tag:blogger.com,1999:blog-9092970177046142644.post8563676965683721127..comments2021-05-26T04:54:55.966-07:00Comments on Excel for Educators: I've Got the Power (Law)The Science Goddesshttp://www.blogger.com/profile/02846516022505481326noreply@blogger.comBlogger10125tag:blogger.com,1999:blog-9092970177046142644.post-16299886164470372922019-09-01T14:44:13.937-07:002019-09-01T14:44:13.937-07:00Thank you for your wonderful post. I wanted to tr...Thank you for your wonderful post. I wanted to try using power law in a neural network, but the resources were limited online. Yours was the most helpful in creating a c sharp class that could processed the power law calculation.Brian Edwardshttps://www.blogger.com/profile/08807842501089453017noreply@blogger.comtag:blogger.com,1999:blog-9092970177046142644.post-15393354652305146192017-12-15T12:54:00.651-08:002017-12-15T12:54:00.651-08:00In the original Power law, what does the y value r...In the original Power law, what does the y value represent? Thank you!Anonymoushttps://www.blogger.com/profile/17235526572677635207noreply@blogger.comtag:blogger.com,1999:blog-9092970177046142644.post-89710353675164145412016-10-18T17:00:48.390-07:002016-10-18T17:00:48.390-07:00Hi, Milena, if you look above in the post at the g...Hi, Milena, if you look above in the post at the graphics, you can see the whole thing.<br /><br />y = mx^b<br /><br />The graphic below shows how you calculate m and b for the formula. This assumes you have a set of scores (N).The Science Goddesshttps://www.blogger.com/profile/02846516022505481326noreply@blogger.comtag:blogger.com,1999:blog-9092970177046142644.post-19716066595014117262016-10-18T08:14:35.244-07:002016-10-18T08:14:35.244-07:00Hello, I would be in urgent need (24 hours), for a...Hello, I would be in urgent need (24 hours), for a math related research in this field, to access the procedure which leads to the final formula. I'm in Italy and the book you suggest in this page would take several days to ship. An e-book is not available. Could you please help? In several versions of the formula online I find 4 variables (x,s,y,N). I am under the impression that there is one too many. In the formula you have applied how many variables do you have....3? (X,y,N, and you can calculate m and b). Could you please write the full formula below for me to check my results? Thanks a lot..Anonymoushttps://www.blogger.com/profile/01717772169240295909noreply@blogger.comtag:blogger.com,1999:blog-9092970177046142644.post-22337116061756805382016-09-20T11:32:48.919-07:002016-09-20T11:32:48.919-07:00Are there any Kindergarten 5 year olds Teacher?
Wh...Are there any Kindergarten 5 year olds Teacher?<br />What type assessments do you use?springalhttps://www.blogger.com/profile/05210739006213399390noreply@blogger.comtag:blogger.com,1999:blog-9092970177046142644.post-62107941484309173682015-12-11T16:55:56.724-08:002015-12-11T16:55:56.724-08:00No you are not missing something. The whole need f...No you are not missing something. The whole need for "power law" calculations is a byproduct of the limited scale (4 points) used for EACH and EVERY assignment. 15 minute quiz -- 4 point score recorded in the grade book. 50 minute test -- 4 point score recorded in the grade book. This is supposed to improve the "reliability" of each assessment; but all it really does is hide all the messy, inaccuracy of this process by pretending there is come true "curve" that is discovered through mathematical wizardry. <br /><br />Basically, this approach give more weight to assessments that come later in the series. Gee ... kind of like the old classwork (very little weight), quiz (a bit more weight), test (a whole bunch of weight) approach that teachers have been using for years. Anonymoushttps://www.blogger.com/profile/18246957611272510236noreply@blogger.comtag:blogger.com,1999:blog-9092970177046142644.post-3312446957252474342015-05-13T00:24:13.710-07:002015-05-13T00:24:13.710-07:00Hi what is that standard and how do you calculate ...Hi what is that standard and how do you calculate it? ThanksAnonymoushttps://www.blogger.com/profile/02112004835550867651noreply@blogger.comtag:blogger.com,1999:blog-9092970177046142644.post-39731004448857329172014-08-13T12:52:05.699-07:002014-08-13T12:52:05.699-07:00Does your excel file with the power law factor in ...Does your excel file with the power law factor in an adjustment for time differences between assessments?Draughn Physicshttps://www.blogger.com/profile/05951851371906768364noreply@blogger.comtag:blogger.com,1999:blog-9092970177046142644.post-34301424118791624272013-10-30T09:36:15.811-07:002013-10-30T09:36:15.811-07:00If we look carefully at the graphics you show, the...If we look carefully at the graphics you show, there's a serious disconnect. The student scores do not increase over time, but the next example, which shows how the formula works, has student scores that increase. I was really interested to see how you would suggest figuring out which assignments should be used in the trending, but this graphic has "homework," "homework," "quiz," "homework," "lab," "homework," and "test" listed. Are we to believe these all measured the exact same skill in the same way and with the exact same level of difficulty? If not, the trending is deeply unfair. If so, that teacher had to essentially give the same assignment to students 6 times to measure that one skill in order to measure a trend, which seems like a huge waste of both the students' and teacher's time. As our district's proficiency guru pointed out to me, for trending to be useful, you'd have to break down each standard into its component skills, then measure each one in the same way at least four times over the course of the semester. With, say, 40 CCSS in LA, that would mean 160 assignments per student per semester. I have 197 kids, so that would be 31,520 grades per semester, plus redos. Our guru says this would be a better way to do proficiency, but I'd like to carve out some time for teaching from all the assessment I've been doing. Though trending sounds better in theory, besides being more difficult to explain to parents, I think it requires a kind of teaching that's bad for kids and impossible for teachers. Am I missing something?Benjamin Gormanhttps://www.blogger.com/profile/15690290533167718706noreply@blogger.comtag:blogger.com,1999:blog-9092970177046142644.post-79876174218448107652013-04-12T07:10:46.080-07:002013-04-12T07:10:46.080-07:00Un millón de gracias!Un millón de gracias!Yhttps://www.blogger.com/profile/11388284924318435459noreply@blogger.com