2/20/2013 12:37:03 PM
As a middle school student I would not. I probably wouldn't have in high school also.
2/20/2013 1:10:38 PM
Well if the only way to "teach" them was to force them to sit through a lecture, then there's no material difference between forcing them to sit through a video lecture than a real one.Ideally they would occasionally behave and do work they're given. Then you could actually give them discretion as to when to watch a video and have discovery-oriented learning. But if the choice is between teaching to students not paying attention and not teaching to them at all, then I guess we're stuck with the former.
2/20/2013 2:35:59 PM
mrfrog, both of those videos you have posted are much worse, IMO, at teaching the subject than the Khan academy approach you have criticized. The history lesson about European colonists in North America is way too fast paced to comfortably follow, it has way too many distractions/jokes/not-on-point illustrations, and not enough facts. The algebra video is too boring and does not really use the technology wisely to illustrate the concepts taught in the video. It could have just as easily been an audio recording with three handouts attached, or, wait, could it be just another boring in-class lecture? Really, it's 2013 and the best they could do is put the instructor in front of a videocamera with a pre-marked whiteboard in the backround?Maybe Khan videos are too low tech and could be improved, but they are easy to follow and have a very high signal-to-noise ratio, both of which are essential to efficient learning process.
2/20/2013 3:03:28 PM
Anything other than pre-marked material doesn't make sense to me. The point of a video is to compress effort from more than the length of the video. If you could record yourself writing something out and then describe it as the words, equations, or illustrations are unfolding in faster than real time, that would hold attention. That exact style has become a popular internet format, i.e.:http://www.youtube.com/watch?v=u6XAPnuFjJcNow the challenge is using engaging tools to teach something that is validly boring. With math, maybe it's all just hopeless. Maybe the only way to teach math is to make them do it.
2/20/2013 3:17:14 PM
Let's have a direct comparison. Photosynthesis.crashcourse:http://www.youtube.com/watch?v=sQK3Yr4Sc_k1 video - 13:15Khan:https://www.khanacademy.org/science/biology/photosynthesis/v/photosynthesismain video - 13:37plus 6 more videosPerhaps crashcourse just doesn't have all the material? If you were actually going to teach this in school, what would you actually want to use?
2/20/2013 3:23:13 PM
I will have to watch these in the entirety later this evening, but the first minute of the Crashcourse video is 90% noise. The only facts you learn are that photosynthetic is a process that has been going on for millions of years, it consists in light dependent and light independent reactions, the latter are called the Calvin cycle, and a Caucasian guy in his twenties with no name or credentials will tell us all about it. There you go, I condensed 60 seconds of audiovisual information into 10 seconds of pure audio, and have not lost any signal.First minute of Khan video tells us, in a male voice with no credentials again, that photosynethesys is one of the most important biologicl processes that exists on earth, which is essential to life and which is utilized by plants, bacteria, and algie to convert carbon dioxide (chemical formula CO2) and water (H2O) into carbohydrates and oxygen by using sunlight. It was told in a way that reinforced audio data with simultaneous visual information, which is a very efficient way of learning reinforcement for many people (I consider myself a visual learner), and it also was accessible to people with hearing impairments.Also worth mentioning is that I had to sit though a commercial to get to the first minute of Crashcourse programming, while Khan is commercial-free.[Edited on February 20, 2013 at 4:00 PM. Reason : .]
2/20/2013 3:57:10 PM
Hank Green (from CrashCourse) has a bachelor's in biochemistry and a master's in environmental science; he also doesn't attempt to be as comprehensive as an actual course, rather adopting a popular-science tone.Salman Khan has a bachelor's in mathematics, another bachelor's (and a master's) in electrical engineering and computer science, and an MBA; his tone is more didactic.IMO CrashCourse is like Bill Nye the Science Guy, best used as engaging supplemental material to help students fit together at a high level the seemingly disconnected facts taught in lectures (this also goes for the much more engaging history videos narrated by Hank's brother John, which I watched all of as soon as I discovered them), while the Khan Academy videos are more in the spirit of the old GED on TV videos, best used to aid students struggling to understand the material at all.tl;dr: They both do have credentials (not teaching credentials, but still), but their videos are made for different purposes.[Edited on February 20, 2013 at 4:36 PM. Reason : Also worth mentioning is Adblock Plus.
2/20/2013 4:35:46 PM
I am not saying that they don't have credentials, I am just saying that even with all the extra data that goes into the first minute of these videos, the speakers are never introduced (with a lower third title or with a "hello, I am.. " introduction. I don't believe that in this case it is absolutely required information, since people who watch Khan Academy or Crash Course are likely to know who these guys are. But it is certainly more deserving of airtime or screenspace more so than than another corny joke or a bank of black pixels. In addition, maybe Khan or Hank will have a guest speaker one day, and it'd be nice to know that someone else is talking, to be able to look up some of his or her other work. All I was trying to do is to deduct every bit of useful information from the first minute of each video as seen by a random viewer to illustrate signal-to-noise concept. It is a very important question nowadays, with all these gigabytes of data that we are transferring back and forth, how much of it is really relevant? ni this block of data, what constitutes as knowledge, what constitutes as an aide to receiving and processing this knowlege, what constitutes as relevant but unnecessary data, and what constitutes "noise". When we have an answer to that, we will be able to deliver data more efficiently over the same bandwidth. Even if the bandwidth of electronic communication will keep rising, the bandwidth of human attention span is limited, so we out to make the best of it.[Edited on February 20, 2013 at 5:06 PM. Reason : .][Edited on February 20, 2013 at 5:07 PM. Reason : run on sentences.. low signal to noise ratio here....]
2/20/2013 5:03:43 PM
TED-Ed says it's targeted to flipping the classroom. Here is one video, and honestly the most academic one I've seen:http://www.youtube.com/watch?v=u6y2RPQw7E0#!It's mostly horrendous, almost the level of popularization to actual content as the History channel.They call their stuff "flips", which is pretty smart if you're trying to sell entertainment as education.http://ed.ted.com/lessons/featured
2/20/2013 5:05:05 PM
^I would say that this combo of pre-made animation/infographics/video overlaid with voiceover works best. That is a fairly good balance of keeping he viewer engaged and being informative. It doesn't have corny jokes like the history video from page 1 and the animations are much more on point.
2/20/2013 5:12:25 PM
2/20/2013 5:12:58 PM
2/20/2013 5:55:41 PM
he's not saying they don't have credentials, he's saying they never introduced themselves or provided or announced their credentialshe even explained that[Edited on February 20, 2013 at 7:17 PM. Reason : ... it was the very next part of what you quoted]
2/20/2013 7:17:02 PM
2/20/2013 7:24:15 PM
^ Its not my fault people in the government think they need to micromanage everything they spend money on. We can spend more money and still let each teacher rule their own classroom and each principal run their school.If people don't like it, we could actually elect principals and hold elections.
2/20/2013 10:15:54 PM
2/20/2013 11:16:23 PM
I'm completely serious. I'm not saying that everyone should get free broadband, I'm saying it would be more a more cost effective program than the current public school model.
2/20/2013 11:53:05 PM
2/21/2013 8:35:35 AM
2/21/2013 7:54:10 PM
2/21/2013 8:23:49 PM
2/22/2013 12:04:22 AM
2/22/2013 9:27:18 AM
THE ANSWER MUST BE AN EXTREME IN ONE DIRECTION OR ANOTHER AND CANNOT BE SOME NUANCED MIDDLE GROUND!It must be either KILL ALL POOR PEOPLE or GIVE POOR PEOPLE ALL THE MONEYS.
2/22/2013 9:40:08 AM
I totally agree with the negative income tax. That makes me a libertarian in favor or redistribution. To some, that might not make me a libertarian, and I'm okay with that.What I'm not in favor are things that are like a negative income tax but dress up like they're not. Often, those encourage bad parenting. While I'm not against government fixing the problem of bad parents, I am against them making it worse.
2/22/2013 9:47:40 AM
Is anyone trying to make a point in the context of education, or are we just pointing out the flaws in eachother's statements?
2/22/2013 9:49:30 AM
I can't believe that people on here that actually went though our education system are actually denying the benefits of free and universal access to basic education.
2/22/2013 10:47:20 AM
2/22/2013 10:53:54 AM
2/22/2013 11:06:35 AM
2/22/2013 11:30:26 AM
2/22/2013 11:47:59 AM
2/22/2013 11:59:41 AM
2/22/2013 12:00:34 PM
2/22/2013 12:30:12 PM
2/22/2013 12:39:43 PM
Quitting is always the easiest way out of dealing with a problem. Except that it doesn't fix the problem.
2/22/2013 12:43:40 PM
2/22/2013 12:59:43 PM
Another point to consider is that public school doesn't take your child away from you. You can still educate him after school. In fact discussing homework assignments and otherwise staying involved in your child's education is encouraged by the school system. The child get the best of both worlds (for some children, the best of one of the worlds is still pretty shitty however). It's not all-or-nothing decision. However, eliminating public education system (or not providing it in the first place, like is currently the case with pre-school in most states) IS all-or-nothing type of situation.
2/22/2013 1:16:05 PM
2/22/2013 1:41:20 PM
2/22/2013 1:42:26 PM
2/22/2013 2:04:13 PM
Sure, we should have sufficient economic opportunity and social cohesion for parents to choose to take years off of work or even home school. But very little of this conversation is about the top group of parents.
2/22/2013 2:32:07 PM
2/22/2013 3:09:33 PM
2/22/2013 3:15:36 PM
2/23/2013 11:10:41 AM
2/23/2013 12:27:56 PM
I'm kind of amazed how willing schools are to spend more money on personnel for special positions.I personally had speech lessons when I was probably K-5. Apparently people just didn't think I was clear enough when I talked. Took me out of class for 30 min periodically to have a special class of usually 2-3 people. Finally, when they gave me a choice I said no.
2/23/2013 1:10:14 PM
Just out of curiosity, when did school stop being 8AM-3PM? I see buses driving around at 9AM and see them back on the roads at fucking 2PM. It seems like it's only been in the last few years that I've noticed that.
2/23/2013 1:57:34 PM
School hours have been staggered for years. A lot of them have different schedules, but very generally, elementary schools run 9 to 3:30, middle schools run 8:00 to 3:00, and high schools go from 7:30-2:30. So you'll see buses on the road pretty much all day except like 10a-2p.You from a small town?
2/23/2013 3:26:27 PM
Yeah, schools all started at the same time everywhere I've lived. I didn't realize that it was common to stagger starts. I guess it makes sense in larger cities. Still though, shouldn't 7-8 hours be the norm? I mean, we had half day kindergarten in Missouri (at least at my catholic school), but everything else was 8-3 both here and in the town in NC I lived in during middle and high school.
2/23/2013 3:54:53 PM