{"id":17,"date":"2008-03-26T19:26:19","date_gmt":"2008-03-27T00:26:19","guid":{"rendered":"http:\/\/vgable.com\/blog\/2008\/03\/26\/fitts-law\/"},"modified":"2008-04-14T22:30:43","modified_gmt":"2008-04-15T03:30:43","slug":"fitts-law","status":"publish","type":"post","link":"https:\/\/vgable.com\/blog\/2008\/03\/26\/fitts-law\/","title":{"rendered":"Fitts&#8217; Law"},"content":{"rendered":"<p><code>time = a + b*log<sub>2<\/sub>(distance\/target_size + 1)<\/code><\/p>\n<p><a href=\"http:\/\/particletree.com\/features\/visualizing-fittss-law\/\">This is far and away the best article on Fitts&#8217; Law I&#8217;ve seen.<\/a><\/p>\n<p><a href=\"http:\/\/www.asktog.com\/columns\/022DesignedToGiveFitts.html\">Here&#8217;s how you can apply it<\/a>.<\/p>\n<p>The <a href=\"http:\/\/en.wikipedia.org\/wiki\/Accot-Zhai_steering_law\">Accot-Zhai &#8220;Steering Law&#8221;<\/a>, which predicts how quickly a person can &#8220;steer&#8221; something down a 2-dimensional road without &#8220;crashing&#8221; can be derived from Fitt&#8217;s Law.  As you would expect, the wider the road, the faster it can be traveled.  This might be my favorite implication of Fitt&#8217;s Law, since it implies that my small car may have a higher &#8220;usable speed&#8221; then a bulkier muscle car.  :-p<\/p>\n","protected":false},"excerpt":{"rendered":"<p>time = a + b*log2(distance\/target_size + 1) This is far and away the best article on Fitts&#8217; Law I&#8217;ve seen. Here&#8217;s how you can apply it. The Accot-Zhai &#8220;Steering Law&#8221;, which predicts how quickly a person can &#8220;steer&#8221; something down a 2-dimensional road without &#8220;crashing&#8221; can be derived from Fitt&#8217;s Law. As you would expect, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,11,8],"tags":[],"class_list":["post-17","post","type-post","status-publish","format-standard","hentry","category-design","category-research","category-usability"],"_links":{"self":[{"href":"https:\/\/vgable.com\/blog\/wp-json\/wp\/v2\/posts\/17","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vgable.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vgable.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vgable.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vgable.com\/blog\/wp-json\/wp\/v2\/comments?post=17"}],"version-history":[{"count":0,"href":"https:\/\/vgable.com\/blog\/wp-json\/wp\/v2\/posts\/17\/revisions"}],"wp:attachment":[{"href":"https:\/\/vgable.com\/blog\/wp-json\/wp\/v2\/media?parent=17"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vgable.com\/blog\/wp-json\/wp\/v2\/categories?post=17"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vgable.com\/blog\/wp-json\/wp\/v2\/tags?post=17"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}