{"id":1703,"date":"2013-01-07T01:15:45","date_gmt":"2013-01-07T09:15:45","guid":{"rendered":"http:\/\/cephas.net\/blog\/2013\/01\/07\/links-1-6-2013\/"},"modified":"2013-01-07T01:15:45","modified_gmt":"2013-01-07T09:15:45","slug":"links-1-6-2013","status":"publish","type":"post","link":"https:\/\/cephas.net\/blog\/2013\/01\/07\/links-1-6-2013\/","title":{"rendered":"Links: 1-6-2013"},"content":{"rendered":"<ul>\n<li><a href=\"http:\/\/scottberkun.com\/2012\/back-to-ux-school\/\">What I learned going back to UX school<\/a><br \/>      Data driven usability questions: &quot;People throw around sayings like &ldquo;Easy to Use&rdquo; or &ldquo;Intuitive&rdquo; but without some data those are merely opinions. When it comes to measuring ease of use, there are well established things to track: Success rate: What percent of users can even do the thing its supposed to let them do. Often this is well below 100%. Time on task: how long does it &nbsp;take users to do the thing it supposed to do. Better designs take users less time. Error rates: how many mistakes or confusions does the user have.&quot; <br \/>    (categories:  <a href=\"http:\/\/del.icio.us\/ajohnson1200\/ux\">ux<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/usability-testing\">usability-testing<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/usability\">usability<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/testing\">testing<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/data\">data<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/metrics\">metrics<\/a> )\n<p\/><\/li>\n<li><a href=\"http:\/\/www.eecs.berkeley.edu\/~rcs\/research\/interactive_latency.html\">Numbers Every Programmer Should Know By Year<\/a><br \/>      Ran into this a couple weeks ago when onsite with a customer and was seeing 3ms for a &quot;file.exists&quot; type of operation when inside of a VM which was about 100x slower than corresponding VM&#8217;s in our own infrastructure.<br \/>    (categories:  <a href=\"http:\/\/del.icio.us\/ajohnson1200\/architecture\">architecture<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/performance\">performance<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/programming\">programming<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/systems\">systems<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/speed\">speed<\/a> )\n<p\/><\/li>\n<li><a href=\"http:\/\/www.slideshare.net\/danmil30\/how-to-run-a-5-whys-with-humans-not-robots\">How To Run a 5 Whys (With Humans, Not Robots)<\/a><br \/>      Quote: &quot;Which is the Root Cause? DB access bug or monitoring failure?  Answer: don&rsquo;t care about &quot;root causes&rdquo;. They don&rsquo;t exist (multiple things conspire for failures to happen). Also, kind of moral\/blame-ish.  Ask instead: if we made an incremental improvement in area A or area B , which would prevent the broadest class of problems going ahead? Much better conversation&#8230; Remember, There Is No Axe Murderer (Probably).&quot; <br \/>    (categories:  <a href=\"http:\/\/del.icio.us\/ajohnson1200\/management\">management<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/process\">process<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/rca\">rca<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/root-cause-assessment\">root-cause-assessment<\/a> )\n<p\/><\/li>\n<li><a href=\"http:\/\/www.customink.com\/\">Custom T-Shirts &#8211; Design Your Own T-Shirts Online &#8211; Free Shipping!<\/a><br \/>      Great custom t-shirt site.<br \/>    (categories:  <a href=\"http:\/\/del.icio.us\/ajohnson1200\/t-shirts\">t-shirts<\/a> <a href=\"http:\/\/del.icio.us\/ajohnson1200\/design\">design<\/a> )\n<p\/><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>What I learned going back to UX school Data driven usability questions: &quot;People throw around sayings like &ldquo;Easy to Use&rdquo; or &ldquo;Intuitive&rdquo; but without some data those are merely opinions. When it comes to measuring ease of use, there are well established things to track: Success rate: What percent of users can even do the &hellip; <a href=\"https:\/\/cephas.net\/blog\/2013\/01\/07\/links-1-6-2013\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Links: 1-6-2013<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/cephas.net\/blog\/wp-json\/wp\/v2\/posts\/1703"}],"collection":[{"href":"https:\/\/cephas.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cephas.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cephas.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cephas.net\/blog\/wp-json\/wp\/v2\/comments?post=1703"}],"version-history":[{"count":0,"href":"https:\/\/cephas.net\/blog\/wp-json\/wp\/v2\/posts\/1703\/revisions"}],"wp:attachment":[{"href":"https:\/\/cephas.net\/blog\/wp-json\/wp\/v2\/media?parent=1703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cephas.net\/blog\/wp-json\/wp\/v2\/categories?post=1703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cephas.net\/blog\/wp-json\/wp\/v2\/tags?post=1703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}