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Official Less Wrong Redesign: Call for Suggestions

RSS for the comment page can do that. Same for recent comments on a post. Still, actual html would be nice.

Official Less Wrong Redesign: Call for Suggestions

You can append "?context=100" to the comment permalink.

1Emily10yIt would be better if this wasn't necessary!
Life-tracking application for android

Just some thoughts before I start my sleep interval :)

Plugins are great, especially because each can request individual permissions. That way, users don't get scared away by permission requests. Some example code here.

Widget: yes, 1x1 [start|end|track|new_event|happy] button would probably be best. One can arrange those as they see fit.

Ordinal values: perhaps just an autocomplete option for event labels.

As for analytics, perhaps draw selected intervals above each other with selected tracks plotted over them (each with own scale) and vertically write labels... (read more)

1Alexei10yAdded CSV export option.
Life-tracking application for android

Thanks! I was looking for something like this after reading the luminosity sequence again. Haven't found any on the android market.

Feature requests:

  • You could make it respond to specific intents to create (and let others create) separately-installed plugins (e.g. a plugin with location permission to automatically track where you are, one with internet permission to track various karma etc.).
  • Tracking ordinal values (e.g. happy, anxious, happy+anxious...)
  • A widget
  • Data export
  • More analytical tools, perhaps something to compare tracks/events.

You could pos... (read more)

1Alexei11yThank you for the thoughtful comment. * Plugin feature would be really nice, but not the easiest feature to implement. I like your idea of using intents though, so I will look into it. * Yes, adding mood tracker and, more generically, ordinal values tracker is on my TODO list. * Widget sounds like a good idea, I'll add it to my TODO list. (I assume you'll want to just create a widget for one track/interval type.) * Yes, I am planning to add CSV import/export option. * I would love to add more analytical tools, but I can't think of any that would be really useful. I would be interested to know what people are tracking and what exactly they are trying to see/measure. I am thinking about adding a paid version with more features, but I doubt I'll make enough money to really justify that. I was planning to have ads in the version I published, but I just couldn't bring myself to do that to the users. I hate ads.
Psychopathy and the Wason Selection Task

Nice. Same applies for extracting interfaces in programming (e.g. IComperable).

3gjm11yPresumably IComperable is the interface implemented by objects representing staged events such as concerts, galas, and quizzes.
Psychopathy and the Wason Selection Task

Yeah, I expected someone to point out a paper where this has been done (online Wikipedia references don't have it and I couldn't find the papers Ermer cited).

The paper presents good evidence in favor of its hypothesis, but I am more interested if ordinary people really do logic better in social context as opposed to other real-world tasks.

As for the test:

  • Made four cards out of paper, drew a lightning bolt, a light bulb, a crossed-out lightning bolt and a crossed-out light bulb. Back of the cards was empty.
  • Presented the cards as houses - one side specifi
... (read more)
Psychopathy and the Wason Selection Task

when framed in terms of social interactions, people's performance dramatically improves

From the Wikipedia article, after invoking evolutionary psychology and social interaction to explain the improvement:

Alternatively, it could just mean that there are some linguistic contexts in which people tend to interpret "if" as a material conditional, and other linguistic contexts in which its most common vernacular meaning is different.

It shouldn't be hard to present the test as a real world example that doesn't involve social interaction (e.g.... (read more)

3magfrump11yTwo results isn't enough to get a hold of probabilities like 40% and 70%; can we get ten linguistics students surveyed? I know three and could test them. Can you describe the test in more detail?
Open Thread June 2010, Part 4

Here is some javascript to help follow LW comments. It only works if your browser supports offline storage. You can check that here.

To use it, follow the pastebin link, select all that text and make a bookmark out of it. Then, when reading a LW page, just click the bookmark. Unread comments will be highlighted, and you can jump to next unread comment by clicking on that new thing in the top left corner. The script looks up every (new) comment on the page and stores its ID in the local database.

Edit: to be more specific, all comments are marked as read as s... (read more)

1W-Shadow11yI made a similar Greasemonkey script [http://w-shadow.com/blog/2009/10/12/newslight-greasemonkey-script/] some time ago.
Less Wrong Book Club and Study Group

re: old ideas

I can't really figure out what he means by that. His example with dangerous doses of artificial sweeteners seems to be about asking the wrong question. It seems logical that no amount of data can get you the right answer if you don't ask the/a right (set of) question(s).

He goes on about mutilating datasets, which seems to me a sin. Me, with GBytes of storage on my PC. When the medium of storage is paper, data gets mutilated. Consider a doctor writing up anamnesis: patient talks on and on, but only what the doctor considers relevant data is wri... (read more)

1cata11yI believe Jaynes was implying that since the experimenters didn't have a threshold model in mind, the experiment did not measure a broad enough range of doses to distinguish between a linear response and a threshold. For example, if the only tests of the sweetener were at doses which produced harmful effects, then it might be impossible to derive the correct model based on only that data.
Less Wrong Book Club and Study Group

Will participate (online only, living in Serbia). Additional back-and-forth on IRC seems like a good idea.

Babies and Bunnies: A Caution About Evo-Psych

This pretty much convinced me that the fine variances of sexiness have much more to do with memes than genes. It shouldn't be hard to test if it is the case with cuteness as well: just find a culture that hasn't been exposed to Disney/Pixar films.

4bogdanb11yNot that hard to do. Look at woman representations in art. Until the last century, they were quite different from current photo-models. (I tend to think of most of them as “fat”, despite the fact that I know they’ve better reproductive characteristics.)
Open Thread: February 2010, part 2

The harmless surprise hypothesis fits my data pretty well. But are you sure repetition-based humor isn't just conditioning people to laugh at a certain thing (catch-phrase or a situation)?

On the other hand, butt-of-a-joke hypothesis also sounds plausible.

Debate tools: an experience report

There is an option in the bCisive application, under the "spaces" tab to turn on guest access. It should supply you with an URL you can include in your post here. Without turning that option on, we would have to register, and you would have to invite each of us to view the argument map.

So: "spaces" -> "cryonics" -> "manage" -> turn on guest access

0Morendil11yI thought I had enabled guest access. My apologies. I'll check. EDIT: the URL is fixed. Thanks for the heads-up.
False Majorities

anyone know how to quote this url properly using the [ ] ( ) markup

\ before )

So: http://en.wikipedia.org/wiki/Blink_(book) )

Open Thread: February 2010

Possibly related: I have a bet going with a reddit-acquaintance; basically, I gave him an upvote, and if x turns out to be true, he donates $1000 to SIAI.

If members of this community have an accurate, well calibrated map, making bets could be a cost-effective way to pump money into SIAI or other non-profits/charities (which signals caring as well as integrity).

Is such a thing in the realm of Dark Arts?

0orthonormal11yAs may microexpressions and other things of which we're not often consciously aware. This doesn't go to the level of a single photograph, but the (badly-named) truth wizards [http://en.wikipedia.org/wiki/Wizards_Project] can "observe a videotape for a few seconds and amazingly they can describe eight details about the person on the tape." We communicate more than we think.
Dennett's "Consciousness Explained": Prelude

I too would generally regard observations of black ravens as being weak evidence that all ravens are black.

Weak evidence, but evidence nonetheless. I read the essay again, and it appears that what the author means is that there exists a case where observing a black raven is not evidence that all ravens are black; the case he specified is one where the raven is picked from a population already known to be consisting of black ravens only. In some sense, he is correct. Then again, this is not a new observation.

He does present a case where observing a red h... (read more)

Dennett's "Consciousness Explained": Prelude
  1. Red herrings may (and black ravens may not) constitute evidence that all ravens are black.

Most of his other points rely on loose definitions, IMO ("rational", "justified", "selfish", "cat"), but this one seems plainly wrong to me, as he seems to attach the same meaning to the word "evidence" as LW does (although not that formal).

I'm not saying philosophers do not contribute to problem-solving, far from it. It may be that he is wrong and this is not "at least as well-established as most scientific ... (read more)

0timtyler11yhttp://www.philosophyetc.net/2005/09/raven-paradox-essay.html [http://www.philosophyetc.net/2005/09/raven-paradox-essay.html] Fair enough, I think. I too would generally regard observations of black ravens as being weak evidence that all ravens are black.
Fictional Evidence vs. Fictional Insight

A main form of insight is a hypothesis that one hadn't previously entertained, but should be assigned a non-negligible prior probability.

I think of this as P(hypothesis H is true | H is represented in my mind) > P(H is true | H is not represented in my mind), largely because someone likely did some calculations to hypothesise H (no matter how silly H may seem, e.g. "goddidit", it's better than a random generator, with few exceptions).

So, in a way, I consider the act of insight as evidence (likelihood ratio > 1) for the insight itself (the hypothesis).

1Kazuo_Thow11yHow would this probability be assigned?
When does an insight count as evidence?

Sweet, but according to the wiki the lightsaber doesn't include full Bayesian reasoning, only the special case where the likelihood ratio of evidence is zero.

One could argue that you can reach the lightsaber using the Bayesian blade, but not vice versa.

0Paul Crowley11yThe lightsaber does include full Bayesian reasoning.
When does an insight count as evidence?

when, if ever, does an insight count as evidence?

I suspect you use the term "insight" to describe something that I would classify as a hypothesis rather than observation (evidence is a particular kind of observation, yes?).

Consider Pythagoras' theorem and an agent without any knowledge of it. If you provide the agent with the length of the legs of a right-angled triangle and ask for the length of the hypotenuse, it will use some other algorithm/heuristic to reach an answer (probably draw and measure a similar triangle).

Now you suggest the the... (read more)

2Paul Crowley11ySadly, no; this is the "problem of induction" and to put it briefly, if you try to do what you suggest you end up having to assume what you're trying to prove. If you start with a "flat" prior in which you consider every possible Universe-history to be equally likely, you can't collect evidence for Occam's razor. The razor has to be built in to your priors. Thus, Solomonoff's lightsaber.
2Zack_M_Davis11y"Solomonoff's lightsaber [http://wiki.lesswrong.com/wiki/Solomonoff_induction]"
When does an insight count as evidence?

Thank you, and thank you for the link; didn't occur to me to check for such a topic.

Welcome to Less Wrong!

Male, 26; Belgrade, Serbia. Graduate student of software engineering. Been lurking here for a few months, reading sequences and new stuff through RSS. Found the site through reddit, likely.

Self-diagnosed (just now) with impostor syndrome. Learned a lot from reading this site. Now registered an account to facilitate learning (by interaction), and out of desire to contribute back to the community (not likely to happen by insightful posts, so I'll check out the source code).

When does an insight count as evidence?

If you are envisioning some sort of approximation of Bayesian reasoning, perhaps one dealing with an ordinal set of probabilities, a framework that is useful in everyday circumstances, I would love to see that suggested, tested and evolving.

It would have to encompass a heuristic for determining the importance of observations, as well as their reliability and general procedures for updating beliefs based on those observations (paired with their reliability).

Was such a thing discussed on LW?

1orthonormal11yLet me be the first to say I like your username, though I wonder if you'll regret it occasionally... P.S. Welcome to Less Wrong! [http://lesswrong.com/lw/b9/introductory_thread/]