{"id":793206,"date":"2018-05-23T05:37:21","date_gmt":"2018-05-23T12:37:21","guid":{"rendered":"https:\/\/www.questionpro.com\/blog\/sistem-kullanilabilirlik-olcegi-nedir\/"},"modified":"2018-05-23T05:37:21","modified_gmt":"2018-05-23T05:37:21","slug":"sistem-kullanilabilirlik-olcegi-nedir","status":"publish","type":"post","link":"https:\/\/www.questionpro.com\/blog\/tr\/sistem-kullanilabilirlik-olcegi-nedir\/","title":{"rendered":"Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi Nedir?"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57482\" src=\"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2018\/05\/System-Usability-Scale_V02.jpg\" alt=\"si\u0307stem kullanilabi\u0307li\u0307rli\u0307k \u00f6l\u00e7e\u011fi\u0307\" width=\"1024\" height=\"612\"><\/p>\n<h2><b>Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi Nedir?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi (SUS) bir <\/span><a href=\"https:\/\/www.questionpro.com\/questionnaire-examples.html\"><br \/>\n  <span style=\"font-weight: 400;\">anket <\/span><br \/>\n<\/a> <span style=\"font-weight: 400;\">\u00fcr\u00fcn ve hizmetlerin kullan\u0131labilirli\u011fini de\u011ferlendirmek i\u00e7in kullan\u0131l\u0131r. Bunlar<\/span> <a href=\"https:\/\/www.questionpro.com\/article\/survey-question-answer-type.html\"><br \/>\n  <span style=\"font-weight: 400;\"> anket sorular\u0131<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\"> olarak kullan\u0131l\u0131r. <\/span><a href=\"https:\/\/www.questionpro.com\/blog\/quantitative-research-methods\/\"><br \/>\n  <span style=\"font-weight: 400;\">nicel y\u00f6ntem<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\"> yaz\u0131l\u0131m veya donan\u0131m olabilen \u00e7ok \u00e7e\u015fitli yeni sistemlerin kullan\u0131labilirli\u011fini de\u011ferlendirmek ve bu konuda eyleme d\u00f6n\u00fc\u015ft\u00fcr\u00fclebilir i\u00e7g\u00f6r\u00fcler elde etmek. <\/span> <\/p>\n<p><span style=\"font-weight: 400;\">Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi sadece 10 sorudan olu\u015fmaktad\u0131r ve bu sorular <\/span><a href=\"https:\/\/www.questionpro.com\/article\/likert-scale-survey-questions.html\"><br \/>\n  <span style=\"font-weight: 400;\">Likert \u00f6l\u00e7e\u011fi<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\">. Bu aral\u0131k &#8220;kesinlikle kat\u0131l\u0131yorum&#8221; ile &#8220;kesinlikle kat\u0131lm\u0131yorum&#8221; aras\u0131nda de\u011fi\u015fmektedir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">SUS anketi 1980&#8217;lerin sonunda John Brooke taraf\u0131ndan geli\u015ftirilmi\u015ftir. Elektronik ofis sistemleri i\u00e7in kullan\u0131labilirlik testinin bir par\u00e7as\u0131 olarak 1986 y\u0131l\u0131nda 10 soruluk anketi tan\u0131tt\u0131.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">O g\u00fcnden bu g\u00fcne Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi, yaz\u0131l\u0131m ve web sitelerinin kullan\u0131labilirli\u011fini de\u011ferlendirmek i\u00e7in yayg\u0131n olarak kullan\u0131lmaktad\u0131r. Kolayca ve daha k\u0131sa s\u00fcrede uygulanabilen bir ara\u00e7 olarak kullan\u0131l\u0131r. Bir\u00e7ok kullan\u0131c\u0131 bu arac\u0131, ayn\u0131 adl\u0131 makalelerden birine dayanarak &#8220;h\u0131zl\u0131 ve kirli kullan\u0131labilirlik \u00f6l\u00e7e\u011fi&#8221; olarak da adland\u0131rmaktad\u0131r.<\/span><\/p>\n<h3><b>\u00d6rneklerle Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi (SUS) Anketi<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">A\u015fa\u011f\u0131daki sorular bir SUS anketinde daha s\u0131k kullan\u0131lmaktad\u0131r:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8220;L\u00fctfen \u00fcr\u00fcn\/hizmet ile ilgili deneyimlerinize dayanarak a\u015fa\u011f\u0131daki ifadelere kat\u0131lma veya kat\u0131lmama d\u00fczeyinizi belirtiniz&#8221;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bir kullan\u0131c\u0131 yukar\u0131da sorulan sorulara bu 5 puanl\u0131k Likert \u00d6l\u00e7e\u011fini kullanarak yan\u0131t verir.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-57495 aligncenter\" src=\"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2018\/05\/Likert_Scale_.png\" alt=\"Likert \u00d6l\u00e7e\u011fi\" width=\"612\" height=\"134\"><\/p>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bu sistemi daha s\u0131k kullanmak istiyorum.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bu sistemin olmas\u0131 gerekenden daha karma\u015f\u0131k oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyorum.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Sistemin basit ve kullan\u0131m\u0131 kolay oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyorum.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bu sistemi kullanmak i\u00e7in teknik deste\u011fe ihtiyac\u0131m var.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Sistemin sorunsuz \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve iyi entegre edildi\u011fini g\u00f6r\u00fcyorum.  <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bence sistemde \u00e7ok fazla usuls\u00fczl\u00fck var.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bence \u00e7o\u011fu insan bu sistemi h\u0131zl\u0131 bir \u015fekilde \u00f6\u011frenebilir.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bu sistemin zaman al\u0131c\u0131 oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyorum.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bu sistemi kullan\u0131rken kendimi g\u00fcvende hissediyorum.  <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bu sistemi kullanmaya ba\u015flamadan \u00f6nce \u00f6\u011frenmem gereken \u00e7ok \u015fey oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyorum.&#8221;<\/span><\/li>\n<\/ol>\n<p style=\"text-align: center;\">Daha fazla bilgi edinin: <a href=\"https:\/\/www.questionpro.com\/survey-templates\/system-usability-scale-survey-questions-template\/\" target=\"_blank\" rel=\"noopener\">\u00dcCRETS\u0130Z Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi Anket \u015eablonu<\/a><\/p>\n<h3><b>Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi (SUS) Puan\u0131 ve Hesaplanmas\u0131<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Sonu\u00e7 <\/span><a href=\"https:\/\/www.questionpro.com\/tour\/\"><br \/>\n  <span style=\"font-weight: 400;\">anket<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\">  SUS kullanarak SUS puan\u0131 olarak adland\u0131r\u0131l\u0131r. Bu puan 0 ile 100 aras\u0131nda numaraland\u0131r\u0131l\u0131r; s\u0131f\u0131r en d\u00fc\u015f\u00fck puan ve 100 en y\u00fcksek puand\u0131r. Bir seferde sadece bir soru de\u011ferlendirmeye al\u0131n\u0131r.  <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bir kat\u0131l\u0131mc\u0131 SUS anketindeki tek bir soruyu yan\u0131tlad\u0131\u011f\u0131nda, tek bir sorunun de\u011ferlendirilmesi i\u00e7in be\u015f yan\u0131t mevcuttur. SUS puan\u0131n\u0131 hesaplamak i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 izleyin:<\/span><\/p>\n<p><b>1. Ad\u0131m <\/b><span style=\"font-weight: 400;\">Ba\u015flang\u0131\u00e7 olarak \u00f6l\u00e7e\u011fi say\u0131lara d\u00f6n\u00fc\u015ft\u00fcr\u00fcn: <\/span> <\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Kesinlikle Kat\u0131lm\u0131yorum: 1 puan<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Kat\u0131lm\u0131yorum: 2 puan<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Tarafs\u0131z: 3 puan<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Kat\u0131l\u0131yorum: 4 puan<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Kesinlikle Kat\u0131l\u0131yorum: 5 puan<\/span><\/li>\n<\/ul>\n<p><b>Ad\u0131m 2: <\/b><\/p>\n<p><span style=\"font-weight: 400;\">x= Tek numaral\u0131 sorunun t\u00fcm noktalar\u0131n\u0131n toplam\u0131n\u0131 5 ile \u00e7\u0131kar\u0131n  <\/span><\/p>\n<p><span style=\"font-weight: 400;\">y= T\u00fcm \u00e7ift numaral\u0131 sorulardan al\u0131nan puanlar\u0131n toplam\u0131ndan 25 \u00e7\u0131kar\u0131n<\/span><\/p>\n<p><span style=\"font-weight: 400;\">SUS Puan\u0131 = x+y * 2,5<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rne\u011fin, t\u00fcm tek numaral\u0131 sorular\u0131n puanlar\u0131n\u0131n toplam\u0131n\u0131n 20 oldu\u011funu d\u00fc\u015f\u00fcn\u00fcn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Yani, x= 20 &#8211; 5= 15<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u00fcm \u00e7ift numaral\u0131 sorular\u0131n puanlar\u0131n\u0131n toplam\u0131n\u0131n 25 oldu\u011funu d\u00fc\u015f\u00fcn\u00fcn<\/span><\/p>\n<p><span style=\"font-weight: 400;\">y= 25-25= 0  <\/span><\/p>\n<p><b>SUS Puan\u0131 <\/b><span style=\"font-weight: 400;\">= 15+0*2.5= 37.5<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu puan y\u00fczde olarak ifade edilir. E\u011fer bir sistem y\u00fczde 100&#8217;l\u00fck bir de\u011fere ula\u015f\u0131yorsa m\u00fckemmeldir. 70&#8217;e kadar olan de\u011ferler iyi olarak kabul edilir ve %50&#8217;nin alt\u0131ndaki de\u011ferlerin kullan\u0131labilirlik a\u00e7\u0131s\u0131ndan ciddi \u015fekilde verimsiz oldu\u011fu s\u00f6ylenir.  <\/span><\/p>\n<h3><b>Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011finin Kullan\u0131m Alanlar\u0131<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0130\u015fte Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011finin geni\u015f savunuculu\u011funa dayanan 4 kullan\u0131m alan\u0131:  <\/span><\/p>\n<p><b>1. Kullan\u0131labilirlik testini tamamlad\u0131ktan sonra:  <\/b><span style=\"font-weight: 400;\">Kat\u0131l\u0131mc\u0131lar bir aray\u00fczde (bir bilgisayarla ileti\u015fim kurmak i\u00e7in kullan\u0131lan bir cihaz veya program) bir g\u00f6revi tamamlad\u0131ktan sonra, 10 soruluk SUS anketini cevaplamalar\u0131 gerekmektedir. \u00d6rne\u011fin, yaz\u0131l\u0131m, donan\u0131m veya bir web sitesinin kabaca kullan\u0131labilirli\u011fini anlamak i\u00e7in.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">SUS <\/span><a href=\"https:\/\/www.questionpro.com\/tour\/\"><br \/>\n  <span style=\"font-weight: 400;\">anket<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\">  elektronik olarak da\u011f\u0131t\u0131l\u0131r ve yan\u0131tlar halihaz\u0131rda bilinen \u00f6l\u00e7\u00fctlerle kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r; \u00f6rne\u011fin, 68&#8217;lik bir SUS puan\u0131 yakla\u015f\u0131k 500 \u00fcr\u00fcn veri taban\u0131 i\u00e7indir. Ortalama 72 puan genellikle bir t\u00fcketici yaz\u0131l\u0131m\u0131 i\u00e7indir.  <\/span><\/p>\n<p><span style=\"font-weight: 400;\">SUS te\u015fhis koyamaz, bu nedenle anket yan\u0131tlar\u0131n\u0131n bir \u00fcr\u00fcn veya hizmette neyin d\u00fczeltilmesi gerekti\u011fini s\u00f6ylemesi olas\u0131 de\u011fildir, ancak bir \u00fcr\u00fcn veya hizmetteki en \u00f6nemli sorunlar\u0131n bildirilmesine yard\u0131mc\u0131 olabilir.  <\/span><\/p>\n<p><b>2. Mobil uygulamalarda:  <\/b><span style=\"font-weight: 400;\">SUS&#8217;un en iyi \u00f6zelliklerinden biri de uyarlanabilir olmas\u0131d\u0131r. Mobil bir aray\u00fczde bile kullan\u0131labilir. SUS geli\u015ftirildi\u011finde mobil uygulamalar hen\u00fcz mevcut olmamas\u0131na ra\u011fmen, yine de kullan\u0131labilirli\u011fini ayn\u0131 \u015fekilde bulmaktad\u0131r. SUS anketi kullan\u0131larak Facebook ve Twitter gibi mobil uygulamalar \u00fczerinden yan\u0131t verileri toplanabilir.<\/span><\/p>\n<p><b>3. Prototipler ile:  <\/b><span style=\"font-weight: 400;\">SUS anketini da\u011f\u0131tmadan \u00f6nce bir aray\u00fcz\u00fcn tamamen i\u015flevsel olmas\u0131 gerekmez. En iyi yan\u0131 ise, bir prototip k\u0131smen \u00e7al\u0131\u015f\u0131yor olsa bile yine de uygulanabilir olmas\u0131d\u0131r. SUS, kullan\u0131labilirli\u011fin erken bir g\u00f6stergesi olarak kullan\u0131labilir. Prototipte ve nihayetinde \u00e7al\u0131\u015fan aray\u00fczde de\u011fi\u015fiklikler yapt\u0131k\u00e7a SUS&#8217;taki de\u011fi\u015fiklikleri kar\u015f\u0131la\u015ft\u0131r\u0131n.  <\/span><\/p>\n<p><b>4. K\u0131smi i\u015flevselli\u011fi test etmek i\u00e7in: <\/b>Baz\u0131 \u00fcr\u00fcnler, \u00f6zellikle de i\u015fletmeden i\u015fletmeye olanlar, olduk\u00e7a karma\u015f\u0131kt\u0131r. Bu kategoriye giren muhasebe yaz\u0131l\u0131m\u0131, \u0130K yaz\u0131l\u0131m\u0131 vb. vard\u0131r. Farkl\u0131 kullan\u0131c\u0131larla \u00e7e\u015fitli i\u015flevlere sahip olduklar\u0131 i\u00e7in yaz\u0131l\u0131m karma\u015f\u0131kt\u0131r. SUS anketi, \u00fcr\u00fcn\u00fcn tamam\u0131n\u0131 de\u011fil, i\u015flevselli\u011fin sadece bir b\u00f6l\u00fcm\u00fcn\u00fc analiz etmek i\u00e7in kullan\u0131labilir.<\/p>\n<h3><b>Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011finin Avantajlar\u0131  <\/b><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\">Sistem kullan\u0131labilirlik \u00f6l\u00e7e\u011finin avantajlar\u0131ndan biri de h\u0131zl\u0131 i\u015flem s\u00fcresidir. Kesin 10 soru soruldu\u011fundan, kat\u0131l\u0131mc\u0131lar anketi h\u0131zl\u0131 bir \u015fekilde yan\u0131tlayabilmektedir. Bu da elde edilen bilgilerin h\u0131zl\u0131 bir \u015fekilde i\u015flenmesini sa\u011flar.  <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">SUS&#8217;un bir di\u011fer avantaj\u0131 da \u00e7ok y\u00f6nl\u00fcl\u00fc\u011f\u00fc ve \u00e7e\u015fitli yaz\u0131l\u0131m, donan\u0131m veya web siteleri i\u00e7in uygulanabilirli\u011fidir.  <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">SUS puan\u0131n\u0131n hesaplanmas\u0131 basit oldu\u011fundan, sonu\u00e7lar kolayca elde edilebilir ve bir sistemin daha iyi performans g\u00f6stermesi i\u00e7in \u00fczerinde \u00e7al\u0131\u015f\u0131labilir.  <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi te\u015fhis ama\u00e7l\u0131 olmasa da, sorunlar\u0131 de\u011ferlendirmek ve tespit etmek i\u00e7in kullan\u0131l\u0131r, b\u00f6ylece sorunun nerede yatt\u0131\u011f\u0131n\u0131 anlamaya yard\u0131mc\u0131 olur.  <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">SUS, kullan\u0131c\u0131 memnuniyetini de\u011ferlendirme yetene\u011fine sahiptir ve di\u011fer benzer y\u00f6ntemlerle kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda olduk\u00e7a ucuzdur.<\/span><\/li>\n<\/ul>\n<h3><b>Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011finin Dezavantajlar\u0131<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">SUS&#8217;un dezavantajlar\u0131ndan biri, bir \u00fcr\u00fcn\u00fcn zay\u0131f y\u00f6nleri hakk\u0131nda do\u011fru bilgi sa\u011flayamamas\u0131d\u0131r.  <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">SUS kullanarak iki sistem ve i\u015flevleri aras\u0131nda sistematik kar\u015f\u0131la\u015ft\u0131rmalar yapmak m\u00fcmk\u00fcn de\u011fildir. Kesin bir eylem temeli sa\u011flamaz.  <\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi Nedir? Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi (SUS) bir anket \u00fcr\u00fcn ve hizmetlerin kullan\u0131labilirli\u011fini de\u011ferlendirmek i\u00e7in kullan\u0131l\u0131r. Bunlar anket sorular\u0131 [&hellip;]<\/p>\n","protected":false},"author":86,"featured_media":613385,"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":[1114],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi Nedir? | QuestionPro<\/title>\n<meta name=\"description\" content=\"Sistem Kullan\u0131labilirlik \u00d6l\u00e7e\u011fi (SUS), bir projenin kullan\u0131labilirli\u011fini de\u011ferlendirmek i\u00e7in kullan\u0131lan bir ankettir. Bu anket, kullan\u0131labilirli\u011fin \u00f6znel de\u011ferlendirmesine ili\u015fkin k\u00fcresel g\u00f6r\u00fc\u015f \u00fczerinde durmak i\u00e7in nicel bir y\u00f6ntem olarak kullan\u0131lmaktad\u0131r. 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