{"id":804,"date":"2023-07-28T16:58:30","date_gmt":"2023-07-28T16:58:30","guid":{"rendered":"https:\/\/statorials.org\/pt\/teste-de-independencia-chi-quadrado-spss\/"},"modified":"2023-07-28T16:58:30","modified_gmt":"2023-07-28T16:58:30","slug":"teste-de-independencia-chi-quadrado-spss","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/teste-de-independencia-chi-quadrado-spss\/","title":{"rendered":"Como realizar um teste de independ\u00eancia qui-quadrado no spss"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Um <a href=\"https:\/\/statorials.org\/pt\/teste-de-independencia-do-qui-quadrado\/\" target=\"_blank\" rel=\"noopener\">teste de independ\u00eancia do qui-quadrado<\/a> <span style=\"color: #000000;\">\u00e9 usado para determinar se existe ou n\u00e3o uma associa\u00e7\u00e3o significativa entre duas vari\u00e1veis categ\u00f3ricas.<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Este tutorial explica como realizar um teste de independ\u00eancia qui-quadrado no SPSS.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo: teste de independ\u00eancia qui-quadrado no SPSS<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Suponhamos que queremos saber se o g\u00e9nero est\u00e1 ou n\u00e3o associado \u00e0 prefer\u00eancia por um partido pol\u00edtico. Pegamos uma amostra aleat\u00f3ria simples de 500 eleitores e perguntamos-lhes sobre suas prefer\u00eancias partid\u00e1rias. A tabela a seguir apresenta os resultados da pesquisa:<\/span><\/p>\n<table width=\"379\">\n<tbody>\n<tr>\n<td width=\"84\"><\/td>\n<td style=\"text-align: center;\" width=\"74\"> <span style=\"color: #000000;\"><strong>Republicano<\/strong><\/span><\/td>\n<td style=\"text-align: center;\" width=\"74\"> <span style=\"color: #000000;\"><strong>Democrata<\/strong><\/span><\/td>\n<td style=\"text-align: center;\" width=\"110\"> <span style=\"color: #000000;\"><strong>Independente<\/strong><\/span><\/td>\n<td style=\"text-align: center;\" width=\"37\"> <span style=\"color: #000000;\"><strong>Total<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td> <span style=\"color: #000000;\"><strong>Macho<\/strong><\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">120<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">90<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">40<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">250<\/span><\/td>\n<\/tr>\n<tr>\n<td> <span style=\"color: #000000;\"><strong>F\u00eamea<\/strong><\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">110<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">95<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">45<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">250<\/span><\/td>\n<\/tr>\n<tr>\n<td> <span style=\"color: #000000;\"><strong>Total<\/strong><\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">230<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">185<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">85<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">500<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">Use as etapas a seguir para realizar um teste qui-quadrado de independ\u00eancia no SPSS para determinar se o g\u00eanero est\u00e1 associado \u00e0 prefer\u00eancia partid\u00e1ria.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Passo 1: Insira os dados.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Primeiro, insira os dados no seguinte formato:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-8886 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/independantspss1.png\" alt=\"\" width=\"404\" height=\"336\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><strong>Etapa 2: use caixas ponderadas.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Para que o teste funcione corretamente, precisamos informar ao SPSS que as vari\u00e1veis Party e Gender devem ser ponderadas pela vari\u00e1vel Count.<\/span><\/p>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">Clique na guia <strong>Dados<\/strong> e em <strong>Casos de peso<\/strong> :<\/span> <\/p>\n<p data-slot-rendered-dynamic=\"true\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-8887 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/independantspss2.png\" alt=\"\" width=\"375\" height=\"437\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">Na nova janela que aparece, arraste a vari\u00e1vel <strong>Count<\/strong> para a \u00e1rea chamada Test Variable List. Em seguida, clique em <strong>OK<\/strong> .<\/span> <\/p>\n<p data-slot-rendered-dynamic=\"true\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-8892 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/independantspss6.png\" alt=\"\" width=\"533\" height=\"300\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><strong>Etapa 3: execute o teste de adequa\u00e7\u00e3o do qui-quadrado.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Clique na guia <strong>Analisar<\/strong> , depois em <strong>Estat\u00edsticas Descritivas<\/strong> e em <strong>Crosstabs<\/strong> :<\/span><\/p>\n<p> <span style=\"color: #000000;\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-8888 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/independantspss3.png\" alt=\"\" width=\"467\" height=\"362\" srcset=\"\" sizes=\"auto, \"><\/span><\/p>\n<p> <span style=\"color: #000000;\">Na nova janela que aparece, arraste a vari\u00e1vel <strong>G\u00eanero<\/strong> para a \u00e1rea denominada Linhas e a vari\u00e1vel <strong>Parte<\/strong> para a \u00e1rea denominada Colunas. Em seguida, clique em <strong>Estat\u00edsticas<\/strong> e certifique-se de que a caixa ao lado de <strong>Qui Quadrado<\/strong> esteja marcada. <strong>Clique em Continuar<\/strong> . Em seguida, clique em <strong>OK<\/strong> .<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-8889 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/independantspss4.png\" alt=\"\" width=\"555\" height=\"440\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><strong>Etapa 4: Interprete os resultados<\/strong> .<\/span><\/p>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">Depois de clicar em <strong>OK<\/strong> , os resultados do teste de independ\u00eancia do qui-quadrado aparecer\u00e3o:<\/span> <\/p>\n<p data-slot-rendered-dynamic=\"true\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-8890\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/independantspss5.png\" alt=\"Resultado do teste qui-quadrado de independ\u00eancia no SPSS\" width=\"448\" height=\"481\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">A primeira tabela exibe o n\u00famero de casos ausentes no conjunto de dados. Podemos ver que h\u00e1 0 casos ausentes neste exemplo.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A segunda tabela apresenta uma tabula\u00e7\u00e3o cruzada do n\u00famero total de indiv\u00edduos por g\u00e9nero e prefer\u00eancia partid\u00e1ria.<\/span><\/p>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">A terceira tabela apresenta os resultados do teste qui-quadrado de independ\u00eancia. A estat\u00edstica de teste \u00e9 <strong>0,864<\/strong> e o valor p bicaudal correspondente \u00e9 <strong>0,649<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">A hip\u00f3tese nula para o teste qui-quadrado de independ\u00eancia \u00e9 que as duas vari\u00e1veis s\u00e3o independentes. Neste caso, a nossa hip\u00f3tese nula \u00e9 que as prefer\u00eancias de g\u00e9nero e de partido pol\u00edtico s\u00e3o independentes.<\/span><\/p>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">Como o valor p (0,649) do teste n\u00e3o \u00e9 inferior a 0,05, n\u00e3o rejeitamos a hip\u00f3tese nula.<\/span><\/p>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">Isto significa que n\u00e3o temos provas suficientes para afirmar que existe uma associa\u00e7\u00e3o entre g\u00e9nero e prefer\u00eancias partid\u00e1rias.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um teste de independ\u00eancia do qui-quadrado \u00e9 usado para determinar se existe ou n\u00e3o uma associa\u00e7\u00e3o significativa entre duas vari\u00e1veis categ\u00f3ricas. Este tutorial explica como realizar um teste de independ\u00eancia qui-quadrado no SPSS. Exemplo: teste de independ\u00eancia qui-quadrado no SPSS Suponhamos que queremos saber se o g\u00e9nero est\u00e1 ou n\u00e3o associado \u00e0 prefer\u00eancia por um [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-804","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como realizar um teste de independ\u00eancia qui-quadrado no SPSS - Statorials<\/title>\n<meta name=\"description\" content=\"Uma explica\u00e7\u00e3o simples sobre como realizar um teste de independ\u00eancia qui-quadrado no SPSS.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/pt\/teste-de-independencia-chi-quadrado-spss\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como realizar um teste de independ\u00eancia qui-quadrado no SPSS - Statorials\" \/>\n<meta property=\"og:description\" content=\"Uma explica\u00e7\u00e3o simples sobre como realizar um teste de independ\u00eancia qui-quadrado no SPSS.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/teste-de-independencia-chi-quadrado-spss\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T16:58:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/independantspss1.png\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/teste-de-independencia-chi-quadrado-spss\/\",\"url\":\"https:\/\/statorials.org\/pt\/teste-de-independencia-chi-quadrado-spss\/\",\"name\":\"Como realizar um teste de independ\u00eancia qui-quadrado no SPSS - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-28T16:58:30+00:00\",\"dateModified\":\"2023-07-28T16:58:30+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Uma explica\u00e7\u00e3o simples sobre como realizar um teste de independ\u00eancia qui-quadrado no SPSS.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/teste-de-independencia-chi-quadrado-spss\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/teste-de-independencia-chi-quadrado-spss\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/teste-de-independencia-chi-quadrado-spss\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como realizar um teste de independ\u00eancia qui-quadrado no spss\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. 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