prase comments on Is Politics the Mindkiller? An Inconclusive Test - Less Wrong

14 Post author: OrphanWilde 27 July 2012 05:45PM

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Comment author: [deleted] 28 July 2012 08:54:32AM *  9 points [-]

Until the last paragraph, you only made the case that death penalty is better than life imprisonment, not that it is good. So I suggest moving that last paragraph higher up. Also, you suggest the only alternative to life imprisonment or death penalty is setting them free; how about fines, penal labour, torture à la A Clockwork Orange, pillory, etc.?

Comment author: Xachariah 28 July 2012 09:21:12AM *  8 points [-]

I realized now that I hadn't made a sufficient argument for execution specifically. I left out quite a few things, but It's such a monolith I'm not sure where to add things in.

There's a few competing options. A non-exhaustive list includes imprisonment (status quo), execution, legalization, rehabilitation, and fines/labor.

Imprisonment is bad and because it's the status quo I focused on it entirely. I consider it the worst of all options except fines/labor. Execution is a terrible option but, as I argue above, better than imprisonment. Fines/labor is the worst because it could incentivize people to increase the number of people who commit crimes in order to get free money/labor, as is already happening with red light cameras causing accidents just to generate more money. Legalization or setting them free is the best option for several classes of crime, but as I mentioned murder isn't one of them.

Rehabilitation / Clockwork Orange's system seems interesting depending on the data. Not the torture part; torture is something I don't condone since it would be expensive and ineffectual. However, ignoring Clockwork Orange's implementation, the idea of perfect rehabilitation is a powerful one. I know of an experiment with Norway's Halden Prison. It seems promising for a wide variety of criminals, though I'm curious about how they would deal with people who cannot be rehabilitated (eg, brain damaged). This approach is IIRC fairly new and I'm interested in what time will make of it.

I could very well see myself becoming an advocate of a pure rehabilitation system if it turns out to be successful.

Comment author: prase 31 July 2012 05:06:46PM 0 points [-]

red light cameras causing accidents just to generate more money

Could you describe the mechanism by which this happens? The link seems to include statistical studies showing correlation between cameras and accidents, but I can't imagine how this works causally.

Comment author: Xachariah 31 July 2012 07:49:25PM *  3 points [-]

Well, there is the government's FHWA study. There are a couple mechanisms.

The first is that sometimes running a red light is safer. People normally don't think about red light cameras and thus their impact on behavior only comes into play when after the driver is already in a position to get caught. This leads to people making unsafe stops when it would be otherwise more advisable to just go through the light. The link above shows an increase in rear-end collisions.

More relevant to the original point is how the city reacts. The city council enjoys money and shortens yellow light timings or blocks lengthening of yellow light timings, causing more crashes.

Comment author: gwern 31 July 2012 05:29:31PM *  1 point [-]

Looking briefly, they're all before-after correlational studies (longitudinal). These are not as good as randomized experiments, but they're still much better than a cross-sectional correlation (eg. "we looked at all traffic lights; ones with cameras have higher accident rates p=0.xyz").

For example, given a cross-sectional correlation result like that, there's a very easy retort: "people only install cameras at dangerous intersections!" The longitudinal design deals with that: "but they weren't so dangerous before the cameras were installed!"

Now a critic must look to less likely explanations: "maybe there has been a traffic-crime wave whose early phases caused both the installation and later increased traffic rates" (or something like that, I don't know much about the issue). It is to deal with all these more exotic variants that one wants to step up a level and add randomization.

Comment author: prase 31 July 2012 06:13:30PM 0 points [-]

The critic's default should probably be "publication bias" or something related.