Collect response during blank

Aad Pors aadpors at gmail.com
Wed Aug 20 09:06:56 UTC 2014


Indeed. But in my opinion, since the Time Limit in the StimExp properties 
has been set to 1150 ms, responses that are provided during BlankExp 
presentation should be recorded as responses to the stimulus slide (as 
Eprime intrinsically does). 
Furthermore, if I would indeed add a second ResponseObject, would it not be 
necessary to "copy/paste" the whole script for the second response object 
as well?

Op woensdag 20 augustus 2014 10:58:51 UTC+2 schreef Katrin:
>
> Hi Aad, as far as I get it the problem is that as Response Object you only 
> choose the stimulusslide.  I am referring to the following line: 
> Set theResponseObject = CRteRunnableInputObject(Rte.GetObject("StimExp")) 
>  
> You have to probably create two Response Objects(1 and 2) ...
> Best
> Katrin
>
>
> 2014-08-20 10:50 GMT+02:00 Aad Pors <aad... at gmail.com <javascript:>>:
>
>> Dear all,
>>
>> *The experiment*
>> 250 ms text stimulus followed by a 900 ms empty text screen (blank). 
>> Single keyboard button responses thoughout this cycle of 1150 ms.
>>
>> *The goal*
>> To collect multiple button presses and releases that are omitted during 
>> on-screen time of the stimulus (StimExp) and the blank (BlankExp), with 
>> their respective response times.
>>
>> *The InLine script*
>>
>> *- - - - - - - - - - - - - - - - - - - *
>>
>>  Dim theResponseObject As RteRunnableInputObject
>>  Set theResponseObject = CRteRunnableInputObject(Rte.GetObject("StimExp"
>> ))
>>
>> 'If the assert below fires, then the object named in the line above does 
>> not exist
>>  Debug.Assert Not theResponseObject Is Nothing
>>
>> 'Counter variable for the number of responses made
>>  Dim nPressCount As Long
>>
>> 'Counter variable
>>  Dim nIndex As Integer
>>
>> 'Used to set attributes for statistics
>>  Dim strStatistic As String
>>  'Enumerate through the response collection 
>>  'If any of the responses were made by the keyboard, display
>> 'the statistics to the user. 
>>  For nIndex = 1 To theResponseObject.InputMasks.Responses.Count
>>
>>  'Set theKeyboardResponseData equal to the current keyboard response
>> Dim theKeyboardResponseData As KeyboardResponseData 
>>  Set theKeyboardResponseData = 
>> CKeyboardResponseData(theResponseObject.InputMasks.Responses(nIndex))
>> If Not theKeyboardResponseData Is Nothing Then
>>
>> 'Increment the press count
>> nPressCount = nPressCount + 1
>>
>> 'Log reaction time and response for each key press.
>> c.SetAttrib "KeyPress" & nIndex & "RT", theKeyboardResponseData.RT
>>  c.SetAttrib "KeyPress" & nIndex & "RESP", theKeyboardResponseData.RESP
>>   End If
>>
>>
>> Next 'nIndex
>>
>> *- - - - - - - - - - - - - - - - - - - - - -*
>>
>> *The problem*
>> The time limit in the StimExp object has been set to 1150 ms. Therefore, 
>> Eprime does what it is supposed to do: it records all button presses and 
>> releases (as set by me), but keeps records on the response time of the last 
>> input only. Te Script works, as long as the responses are provided during 
>> the on-screen time of the stimulus. Inputs whilst the blank is being 
>> presented are not recorded by the script. 
>>
>> *The question*
>> How do I solve this problem? I can't figure it out on my own.
>>
>> Regards,
>>
>> Aad
>>
>> PS, the origin of the script is the Multiple Responses example of PST 
>> support.
>>
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>
>

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