tag:blogger.com,1999:blog-1589405835312873091.post2987674585227625635..comments2023-03-23T09:51:05.485-04:00Comments on Eduwonkette: Lessons on Instructional Time from Mother Natureeduwonkettehttp://www.blogger.com/profile/05072705276536120758noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-1589405835312873091.post-88628355976302617732007-12-18T22:58:00.000-05:002007-12-18T22:58:00.000-05:00Oy - I wrote *more* where I meant *fewer*. Now I u...Oy - I wrote *more* where I meant *fewer*. Now I understand why Matthew was confused - not about the magnitude of the effect, which is what I thought he was responding to, but the direction. Apparently I can't read. <BR/><BR/>It's corrected now - thanks for the catch, guys.eduwonkettehttps://www.blogger.com/profile/05072705276536120758noreply@blogger.comtag:blogger.com,1999:blog-1589405835312873091.post-39568465687038047322007-12-18T22:08:00.000-05:002007-12-18T22:08:00.000-05:00okay, glad I'm not the only one confused... but wh...okay, glad I'm not the only one confused... but what an interesting idea for a study. also the sort of thing that's kind of replicatable by sixth graders for a science fair investigation... I might put this on the list. except that NYC doesn't have snow days. really. one in 8 years. ONE.ms. v.https://www.blogger.com/profile/16032352563527935021noreply@blogger.comtag:blogger.com,1999:blog-1589405835312873091.post-50035685177175631432007-12-18T17:41:00.000-05:002007-12-18T17:41:00.000-05:00Are you sure you've got this right, Eduwonkette? ...Are you sure you've got this right, Eduwonkette? The text of the article reads:<BR/>"Snow accumulation (measured in inches) is negatively related to the percentage of 3rd grade students performing satisfactorily on the MSPAP math test (p-value <0.001). The magnitude of this coefficient is most readily understood by thinking about expected differences in test scores between mild and harsh winters. Comparing winters separated by one standard deviation in snowfall (19.1 in), 1.2 percent fewer of the students in 3rd grade during the snowier winter could be expected to have exceeded the criterion for satisfactory performance on the math subject test." You wrote, "A 19.1 inch increase in a school year's snowfall is associated with a 1.2% more 3rd graders passing the math test." Looks to me like the author's results show a negative association between snowfall and MSPAP pass rates (more snowfall is associated with lower pass rates), whereas you wrote that there was a positive association (more snowfall is associated with higher pass rates). Either way, I'm yearning for a snow day.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-1589405835312873091.post-28561390143160959252007-12-18T16:47:00.000-05:002007-12-18T16:47:00.000-05:00This comment has been removed by the author.eduwonkettehttps://www.blogger.com/profile/05072705276536120758noreply@blogger.comtag:blogger.com,1999:blog-1589405835312873091.post-18924648293696848912007-12-18T15:29:00.000-05:002007-12-18T15:29:00.000-05:00Your observation of the paper that "a 19.1 inch in...Your observation of the paper that "a 19.1 inch increase in a school year's snowfall is associated with a 1.2% more 3rd graders passing the math test" seems inconsistent with the general tone of the post that more time in school leads to better test scores. Wonder if this is a typo or a counter-intutive findingAnonymousnoreply@blogger.com