Douglas_Knight comments on Fix it and tell us what you did - Less Wrong

41 Post author: JulianMorrison 23 April 2009 02:54PM

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Comment author: thomblake 23 April 2009 07:09:59PM 1 point [-]

You mean, as opposed to personal experience?

No, as opposed to empirical data with some of the usual bias-correction measures like proper sampling.

That is, does someone else having an experience actually make your own experience less valid?

No, just internally flagged the comment as "not worthwhile" because it relied upon anecdotes where clearly data would be more appropriate. But a comment with no such mention should not be more valuable, so this seems to be an overcorrection.

Comment author: Douglas_Knight 24 April 2009 12:07:21AM 1 point [-]

Asking for good bias-correction is an absurd standard of evidence. You don't ask that of most information you use. Moreover, I bet you're very biased on when you think to apply this standard.

It's not entirely clear what pjeby means. If it's just self-experimentation, it's basically a single anecdote and not terribly useful. But I assume that he's talking about his clients, still a biased sample, but as good as it's going to get.

Comment author: pjeby 24 April 2009 12:39:24AM 1 point [-]

It's not entirely clear what pjeby means. If it's just self-experimentation, it's basically a single anecdote and not terribly useful.

The supreme irony of this train of thought is that my original suggestion was for people to apply good evidentiary standards to their self-experiments. So we are now debating whether I have a good standard of evidence for recommending the use of good standards of evidence. ;-)

But I assume that he's talking about his clients, still a biased sample, but as good as it's going to get.

Sort of. I noticed that if I didn't define what I was testing before I tested it, it was easy to end up thinking I'd changed when I hadn't. And I tend to notice that when my clients aren't moving forward in their personal change efforts, it's usually because they're straying off-process, most commonly in not defining what they are changing and sticking to that definition until they produce a result. (As opposed to deciding midstream that "something else" is the problem.)

Comment author: Douglas_Knight 24 April 2009 03:04:41AM 1 point [-]

"not terribly useful" was wrong. It should have been something more like "not generalizable to other people." We certainly agreed with your standard of evidence, but there's a big gap between a failure mode likely enough to be worth adding steps to fix and an "extremely high risk."

This post makes it sounds like there's a lot of room for confirmation bias, but that doesn't bother me so much; in particular, it is a lot better than if it's just you.