TE
科技回声
首页24小时热榜最新最佳问答展示工作
GitHubTwitter
首页

科技回声

基于 Next.js 构建的科技新闻平台,提供全球科技新闻和讨论内容。

GitHubTwitter

首页

首页最新最佳问答展示工作

资源链接

HackerNews API原版 HackerNewsNext.js

© 2025 科技回声. 版权所有。

Students Ace Textbook Physics While Struggling With Basic Understanding (video)

72 点作者 vinutheraj超过 15 年前

12 条评论

stcredzero超过 15 年前
The headline reminds me of Feynman's account of teaching physics in Rio. Every student could stand and deliver a verbatim retelling of all the definitions in the textbook. They had just covered polarized light. The classroom had a beautiful view of the bay, with sunlight glinting off the water.<p>Feynman asks for and gets a recitation about polarized light, which includes a bit about reflected light being polarized. He then turns towards the window and asks the class for an example of polarized light. The whole class is flummoxed. Everyone could recite, but none of them could <i>apply</i>.<p>EDIT: I remember the day, being a TA for a Comp Sci 101 class, when I realized that a lot of the most vocal and active members of the class were more interested in the <i>mechanics</i> of lectures and tests than the material. It was all a game. I put stuff on the blackboard and in the handouts, and they spit it out on the test sheet. We have become a society of appearances and bureaucratic mechanism. Most college students go through the motions and get their paper, then go home thinking science is just more made up bullshit like politics. These folks laugh when you talk about evolution as reality, and can only reason abstractly at the level of a grade schooler. Many of them graduate, vote, and get promoted to positions of authority.
评论 #1023215 未加载
评论 #1023320 未加载
评论 #1024058 未加载
评论 #1023329 未加载
评论 #1023587 未加载
tokenadult超过 15 年前
Eric Mazur is a very thoughtful researcher on effective physics education. See his writings online<p><a href="http://mazur-www.harvard.edu/publications.php?function=searchbyid&#38;author=3" rel="nofollow">http://mazur-www.harvard.edu/publications.php?function=searc...</a><p>for articles on physics education from his paradigm-challenging perspective.
teeja超过 15 年前
This is really excellent ... and it makes you think: we (US) used to have one-room schoolhouses where <i>the older kids helped the younger kids</i>. Another thought: a lot of the differences between the prof and students would be removed <i>by physical discovery</i> rather than lecturing.<p>I never liked lectures. What kept me going was talking to people and DOING stuff. And those things I retained for DECADES ... the rest was gone in a year or two.
DaniFong超过 15 年前
For anyone who this video resonates with, I suggest watching the highly entertaining Bollywood hit 3 Idiots, about three mechanical engineering students a a prestigious indian engineering college, struggling against their autocratic principal :-)
mquander超过 15 年前
This title was suggested verbatim by JabavuAdams in a recent thread: <a href="http://news.ycombinator.com/item?id=1022269" rel="nofollow">http://news.ycombinator.com/item?id=1022269</a><p>I think it's slightly unethical to take it word-for-word without giving a hat tip.<p>That said, this is a rather remarkable video if, like me, you don't know much about the theory of education (I showed it to a smart friend who teaches undergraduate literature and he said that it was all old hat to him.)<p>What really stood out to me was the hard data behind Mazur's conclusions -- it's "common sense" that students do better when engaging in the process of learning, but I had never before seen it so convincingly demonstrated.
评论 #1023081 未加载
RK超过 15 年前
When I was in physics grad school we used the Force Concept Inventory for assessing the intro level physics classes. It was always very interesting and showed that they were able to greatly increase understanding over the course of a few years by focusing on a few areas.<p>I feel that (introductory) physics education has benefited greatly from education research, partly because data can be easily collected and at universities you can adapt and iterate on a semester (or annual) time scale.<p>It would be nice if this model could be adapted to other areas, such as graduate physics, but the normal response is that grad students are supposed to be responsible for their own learning...
cabalamat超过 15 年前
If you can pass the exam without understanding the subject, the exam is badly designed.
评论 #1023278 未加载
评论 #1024053 未加载
nonsequitur超过 15 年前
The complete "Force Concept Inventory" test (PDF): <a href="http://shs.westport.k12.ct.us/physics/2007-2008/FCI-rv95.pdf" rel="nofollow">http://shs.westport.k12.ct.us/physics/2007-2008/FCI-rv95.pdf</a> <a href="http://bit.ly/8YeiOZ" rel="nofollow">http://bit.ly/8YeiOZ</a> (mirror)
cpr超过 15 年前
Greatly enjoyed the talk.<p>But, really, taking what he's doing to the limit (he even says so himself) is just re-creating the Socratic method. (Though choosing the questions is hard work, as he notes.)<p>And he can't do that, given his large class sizes (one of my classes at Harvard was 700+ people, Ec 101 with Samuelson from MIT), so he uses this peer-teaching approach to work around the limitation that he can't sit down with a small group of them and work through the questions.<p>That's why we are sending some of our home-educated kids (those that show the interest in and capacity for a rather intense education) to Thomas Aquinas College in Ojai, CA.<p>It's probably the only school in the world that uses 100% Socratic method for all courses (each no larger than 17 people), with no electives all 4 years, outside of St. John's of Annapolis/Santa Fe (on which TAC is modeled to some degree).<p><a href="http://www.thomasaquinas.edu" rel="nofollow">http://www.thomasaquinas.edu</a> for those interested.<p>(Yes, it's an unabashedly Catholic school, but that doesn't diminish the intellectual rigor in the least. It's also in one of the most beautiful spots in the world, in the foothills of the mountains north of LA, near Ojai, which is where the 50's film "Shangri-La" was made and which is still a spa/resort area today.)
评论 #1023219 未加载
评论 #1023839 未加载
aaronsw超过 15 年前
For people interested in this stuff, Howard Gardner's book _The Unschooled Mind_ collects similar results from every discipline, from computer science to history.<p><a href="http://books.google.com/books?id=DVB1n_KkYEQC" rel="nofollow">http://books.google.com/books?id=DVB1n_KkYEQC</a><p>For more on CS, of course, you'll want to read <a href="http://www.cs.mdx.ac.uk/research/PhDArea/saeed/paper1.pdf" rel="nofollow">http://www.cs.mdx.ac.uk/research/PhDArea/saeed/paper1.pdf</a>
评论 #1028298 未加载
Luc超过 15 年前
Does anyone know what textbook he's referring to as the one he used as a base for his original lectures? Sounds like 'Weidner and Selz', supposedly out of print? <a href="http://www.youtube.com/watch?v=WwslBPj8GgI#t=22m53s" rel="nofollow">http://www.youtube.com/watch?v=WwslBPj8GgI#t=22m53s</a>
jmah超过 15 年前
Slides here: <a href="http://mazur-www.harvard.edu/sentFiles/MazurTalk_1516.pdf" rel="nofollow">http://mazur-www.harvard.edu/sentFiles/MazurTalk_1516.pdf</a>