionpro.com\/blog\/pt\/#website"},"datePublished":"2022-02-15T09:00:25+00:00","dateModified":"2025-02-17T17:38:21+00:00","description":"Descobre o que \u00e9 o teste de Kruskal Wallis, a sua import\u00e2ncia na investiga\u00e7\u00e3o, as suas vantagens e como \u00e9 realizado passo a passo.","breadcrumb":{"@id":"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/#breadcrumb"},"inLanguage":"pt","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.questionpro.com\/blog\/pt\/teste-de-kruskal-wallis-o-que-e-vantagens-e-como-se-realiza\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.questionpro.com\/blog\/pt\/"},{"@type":"ListItem","position":2,"name":"Pesquisa de mercado","item":"https:\/\/www.questionpro.com\/blog\/pt\/category\/pesquisa-de-mercado-pt\/"},{"@type":"ListItem","position":3,"name":"Teste de Kruskal-Wallis: O que \u00e9, vantagens e como se realiza"}]},{"@type":"WebSite","@id":"https:\/\/www.questionpro.com\/blog\/pt\/#website","url":"https:\/\/www.questionpro.com\/blog\/pt\/","name":"QuestionPro","description":"","publisher":{"@id":"https:\/\/www.questionpro.com\/blog\/pt\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.questionpro.com\/blog\/pt\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"pt"},{"@type":"Organization","@id":"https:\/\/www.questionpro.com\/blog\/pt\/#organization","name":"QuestionPro","url":"https:\/\/www.questionpro.com\/blog\/pt\/","logo":{"@type":"ImageObject","inLanguage":"pt","@id":"https:\/\/www.questionpro.com\/blog\/pt\/#\/schema\/logo\/image\/","url":"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2022\/10\/questionpro-logo.svg","contentUrl":"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2022\/10\/questionpro-logo.svg","caption":"QuestionPro"},"image":{"@id":"https:\/\/www.questionpro.com\/blog\/pt\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/questionpro","https:\/\/twitter.com\/questionpro","https:\/\/www.linkedin.com\/company\/questionpro\/"]},{"@type":"Person","@id":"https:\/\/www.questionpro.com\/blog\/pt\/#\/schema\/person\/36aae2d8eed7708b6408f95c0198593d","name":"Cristina Ortega","image":{"@type":"ImageObject","inLanguage":"pt","@id":"https:\/\/www.questionpro.com\/blog\/pt\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/49635f2181bfe83c436d50b9a8bf1f2e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/49635f2181bfe83c436d50b9a8bf1f2e?s=96&d=mm&r=g","caption":"Cristina Ortega"},"url":"https:\/\/www.questionpro.com\/blog\/pt\/author\/cristinaortega\/"}]}},"featured_image_src":"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2022\/02\/1936-prueba-de-Kruskal-Wallis.jpg","featured_image_src_square":"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2022\/02\/1936-prueba-de-Kruskal-Wallis.jpg","author_info":{"display_name":"Cristina Ortega","author_link":"https:\/\/www.questionpro.com\/blog\/pt\/author\/cristinaortega\/"},"_links":{"self":[{"href":"https:\/\/www.questionpro.com\/blog\/pt\/wp-json\/wp\/v2\/posts\/1011365"}],"collection":[{"href":"https:\/\/www.questionpro.com\/blog\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.questionpro.com\/blog\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.questionpro.com\/blog\/pt\/wp-json\/wp\/v2\/users\/42"}],"replies":[{"embeddable":true,"href":"https:\/\/www.questionpro.com\/blog\/pt\/wp-json\/wp\/v2\/comments?post=1011365"}],"version-history":[{"count":2,"href":"https:\/\/www.questionpro.com\/blog\/pt\/wp-json\/wp\/v2\/posts\/1011365\/revisions"}],"predecessor-version":[{"id":1011368,"href":"https:\/\/www.questionpro.com\/blog\/pt\/wp-json\/wp\/v2\/posts\/1011365\/revisions\/1011368"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.questionpro.com\/blog\/pt\/wp-json\/wp\/v2\/media\/950246"}],"wp:attachment":[{"href":"https:\/\/www.questionpro.com\/blog\/pt\/wp-json\/wp\/v2\/media?parent=1011365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.questionpro.com\/blog\/pt\/wp-json\/wp\/v2\/categories?post=1011365"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.questionpro.com\/blog\/pt\/wp-json\/wp\/v2\/tags?post=1011365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}