{"id":117,"date":"2006-03-15T21:42:52","date_gmt":"2006-03-15T21:42:52","guid":{"rendered":"http:\/\/scienceblogs.com\/principles\/2006\/03\/15\/great-moments-in-exam-grading\/"},"modified":"2006-03-15T21:42:52","modified_gmt":"2006-03-15T21:42:52","slug":"great-moments-in-exam-grading","status":"publish","type":"post","link":"http:\/\/chadorzel.com\/principles\/2006\/03\/15\/great-moments-in-exam-grading\/","title":{"rendered":"Great Moments in Exam Grading"},"content":{"rendered":"<p>(For reasons unclear to me, <a href=\"http:\/\/mixedstates.somethingsimilar.com\/\">Mixed States<\/a> doesn&#8217;t seem to pick up scheduled posts in the RSS feed, even after they&#8217;re published. I don&#8217;t know if other RSS aggregators have the same problem, but if you were wondering what happened to the <a href=\"http:\/\/scienceblogs.com\/principles\/2006\/03\/true_lab_stories_the_series.php\">promised<\/a> True Lab Story, <a href=\"http:\/\/scienceblogs.com\/principles\/2006\/03\/true_lab_stories_the_water_fou_1.php\">here it is<\/a>.)<\/p>\n<p>A question from yesteerday&#8217;s final exam, paraphrased slightly:<\/p>\n<blockquote>\n<p>Element X decays into Element Y with a half-life of 30 minutes. You are given a sample containing three times as many atoms of Y as X. If the initial sample was pure X, how long ago was it prepared?<\/p>\n<\/blockquote>\n<p>One student wrote:<\/p>\n<blockquote>\n<p>It seems like a lifetime ago&#8230;<\/p>\n<\/blockquote>\n<p>(He also did the work to obtain the correct answer, namely two half lives, or one hour, so he got full credit. That beats out his classmate, who offered Final Four picks in lieu of an answer to one problem&#8230;)<\/p>\n<p>And now I am done, done, done with my classes for this term.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(For reasons unclear to me, Mixed States doesn&#8217;t seem to pick up scheduled posts in the RSS feed, even after they&#8217;re published. I don&#8217;t know if other RSS aggregators have the same problem, but if you were wondering what happened to the promised True Lab Story, here it is.) A question from yesteerday&#8217;s final exam,&hellip; <a class=\"more-link\" href=\"http:\/\/chadorzel.com\/principles\/2006\/03\/15\/great-moments-in-exam-grading\/\">Continue reading <span class=\"screen-reader-text\">Great Moments in Exam Grading<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"1","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-117","post","type-post","status-publish","format-standard","hentry","category-education","entry"],"_links":{"self":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/posts\/117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/comments?post=117"}],"version-history":[{"count":0,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/posts\/117\/revisions"}],"wp:attachment":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/media?parent=117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/categories?post=117"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/tags?post=117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}