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Sep 30, 2023 at 18:43 comment added benblumsmith I understood it as a joke, but it horrified me anyway.
Sep 30, 2023 at 18:35 comment added Adam Rubinson I was being somewhat joking with my previous comment. Chill.
Sep 30, 2023 at 18:28 comment added benblumsmith Relevant aside: I'm of the strong opinion that (contrary to popular belief) doing math quickly is unrelated to doing it well researchinpractice.wordpress.com/2016/01/28/…
Sep 30, 2023 at 18:16 comment added benblumsmith @AdamRubinson - no no no, not at all! (a) you are a math teacher (b) you composed the problem (c) they are students learning the material for the first time. It is supposed to take them much longer! The multiplier I mentioned is a concrete piece of shop talk based on lots of practical experience. Also, if there's any uncertainty, the teacher should err on the side of a high multiplier: we are always tempted to make exams too long, which is stressful and unfair to students. The high factor encourages discipline in keeping the exam a reasonable length.
Sep 29, 2023 at 9:48 comment added Adam Rubinson Thinly veiled brag answer.
Nov 2, 2015 at 2:45 comment added Vandermonde Ah, the venerable rule of $2 \pi $.
Mar 30, 2014 at 2:40 comment added Andreas Blass I often use this method with a multiplier of 3 or 4.
Mar 28, 2014 at 19:58 comment added Roland For a first year engineer's exam, one (Assistant Professor) would write the test, and then some of the TAs would solve it. Our multiplier to get the real time was 3 to 4.
Mar 17, 2014 at 11:40 vote accept Brian Rushton
Mar 14, 2014 at 20:15 comment added benblumsmith Definitely if the problems involve coming up with some ideas, and I already know what ideas I want the students to use, then of course I have an "unfair advantage." But I'm addressing the question from a purely practical standpoint. In my experience, across multiple types of exams, this rule of thumb held pretty well; the factor of 6 to 8 made up for the "unfair advantage." If you are in a situation where it's not realistic to get other people to test-drive your exams before you administer them (this was always my situation), then this rule of thumb still gives you something to go on.
Mar 14, 2014 at 20:12 review First posts
Mar 15, 2014 at 6:32
Mar 14, 2014 at 19:58 comment added Markus Klein I really like the strategy. However, the problem is: If the one who created the exam wants to solve the exam for himself, he already knows how to answer the questions (If he has to calculate a lot of things, this is no real advantage due to the factor). I think, this really makes sense if someone else is trying to take the exam (at least if there are some questions where you have to think more than write or calculate).
Mar 14, 2014 at 19:54 history answered benblumsmith CC BY-SA 3.0