{"id":302,"date":"2014-02-13T10:46:21","date_gmt":"2014-02-13T10:46:21","guid":{"rendered":"http:\/\/cgvr.informatik.uni-bremen.de\/research\/nui4cars\/?page_id=302"},"modified":"2015-01-15T08:56:26","modified_gmt":"2015-01-15T08:56:26","slug":"user-studies","status":"publish","type":"page","link":"https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/user-studies\/","title":{"rendered":"User Study"},"content":{"rendered":"<h4>Results<\/h4>\n<p>Please <strong><a href=\"http:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-content\/uploads\/2014\/02\/Report.pdf\">click here<\/a><\/strong> to see the final report of our user study.<\/p>\n<h4>Description<\/h4>\n<p>In order to test our proposed (touch-less) interactions against the current (physical) ones, we are going to perform a user study which will measure the effectiveness of the fore mentioned interactions. A group of users will test our natural interactions in different scenarios. Live data gathered via direct observation will be analyzed, a questionnaire and an individual interview will follow.<\/p>\n<p><video id=\"intro-video\" controls=\"controls\" src=\"http:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-content\/uploads\/2014\/04\/User-Study-Tutorial.mp4\"><source src=\"http:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-content\/uploads\/2014\/04\/User-study-tutorial.ogg\" \/><\/video><\/p>\n<p>&nbsp;<\/p>\n<p>If your browser does not support html5 or if you would like to see an HD version, you can see the video in <a href=\"http:\/\/vimeo.com\/87467767\">vimeo.<\/a><\/p>\n<h4>Goals<\/h4>\n<div title=\"Page 1\">\n<ul>\n<li><span style=\"font-size: 0.95em; line-height: 1.6em;\">Analyze the naturalness of the proposed interactions<\/span><\/li>\n<li><span style=\"font-size: 0.95em; line-height: 1.6em;\">Analyze the robustness of the whole concept<\/span><\/li>\n<li><span style=\"font-size: 0.95em; line-height: 1.6em;\">Compare the parameters like distraction time, and reaction time of the\u00a0<\/span><span style=\"font-size: 0.95em; line-height: 1.6em;\">proposed natural interaction method against the current method (using physical buttons)<\/span><\/li>\n<\/ul>\n<\/div>\n<h4>Results from User Study questionnaire<\/h4>\n<p>&nbsp;<\/p>\n<p><strong>Baseline comparison<\/strong><br \/>\nNUI : Natural user interaction ( gestures + voice )<br \/>\nUNUI: Un-natural interaction ( buttons in steering wheel, cockpit)<br \/>\n<strong><\/strong><\/p>\n<p><strong>User data<\/strong><br \/>\nNumber of subjects: 14<br \/>\nTraining time : 4 minutes (each method)<br \/>\nTesting time : 4 minutes (each method)<br \/>\nExperience in driving: 12<br \/>\nExperience with motion devices: 9<br \/>\n<strong>In-game analysis<\/strong><br \/>\nCollision:<\/p>\n<ul>\n<li><span style=\"font-size: 0.95em; line-height: 1.6em;\">UNUI causes two times more collision\u00a0<\/span><\/li>\n<li><span style=\"font-size: 0.95em; line-height: 1.6em;\">NUI is safer while driving<\/span><\/li>\n<\/ul>\n<p>Distraction time:<\/p>\n<ul>\n<li><span style=\"font-size: 0.95em; line-height: 1.6em;\">NUI is 3 times less distractive<\/span><\/li>\n<li><span style=\"font-size: 0.95em; line-height: 1.6em;\">Multiple modalities are more distractive<\/span><\/li>\n<\/ul>\n<p>False positives:<\/p>\n<ul>\n<li><span style=\"font-size: 0.95em; line-height: 1.6em;\">UNUI is twice more prone to errors<\/span><\/li>\n<\/ul>\n<p><strong>Interview<\/strong><\/p>\n<ul>\n<li><span style=\"font-size: 0.95em; line-height: 1.6em;\">60 % people preferred NUI and 40 % prefer UNUI<\/span><\/li>\n<li><span style=\"font-size: 0.95em; line-height: 1.6em;\">Idea is innovative, enjoyable, but needs more robustness\u00a0<\/span><\/li>\n<li><span style=\"font-size: 0.95em; line-height: 1.6em;\">Cognitive load is reduced considerably<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_367\" aria-describedby=\"caption-attachment-367\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-content\/uploads\/2014\/02\/Questionnaire.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-367\" alt=\"Questionnaire\" src=\"http:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-content\/uploads\/2014\/02\/Questionnaire-1024x524.png\" width=\"1024\" height=\"524\" srcset=\"https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-content\/uploads\/2014\/02\/Questionnaire-1024x524.png 1024w, https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-content\/uploads\/2014\/02\/Questionnaire-300x153.png 300w, https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-content\/uploads\/2014\/02\/Questionnaire.png 1173w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption id=\"caption-attachment-367\" class=\"wp-caption-text\">Questionnaire<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Results Please click here to see the final report of our user study. Description In order to test our proposed (touch-less) interactions against the current (physical) ones, we are going to perform a user study which will measure the effectiveness of the fore mentioned interactions. A group of users will test our natural interactions in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":8,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-302","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-json\/wp\/v2\/pages\/302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-json\/wp\/v2\/comments?post=302"}],"version-history":[{"count":18,"href":"https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-json\/wp\/v2\/pages\/302\/revisions"}],"predecessor-version":[{"id":307,"href":"https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-json\/wp\/v2\/pages\/302\/revisions\/307"}],"wp:attachment":[{"href":"https:\/\/cgvr.informatik.uni-bremen.de\/teaching\/studentprojects\/nui4cars-v2\/wp-json\/wp\/v2\/media?parent=302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}