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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.

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 of (selected?) events. This may be messy, but can be done later and elsewhere (e.g. Google charts, if they can be combined). Also, setting up icons for events/ordinals would be nice.

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 possibly even monetize this by keeping the app free and offering an awesome analytic service online (I'd pay $10 for 10 instances of auto-generated full analysis report).

Psychopathy and the Wason Selection Task

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

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 specifies if lights are on, other specifies if there is electricity.
  • Told them that "if lights are on, there must be electricity in the house" and individually asked which house(s) they must check (flip) to see if any of them are impossible.

This isn't a good test. I'd much rather go for something more primal, such as "If you don't eat, you will die".

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. "If lights are on, there is electricity in the house").

/me goes off to test this on a couple of linguistics students

Result: One correct and one incorrect answer.

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 soon as the script is run. I could come up with a version that only marks them as read once you click that thing in upper left corner. Let me know if you're using it or if you'd like anything changed/added.

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 written down. Seems like a perfect example of a mutilated dataset and what Jaynes was talking about - if the doctor has a wrong model in mind while collecting data, (s)he is more likely not to collect important information.

I heard that the people at CERN don't let a bit go unstored. But are there variables not measured at all, due to our existing models of the universe.

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