Two questions

[Paul Groot]

If the stimuli are simple text string, it would be rather easy to do as
described before. The only thing to change is to to add another
if-statement to make sure that the current stimulus is only appended to the
feedback message if the response was "1":

if StrComp(Stim.RESP,"1")=0 then
   if Len(strMessage)=0 then
      strMessage = "These are the stimuli: "
   else
      strMessage= strMessage & ", "
   end if
   strMessage= strMessage& c.GetAttrib("Stimulus")
end if

Perhaps it is even better to replace the "if Len(strMessage)=0 then" test
with the following: "if counter=0 then". (To reset the message text if the
counter is reset to zero.)

best
paul


On 12 March 2013 22:21, Tim Ritzert <tritzert at kent.edu> wrote:

> Paul,
>
> Thanks so much for the help - the first part seems easy enough and I'll
> see how that goes.
>
> As for my second question: I want participants to go through a set of 100
> stimuli and answer either "1" "2" or "3" to each one, do this again until
> there are 7 or less "1" responses, and then at the end I want E-Prime to
> display the final 7 or less stimuli that were responded to with a "1" all
> at the same time. As I have it now, they display one at a time.
>
> Hope that makes sense, this is all new to me!
>
> -Tim
>
> Sent from my iPhone
>
> On Mar 12, 2013, at 5:01 PM, Paul Groot <pfc.groot at gmail.com> wrote:
>
> Tim,
>
> The easiest way to do this is to use the []-attribute syntax in the
> allowable field: [MyKeys]. The MyKeys attribute is normally defined in a
> list object, but you can also assign values in a small inline script:
>
> if counter<7 then
>     c.SetAttrib "MyKeys", "AaBb"
> else
>     c.SetAttrib "MyKeys", "XxYy
> end if
>
> I'm not sure if I understand the second question, but my guess is that it
> would be rather easy to keep a global variable that is used to ensemble an
> message string for the incorrect responses.
>
> if Len(strMessage)=0 then
>    strMessage = "You entered the following wrong responses: "
> else
>    strMessage= strMessage & ", "
> end if
> strMessage= strMessage& c.GetAttrib("Stimulus")
>
> This variable can then be used to display a feedback message (again using
> a []-attribute reference):
>
> c.SetAttrib "Message", strMessage
>
> You must also take care to clear the global strMessage variable at the
> start of each new series.
> (And don't forget to declare the global strMessage variable)
>
> Best
> Paul
>
>
> On 12 March 2013 20:53, Tim <tritzert at kent.edu> wrote:
>
>> I am running a study in which participants re-run trials based on
>> previous responses (i.e. errors are re-run until reaching a criterion of 7).
>>
>> That all works wonderful, however I would like to change the allowable
>> responses during certain re-runs of the stimuli. I already have cycle
>> counter declared as a global variable (counting the number of re-runs) but
>> I cannot determine the inline syntax necessary to tell E-Prime to change
>> the allowable responses based on the value of the cycle counter. Does
>> anyone know how this would be done?
>>
>> Also, does anyone know how to simultaneously display multiple levels of
>> the same attribute on one text display? This is for the same study as
>> above. Basically, when participants reach criterion of # of errors, I would
>> like to display all errors simultaneously.
>>
>> Thanks so much in advance,
>> Tim
>>
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