probability of a stimulus

[Sara Agosta]

thank you!
Sara

2009/6/18 David Vinson <d.vinson at ucl.ac.uk>

>
> saraag wrote:
> > I have present one stimulus on the slide display, but the choice will
> > be between two stimuli, with a probability of 66% for stimulus1 and
> > 34% for stimulus2.
>
> One way to do this would be to draw this item from a List containing two
> items:
> stimulus1 (weight 66) and stimulus2 (weight 34).  If you want exactly 66%
> and
> 34% you could sample without replacement from this List; if approximately
> 66/34
> is good enough, you could sample with replacement.
>
> -dpv
>
> >
>

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