{"id":278933,"date":"2026-11-07T16:59:00","date_gmt":"2026-11-07T19:59:00","guid":{"rendered":"https:\/\/www.em.com.br\/emfoco\/?p=278933"},"modified":"2026-11-05T13:13:41","modified_gmt":"2026-11-05T16:13:41","slug":"pessoa-escolhe-uma-foto-recebe-outra-sem-perceber-e-ainda-explica-a-preferencia-experimento-de-cegueira-de-escolha-revela-limite-da-introspeccao","status":"publish","type":"post","link":"https:\/\/www.em.com.br\/emfoco\/2026\/11\/07\/pessoa-escolhe-uma-foto-recebe-outra-sem-perceber-e-ainda-explica-a-preferencia-experimento-de-cegueira-de-escolha-revela-limite-da-introspeccao\/","title":{"rendered":"Pessoa escolhe uma foto, recebe outra sem perceber e ainda explica a prefer\u00eancia: experimento de cegueira de escolha revela limite da introspec\u00e7\u00e3o"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Uma pessoa escolhe uma fotografia entre duas, mas recebe outra imagem e ainda explica por que a prefere. Em experimentos sobre <strong>cegueira de escolha<\/strong>, parte dos participantes n\u00e3o detectou a troca. O resultado mostra limites da introspec\u00e7\u00e3o sem significar que as pessoas mentem ou que n\u00e3o possuem prefer\u00eancias.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Uma troca de fotografias exp\u00f4s uma falha na percep\u00e7\u00e3o da escolha<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Em 2005, <strong>Petter Johansson<\/strong> e colegas publicaram na revista <strong>Science<\/strong> o estudo <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/16210542\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Failure to detect mismatches between intention and outcome in a simple decision task<\/strong><\/a>. Participantes escolhiam entre <strong>fotografias de rostos<\/strong> apresentadas em pares.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em determinadas tentativas, os pesquisadores usavam uma manipula\u00e7\u00e3o com cart\u00f5es para mostrar a alternativa n\u00e3o escolhida. Parte dos participantes <strong>n\u00e3o detectava a troca<\/strong> e ainda fornecia uma <strong>justificativa verbal<\/strong> para a fotografia recebida.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Hands_choosing_between_two_cards_2f037303-1024x576.jpg\" alt=\"Experimento troca fotos e revela falhas de detec\u00e7\u00e3o de escolhas\" class=\"wp-image-278950\" srcset=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Hands_choosing_between_two_cards_2f037303-1024x576.jpg 1024w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Hands_choosing_between_two_cards_2f037303-300x169.jpg 300w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Hands_choosing_between_two_cards_2f037303-768x432.jpg 768w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Hands_choosing_between_two_cards_2f037303-750x422.jpg 750w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Hands_choosing_between_two_cards_2f037303-1140x641.jpg 1140w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Hands_choosing_between_two_cards_2f037303.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Experimento troca fotos e revela falhas de detec\u00e7\u00e3o de escolhas<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Por que algu\u00e9m explicaria a escolha de uma foto diferente?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A decis\u00e3o original e a imagem apresentada depois s\u00e3o duas etapas distintas. Se a pessoa n\u00e3o percebe a <strong>diverg\u00eancia entre escolha e resultado<\/strong>, pode explicar a fotografia que est\u00e1 diante dela como se fosse a <strong>op\u00e7\u00e3o selecionada<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Essa justificativa n\u00e3o prova mentira consciente. O experimento explora os <strong>limites da introspec\u00e7\u00e3o<\/strong>, isto \u00e9, do acesso \u00e0s pr\u00f3prias raz\u00f5es, e n\u00e3o a <strong>honestidade dos participantes<\/strong> ou uma suposta aus\u00eancia de prefer\u00eancia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A seguir, diferencie inten\u00e7\u00e3o, manipula\u00e7\u00e3o, detec\u00e7\u00e3o e justificativa para entender o que a troca de fotografias realmente revela:<\/p>\n\n\n\n<style>\n.cmp10-compare{--cmp10-theme:#A7D2ED;--cmp10-theme-soft:#E8F3FA;--cmp10-theme-ink:#193952;--cmp10-heading-ink:#18394E;--cmp10-rule:#7DAED1;--cmp10-card-bg:#F8F7F4;--cmp10-cell-bg:#F8F7F4;--cmp10-ink:#1D2835;--cmp10-muted:#4E5B69;display:block;width:100%;max-width:100%;margin:18px 0 26px;padding:4px 3px 10px;color:var(--cmp10-ink);font:normal 16px\/1.4 system-ui,-apple-system,\"Segoe UI\",Arial,sans-serif;isolation:isolate;container-type:inline-size;container-name:cmp10}\n.cmp10-compare,.cmp10-compare *, .cmp10-compare 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.cmp10-table,.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody,.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr{display:block!important;width:100%!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table thead{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr{margin:0 0 14px;border:1px solid var(--cmp10-rule)!important;border-radius:12px;overflow:hidden}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr>*{display:block!important;width:auto!important;height:auto!important;font-size:14px!important;padding:12px!important;text-align:left!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr>*:first-child{background:var(--cmp10-theme)!important;color:var(--cmp10-heading-ink)!important;font-size:16px!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody td::before{content:attr(data-label)!important;display:block;font-weight:750;margin-bottom:4px}\n}}\n<\/style>\n<section aria-label=\"Comparativo de informa\u00e7\u00f5es\" class=\"google-auto-ads-ignore cmp10-compare cmp10-compare--c4\" data-kind=\"cards\" data-model=\"CARD-04\" role=\"region\" data-palette=\"azul-claro\" data-surface=\"offwhite\" style=\"--cmp10-theme:#A7D2ED;--cmp10-theme-soft:#E8F3FA;--cmp10-theme-ink:#193952\"><div class=\"cmp10-grid\" role=\"list\"><article aria-label=\"Informa\u00e7\u00e3o comparativa\" class=\"cmp10-card cmp10-card--lite\" role=\"listitem\"><div class=\"cmp10-card__top\"><strong class=\"cmp10-card__title\">Inten\u00e7\u00e3o<\/strong><\/div><div class=\"cmp10-card__facts\"><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">Escolha inicial fica registrada.<\/span><\/div><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">N\u00e3o desaparece ap\u00f3s troca de foto.<\/span><\/div><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">Serve de refer\u00eancia ao resultado.<\/span><\/div><\/div><div class=\"cmp10-card__foot\"><strong class=\"cmp10-price\">Prefer\u00eancia original<\/strong><\/div><\/article><article aria-label=\"Informa\u00e7\u00e3o comparativa\" class=\"cmp10-card cmp10-card--plus\" role=\"listitem\"><div class=\"cmp10-card__top\"><strong class=\"cmp10-card__title\">Manipula\u00e7\u00e3o<\/strong><\/div><div class=\"cmp10-card__facts\"><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">Troca ocorre em algumas tentativas.<\/span><\/div><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">Pessoa recebe foto diferente.<\/span><\/div><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">N\u00e3o \u00e9 mudan\u00e7a consciente de opini\u00e3o.<\/span><\/div><\/div><div class=\"cmp10-card__foot\"><strong class=\"cmp10-price\">Desvio experimental<\/strong><\/div><\/article><article aria-label=\"Informa\u00e7\u00e3o comparativa\" class=\"cmp10-card cmp10-card--pro\" role=\"listitem\"><div class=\"cmp10-card__top\"><strong class=\"cmp10-card__title\">Justificativa<\/strong><\/div><div class=\"cmp10-card__facts\"><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">Participante comenta a foto recebida.<\/span><\/div><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">Pode ignorar a discrep\u00e2ncia.<\/span><\/div><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">Explica\u00e7\u00e3o n\u00e3o prova mentira deliberada.<\/span><\/div><\/div><div class=\"cmp10-card__foot\"><strong class=\"cmp10-price\">Relato posterior<\/strong><\/div><\/article><article aria-label=\"Informa\u00e7\u00e3o comparativa\" class=\"cmp10-card cmp10-card--best\" role=\"listitem\"><div class=\"cmp10-card__top\"><strong class=\"cmp10-card__title\">Limites<\/strong><\/div><div class=\"cmp10-card__facts\"><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">Nem toda troca passa despercebida.<\/span><\/div><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">Procedimento e alternativas importam.<\/span><\/div><div class=\"cmp10-fact\"><span class=\"cmp10-fact__text\">N\u00e3o generalizar a toda decis\u00e3o.<\/span><\/div><\/div><\/article><\/div><\/section>\n\n\n\n<h2 class=\"wp-block-heading\">As etapas que os pesquisadores precisavam distinguir<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para entender o resultado, \u00e9 \u00fatil separar <strong>escolha, apresenta\u00e7\u00e3o e explica\u00e7\u00e3o<\/strong> em momentos distintos. O procedimento experimental investigou:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prefer\u00eancia inicial:<\/strong> qual fotografia foi apontada pelo participante.<\/li>\n\n\n\n<li><strong>Resultado apresentado:<\/strong> se a imagem recebida correspondia \u00e0 escolha.<\/li>\n\n\n\n<li><strong>Detec\u00e7\u00e3o:<\/strong> se a troca foi percebida e relatada.<\/li>\n\n\n\n<li><strong>Justificativa:<\/strong> quais raz\u00f5es a pessoa expressou ap\u00f3s receber a foto.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A tend\u00eancia de <a href=\"https:\/\/www.em.com.br\/emfoco\/2026\/09\/17\/a-psicologia-aponta-que-depois-de-tomar-uma-decisao-voce-pode-procurar-mais-argumentos-que-provem-que-estava-certo-e-prestar-menos-atencao-justamente-aos-que-dizem-o-contrario\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>buscar argumentos favor\u00e1veis \u00e0 escolha<\/strong><\/a> envolve outro mecanismo, o vi\u00e9s de confirma\u00e7\u00e3o. A cegueira de escolha estuda especificamente a <strong>discrep\u00e2ncia n\u00e3o detectada<\/strong> entre <strong>inten\u00e7\u00e3o e resultado<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Four-part_educational_card_task_\u2026_c8e9ac30-1024x576.jpg\" alt=\"Experimento troca fotos e revela falhas de detec\u00e7\u00e3o de escolhas\" class=\"wp-image-278948\" srcset=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Four-part_educational_card_task_\u2026_c8e9ac30-1024x576.jpg 1024w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Four-part_educational_card_task_\u2026_c8e9ac30-300x169.jpg 300w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Four-part_educational_card_task_\u2026_c8e9ac30-768x432.jpg 768w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Four-part_educational_card_task_\u2026_c8e9ac30-750x422.jpg 750w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Four-part_educational_card_task_\u2026_c8e9ac30-1140x641.jpg 1140w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Four-part_educational_card_task_\u2026_c8e9ac30.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Experimento troca fotos e revela falhas de detec\u00e7\u00e3o de escolhas<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Todos os participantes deixaram passar a troca?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e3o. A <strong>taxa de detec\u00e7\u00e3o<\/strong> depende das condi\u00e7\u00f5es do procedimento e das alternativas utilizadas. A conclus\u00e3o do estudo n\u00e3o \u00e9 que <strong>qualquer decis\u00e3o<\/strong> pode ser trocada sem que algu\u00e9m perceba.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na <a href=\"https:\/\/www.lunduniversity.lu.se\/publication\/5bb97a16-9769-4a23-90a9-62d9a8d2090c\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>tese de Petter Johansson publicada pela Universidade de Lund<\/strong><\/a>, o pesquisador detalha o procedimento e a rela\u00e7\u00e3o com estudos de <strong>cegueira \u00e0 mudan\u00e7a<\/strong>. Essa explica\u00e7\u00e3o contextualiza o resultado sem transformar o teste em <strong>regra universal<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Compare resultados poss\u00edveis da entrega das fotografias para distinguir uma escolha mantida, uma troca percebida e uma troca n\u00e3o detectada:<\/p>\n\n\n\n<style>\n.cmp10-compare{--cmp10-theme:#A7D2ED;--cmp10-theme-soft:#E8F3FA;--cmp10-theme-ink:#193952;--cmp10-heading-ink:#18394E;--cmp10-rule:#7DAED1;--cmp10-card-bg:#F8F7F4;--cmp10-cell-bg:#F8F7F4;--cmp10-ink:#1D2835;--cmp10-muted:#4E5B69;display:block;width:100%;max-width:100%;margin:18px 0 26px;padding:4px 3px 10px;color:var(--cmp10-ink);font:normal 16px\/1.4 system-ui,-apple-system,\"Segoe UI\",Arial,sans-serif;isolation:isolate;container-type:inline-size;container-name:cmp10}\n.cmp10-compare,.cmp10-compare *, .cmp10-compare *::before,.cmp10-compare *::after{box-sizing:border-box}\n.cmp10-compare 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tr>*:first-child{background:var(--cmp10-theme-soft)!important;color:var(--cmp10-theme-ink)!important}\n.cmp10-compare--t3 .cmp10-table tbody tr>*:first-child::before{background:var(--cmp10-theme)}\n\n.cmp10-compare--t4 .cmp10-table tbody tr>*:not(:first-child){border-left:2px solid var(--cmp10-rule)!important}\n\n.cmp10-compare--t5 .cmp10-table tbody tr>*:last-child{background:var(--cmp10-theme-soft)!important}\n.cmp10-compare--t5 .cmp10-table tbody .cmp10-price{border:1px solid var(--cmp10-rule)}\n\n.cmp10-compare [data-status=\"positivo\"]{--cmp10-status:#24734B}\n.cmp10-compare [data-status=\"negativo\"]{--cmp10-status:#B63838}\n.cmp10-compare .cmp10-fact[data-status]::before{background:var(--cmp10-status)!important;outline-color:var(--cmp10-status)!important}\n.cmp10-compare .cmp10-price[data-status]{background:var(--cmp10-status)!important;color:#fff!important}\n@container cmp10 (max-width:780px){.cmp10-compare 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caption{display:block}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table thead{display:block!important;position:absolute!important;width:1px!important;height:1px!important;padding:0!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;clip-path:inset(50%)!important;white-space:nowrap!important;border:0!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody{display:grid!important;grid-template-columns:minmax(0,1fr);gap:14px;width:100%}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr{display:block!important;width:100%;border:1px solid var(--cmp10-rule)!important;border-radius:12px!important;overflow:hidden;filter:none!important;background:var(--cmp10-cell-bg)!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr>*{display:grid!important;grid-template-columns:minmax(0,.85fr) minmax(0,1.25fr);gap:10px;width:auto!important;min-height:0!important;height:auto!important;padding:12px!important;font-size:14px!important;line-height:1.45!important;text-align:left!important;border:0!important;border-bottom:1px solid var(--cmp10-rule)!important;border-radius:0!important;white-space:normal!important;overflow-wrap:break-word!important;word-break:normal!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr>*:first-child{display:block!important;background:var(--cmp10-theme)!important;color:var(--cmp10-heading-ink)!important;font-size:16px!important;font-weight:750!important;padding:13px 12px!important;border-radius:0!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr>*:last-child{border-bottom:0!important;background:var(--cmp10-cell-bg)!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody 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.cmp10-table,.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody,.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr{display:block!important;width:100%!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table thead{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr{margin:0 0 14px;border:1px solid var(--cmp10-rule)!important;border-radius:12px;overflow:hidden}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr>*{display:block!important;width:auto!important;height:auto!important;font-size:14px!important;padding:12px!important;text-align:left!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody tr>*:first-child{background:var(--cmp10-theme)!important;color:var(--cmp10-heading-ink)!important;font-size:16px!important}\n.cmp10-compare[data-kind=\"table\"] .cmp10-table tbody td::before{content:attr(data-label)!important;display:block;font-weight:750;margin-bottom:4px}\n}}\n<\/style>\n<section aria-label=\"Comparativo de informa\u00e7\u00f5es\" class=\"google-auto-ads-ignore cmp10-compare cmp10-compare--t4\" data-kind=\"table\" data-model=\"TABLE-04\" role=\"region\" data-palette=\"azul-claro\" data-surface=\"offwhite\" style=\"--cmp10-theme:#A7D2ED;--cmp10-theme-soft:#E8F3FA;--cmp10-theme-ink:#193952\"><div class=\"cmp10-scroll\"><table class=\"cmp10-table\"><caption class=\"cmp10-sr-only\">Compara\u00e7\u00e3o de condi\u00e7\u00f5es e resultados<\/caption><thead><tr><th scope=\"col\">Condi\u00e7\u00e3o<\/th><th scope=\"col\">O que chega<\/th><th scope=\"col\">Resposta poss\u00edvel<\/th><th scope=\"col\">Interpreta\u00e7\u00e3o<\/th><\/tr><\/thead><tbody><tr><th data-label=\"Condi\u00e7\u00e3o\" scope=\"row\">Sem troca<\/th><td data-label=\"O que chega\">Imagem escolhida<\/td><td data-label=\"Resposta poss\u00edvel\">Raz\u00f5es da prefer\u00eancia<\/td><td data-label=\"Interpreta\u00e7\u00e3o\"><strong class=\"cmp10-price\">Escolha e entrega coincidem<\/strong><\/td><\/tr><tr><th data-label=\"Condi\u00e7\u00e3o\" scope=\"row\">Troca percebida<\/th><td data-label=\"O que chega\">Outra fotografia<\/td><td data-label=\"Resposta poss\u00edvel\">Pessoa aponta diverg\u00eancia<\/td><td data-label=\"Interpreta\u00e7\u00e3o\"><strong class=\"cmp10-price\">Manipula\u00e7\u00e3o detectada<\/strong><\/td><\/tr><tr><th data-label=\"Condi\u00e7\u00e3o\" scope=\"row\">Troca n\u00e3o percebida<\/th><td data-label=\"O que chega\">Outra fotografia<\/td><td data-label=\"Resposta poss\u00edvel\">Justificativa do resultado<\/td><td data-label=\"Interpreta\u00e7\u00e3o\"><strong class=\"cmp10-price\">N\u00e3o comprova mentira consciente<\/strong><\/td><\/tr><\/tbody><\/table><\/div><\/section>\n\n\n\n<h2 class=\"wp-block-heading\">O fen\u00f4meno n\u00e3o significa que toda prefer\u00eancia seja inst\u00e1vel<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Uma pessoa pode ter uma prefer\u00eancia e ainda assim falhar ao conferir o resultado de uma escolha. O experimento revela uma <strong>falha de monitoramento<\/strong>, n\u00e3o a inexist\u00eancia de <strong>convic\u00e7\u00f5es pessoais<\/strong> em qualquer situa\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O <a href=\"https:\/\/www.em.com.br\/emfoco\/2026\/10\/04\/uma-terceira-opcao-pouco-atraente-pode-fazer-voce-escolher-justamente-o-produto-que-a-loja-queria-vender-segundo-a-psicologia\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>efeito de uma terceira op\u00e7\u00e3o<\/strong><\/a>, chamado efeito chamariz, \u00e9 outra influ\u00eancia nas decis\u00f5es. Ali, a <strong>apresenta\u00e7\u00e3o das alternativas<\/strong> afeta prefer\u00eancias; aqui, h\u00e1 <strong>troca do resultado<\/strong> ap\u00f3s a escolha.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Adult_comparing_two_portrait_cards_d76d2af3-1024x576.jpg\" alt=\"Experimento troca fotos e revela falhas de detec\u00e7\u00e3o de escolhas\" class=\"wp-image-278949\" srcset=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Adult_comparing_two_portrait_cards_d76d2af3-1024x576.jpg 1024w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Adult_comparing_two_portrait_cards_d76d2af3-300x169.jpg 300w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Adult_comparing_two_portrait_cards_d76d2af3-768x432.jpg 768w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Adult_comparing_two_portrait_cards_d76d2af3-750x422.jpg 750w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Adult_comparing_two_portrait_cards_d76d2af3-1140x641.jpg 1140w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Adult_comparing_two_portrait_cards_d76d2af3.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Experimento troca fotos e revela falhas de detec\u00e7\u00e3o de escolhas<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">O que o experimento ensina sobre explicar as pr\u00f3prias decis\u00f5es?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Uma explica\u00e7\u00e3o convincente pode n\u00e3o refletir todos os fatores que levaram \u00e0 decis\u00e3o original. Isso demonstra um <strong>limite da reconstru\u00e7\u00e3o verbal<\/strong>, observado em condi\u00e7\u00f5es experimentais, sem declarar que toda justificativa \u00e9 <strong>necessariamente falsa<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A distin\u00e7\u00e3o \u00e9 importante: <strong>n\u00e3o perceber uma troca<\/strong> n\u00e3o equivale a mudar de opini\u00e3o de forma deliberada. O estudo ajuda a compreender a dist\u00e2ncia poss\u00edvel entre <strong>o que se escolhe<\/strong> e a hist\u00f3ria contada depois.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uma pessoa escolhe uma fotografia entre duas, mas recebe outra imagem e ainda explica por que a prefere. Em experimentos sobre cegueira de escolha, parte dos participantes n\u00e3o detectou a troca. O resultado mostra limites da introspec\u00e7\u00e3o sem significar que as pessoas mentem ou que n\u00e3o possuem prefer\u00eancias. Uma troca de fotografias exp\u00f4s uma falha [&hellip;]<\/p>\n","protected":false},"author":36,"featured_media":278947,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":{"format":"standard"},"jnews_primary_category":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":""},"categories":[1],"tags":[36895,1658,1058,5155],"class_list":["post-278933","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","tag-cegueira-de-escolha","tag-decisoes","tag-introspeccao","tag-psicologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pessoa escolhe uma foto, recebe outra sem perceber e ainda explica a prefer\u00eancia: experimento de cegueira de escolha revela limite da introspec\u00e7\u00e3o - Estado de Minas - Em foco<\/title>\n<meta name=\"description\" content=\"Experimento de cegueira de escolha troca uma foto selecionada e parte dos participantes n\u00e3o percebe; isso revela limites da introspec\u00e7\u00e3o.\" \/>\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.em.com.br\/emfoco\/2026\/11\/07\/pessoa-escolhe-uma-foto-recebe-outra-sem-perceber-e-ainda-explica-a-preferencia-experimento-de-cegueira-de-escolha-revela-limite-da-introspeccao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pessoa escolhe uma foto, recebe outra sem perceber e ainda explica a prefer\u00eancia: experimento de cegueira de escolha revela limite da introspec\u00e7\u00e3o - Estado de Minas - Em foco\" \/>\n<meta property=\"og:description\" content=\"Experimento de cegueira de escolha troca uma foto selecionada e parte dos participantes n\u00e3o percebe; isso revela limites da introspec\u00e7\u00e3o.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.em.com.br\/emfoco\/2026\/11\/07\/pessoa-escolhe-uma-foto-recebe-outra-sem-perceber-e-ainda-explica-a-preferencia-experimento-de-cegueira-de-escolha-revela-limite-da-introspeccao\/\" \/>\n<meta property=\"og:site_name\" content=\"Estado de Minas - Em foco\" \/>\n<meta property=\"article:published_time\" content=\"2026-11-07T19:59:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/11\/Participant_comparing_two_portra\u2026_56feef8c.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Paulo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Paulo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Pessoa escolhe uma foto, recebe outra sem perceber e ainda explica a prefer\u00eancia: experimento de cegueira de escolha revela limite da introspec\u00e7\u00e3o - Estado de Minas - Em foco","description":"Experimento de cegueira de escolha troca uma foto selecionada e parte dos participantes n\u00e3o percebe; 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