Multiple-Choice Problems...

Jason Rippetoe jason at rippetoe.com
Wed Nov 12 05:01:49 CST 2003


  Thanks for the advice, Ken. It's an excellent suggestion and I'll give 
it a try.

Trying to think three-dimensionally,

-Jason

On Wednesday, November 12, 2003, at 02:21  AM, Ken Ray wrote:

> Jason,
>
> The problem is (IMHO) that you're removing the correct answers from the
> list so that you "eat away" at your overall list of answers. I would
> suggest that you maintain two lists in memory: one list is the one with
> all of the possible answers (basically what you read in button 1 -
> gSourceData), the other contains the list that gets correct answers
> removed when they are used so they won't be used again (I'll call it
> 'gAvailableData').
>
> When you start on a specific drill, you pick a line randomly from
> gAvailableData for the correct answer and remove it from 
> gAvailableData.
> You then temporarily copy gSourceData into a temporary variable, remove
> the correct answer ALSO, leaving you with a temporary variable that 
> only
> contains incorrect answers. Randomly pick the other three from this
> temporary variable, and run the drill. For each drill you do,
> gAvailableData will diminish, but gSourceData will not - thus avoiding
> the problem of having not enough data to do a drill.
>
> Hope this helps,
>
> Ken Ray
> Sons of Thunder Software
> Email: kray at sonsothunder.com
> Web Site: http://www.sonsothunder.com/ 



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