On Wednesday 01 July 2009 02:24:39 pm Ben wrote:
> But won't the algorithm will only behave like A if you keep getting
> the card right?  

Yes, good catch, I was assuming that you made no errors.

> Assuming the ideal sequence is as in B, then by
> definition when mnemosyne asks you about the card after a period
> longer than a year, you won't do well.  So won't the actual interval
> bounce around the ideal interval?  For instance, suppose the ideal
> interval is always 1 year.  I thought Mnemosyne would behave like
> this:
>
> Mnemosyne Internal         Grade User
>     (in years)             Gives Card
>      .5                       5
>      1                        4
>      1.3                      2
>      1.1                      3
>      .9                       4
>      1.1                      3
>      1.0                      4
>      1.2                      3
>      ...                     ...
>
> The numbers are just illustrations, but I thought Mnemosyne would
> shorten the interval if you gave the card less than a 4, and would
> lengthen it if you gave the card a 4 or 5.  So if the ideal interval
> is always 1 yr, won't Mnemosyne will approximate that, at least to
> some degree?

Actually, in your example all the grades are 'pass' grades. And even if you 
grade a card 2, the interval will still lengthen a bit, but not as much as 
with higher grades.

Cheers,

Peter


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