Gwern Branwen wrote:
On Wed, Jan 13, 2010 at 8:52 AM, Michael Campbell
<[email protected]> wrote:
Back up a second - what is the meaning of "leech" in this vernacular?  Why
would I want to find them?  (I'm not being argumentative, I'm truly
curious.)

... cards that for whatever reason have
proven really difficult to remember, and for that reason keep coming
up and 'leeching' your review time. They are time-wasters,
discouraging, ineffective, and indicative of being either irrelevant
or badly formulated. Any of those is enough to want to know about them
for analysis & action.

Interesting. Perhaps it's just a matter of perception, but I thought the whole point of these algorithms is more or less FOR the "leeches". If it's hard and tends to monopolize your review time, they should. That's the idea, right? Until they stop being hard? And if they practically never do, then perhaps they shouldn't and the spacing algorithm is doing its job.

I get the possibility of a card being badly formulated and discouraging points, I guess, and maybe I just don't have enough cards to make it a big deal but I relish the leeches; those are specifically the ones I want to focus on. I guess the whole thing just sounds like a "math is hard, let's go shopping" simile.

<shrug>  To each their own.



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