Feedback for anticipation

[David McFarlane]

Mich,

Oops, my apology, you stand vindicated.  My examination and comments 
about multiple overlapping Jump Labels still stands, but taking a 
further look at your post I see that you never advocated such a 
thing, you clearly exhibit using different Jump Labels over different 
Time Limit periods, and that should work as you describe.

Best regards,
-- David McFarlane, Professional Faultfinder


At 3/15/2010 01:43 PM Monday, you wrote:
>Mich,
>
>>Without inline, the easiest thing would be to make some kind of 
>>nasty spider-web of a programme containing multiple jump labels:
>>
>>Fixation-->if response jump label1
>>Fixation-->no response-->images-->some kind of response-->jump label2
>>Procedure:
>>Fixation-->Stimuli-->Response-->Label1-->SoundWarning-->Label2-->EndOfTrial
>
>Funny you should mention using multiple overlapping Jump Labels, 
>since I just looked into this myself a few weeks ago.  Did you ever 
>get that to work yourself?  How?  I found it completely impossible 
>for the following reasons:
>
>1) Any one E-Studio object has only one Jump Label that applies to 
>all its End Action = Jump input masks; i.e., E-Studio has no 
>mechanism for allowing multiple Jump Labels from any one object.
>
>2) To circumvent that, I used two objects with overlapping extended 
>input Time Limits, giving a different Jump Label to the input mask 
>for each object.  In this case, any input that I gave that had End 
>Action = Jump jumped to the Jump Label from the second object, never 
>to the Jump Label from the first object.
>
>3) If you look into the code generated by E-Prime, you will see why 
>this must be so.  First, you will see that every Label object 
>produces the following code:  If Err.Number = ebInputAccepted Then 
>...  Second, you will see a line like On Error Goto MyJumpLabel back 
>up by where your input mask gets reset (and note further that 
>MyJumpLabel never appears in the input mask definition 
>itself).  From that you will see that E-Prime implements Jump Labels 
>merely by some clever hijacking of the error handling facility built 
>into Visual Basic.  And since Visual Basic (and thus E-Basic) can 
>have only one error handler in effect at any time, E-Prime can have 
>only one Jump Label in effect at any time.
>
>
>Just trying to keep the record straight.  Of course, you will not 
>find anthing about this in the documentation from PST.  And as 
>usual, do not take even my word for any of this, you have to try it 
>out for yourself.
>
>Best regards,
>-- David McFarlane, Professional Faultfinder

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