images randomized

[ben robinson]

start a new eprime file.drag a list item to the top of your.  if you have 20
images, make sure there are 20 rows in your list.  now add a column to your
list.  instead of "Attribute1" call it something meaningful, like
"pictures".  on each of the 20 rows type the name of one of your picture
files.  be sure to include ".bmp" on the end of each filename.  also on
every row, under the "Procedure" column, type "ShowPicsProcedure" and when
it asks if you want to create this procedure say yes.  put that same
procedure on each row of the list.  set the list to Random (without
replacement).
now go to your ShowPicsProcedure timeline, and add an ImageDisplay object,
"ImageDisplay1".  in the properties for this object, select one of your
image files.  doesn't matter which image file you select, because we're
going to write a little code to switch the image each time a new trial runs.
 also in the properties for ImageDisplay1 allow it to accept keyboard
responses, and tell it to terminate when a response is received.  now drag
an Inline object, "Inline1" onto the procedure timeline above/before your
ImageDisplay1 object.  open up Inline1 and type:
ImageDisplay1.Filename = c.GetAttrib("pictures")
ImageDisplay1.Load

that should pretty much do it.


On Tue, Apr 8, 2008 at 2:06 PM, edgar mesquita <edgarmesquita at hotmail.com>
wrote:

>
> Hi there,
>
> I´m trying to do the following experiment: I have 20 images that i
> want to be presented randomly with limited time duration (this I know
> how to do). The only kind of response (by the subject) that I want is
> time based (I will be measuring time). I've read the manuals but
> couldn't find anything of use. Can anyone help me
> pleaaaaaaaaaaaase..I'd really appreciate it
> >
>

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