Question

[atieh bakhtiar]

Thank you so much .
Atieh Bakhtiar

On Fri, Jul 2, 2010 at 12:30 PM, Michiel Spape <
Michiel.Spape at nottingham.ac.uk> wrote:

>  Hi,
>
> If you have a list with 2 options (expected and unexpected), and both of
> these are nested lists, you can just set the weight of the former to 3 and
> the latter to one. That way, there’s a 1 in 4 chance of a cue being
> unexpected (i.e. 25%). This is almost literally explained in the infamous
> E-Primer: www.cognitology.eu, find pdf somewhere down the bottom of my cv
> (takes some time to load, often better to right-click save-as).
>
> Best,
>
> Mich
>
>
>
> *Michiel Spapé*
>
> *Research Fellow*
>
> *Perception & Action group*
>
> *University of Nottingham*
>
> *School of Psychology***
>
>
>
> *From:* e-prime at googlegroups.com [mailto:e-prime at googlegroups.com] *On
> Behalf Of *atieh bakhtiar
> *Sent:* 02 July 2010 14:16
> *To:* e-prime at googlegroups.com
> *Subject:* Question
>
>
>
> Hi
>
> I want to want to build a task which begins with the serial presentation of
> three words followed by a bias cue. Subjects use this cue to select or
> prepare the expect response.Following a 3s delay , a response cue gives 1.5
> s to respond .there are two types of response cues , with each cueing an
> Expected or Unexpected response ,resulting in four conditions at
> responses.When a word (repeat ) cue was presented at response , subjects
> covertly repeated the word and pressed a button. On 75% of repeat trials ,
> the word cued the Expected response, on 25% of trials , the response has to
> be unexpected . I want to know how can I build this task to show 75%
> Expected and25% Unexpected... I mean how can I determin percentage of them?
>
> Thanks
>
>
> --
> Atieh Bakhtiar
>
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-- 
Atieh Bakhtiar

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