Problem with setting new attribute to collect data

[gilis]

Hi,

In my experiment participants have to repeat the same trial until they
give the correct answer. Also, I want to know the time that was
requested to them to get to the correct answer, therefore I can't
relay on the standard RT that is logged to the data file. What I did
goes like that:

At the beginning of the procedure there is an inline in which I
defined new attribute:

c.SetAttrib "ResponseT",0

then after this inline there is a label I called "repeatuntilcorrect"
and after this label there is the slide "showword1" which present the
trial, after it I put this inline:

c.SetAttrib "ResponseT",c.GetAttrib("ResponseT")
+c.GetAttrib("showword1.RT")
while showword1.Acc=0
goto Repeat1
Wend


that is, at the end of each trial I should have the time passed from
the beginning of the trial to the participant correct response.

The problem(s?) I have is that first, in the data file the attribute
that I added (ResponseT) present the time in different manner-that is,
357 ms are presented as 0357. Second, unless I misunderstand
something, it seems like sometimes the slide RT (showword1.RT) is
longer than "ResponseT" and that of-course should never happen. I
would appreciate your assistance in solving these issues.

Regards,

Gilis

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