Hi Filiz,<br><br>Eprime will randomise by-row, so having multiple attributes in separate columns is not a problem at all. In other words: stimulus filename and correct response will stay paired, even after shuffling the trials. This mechanism is explained in the manuals and demonstrated in lots of examples offered by PST. If you use nested lists you should put both attributes in the same list to make sure they stay together. And once you have the CorrectResponse values in a separate attribute, you can simple put a reference to this attribute in the 'correct response' property of the input mask (using the bracket syntax: [CorrectResponse]).<br>
<br>best,<br>paul<br><br><div class="gmail_quote">2012/11/19 filiz gözenman <span dir="ltr"><<a href="mailto:filizg@gmail.com" target="_blank">filizg@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br><div>Hi Paul,</div><div><br></div><div>The problem is my correct answer attribute is also has to be filename of the stimulus. Correct answer changes every time according to the presented stimulus, and stimuli are presented randomly from a list. So I had to set the correct answer attribute as "image1.bmp'. I guess I need an inline script to convert the responses from keyboard presses (i.e. pressing 1 on keyboard means selecting image1, pressing 2 on keyboard means selecting image2 & "image1.bmp"=image1) So that I can compare and calculate accuracy. However I don't know how to write one.</div>
<div><br></div><div>Filiz</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Nov 19, 2012 at 12:49 PM, Paul Groot <span dir="ltr"><<a href="mailto:pfc.groot@gmail.com" target="_blank">pfc.groot@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Filiz,<br><br>Just add another attribute to the trial list. You should have an attribute that contains the filename of the stimulus image (i.e. "BmpFile") and another for the correct answer (i.e. "CorrectAnswer"). Don't try to combine this info into a single attribute value. <br>
<br>In some cases it might be useful to create a small inline script that determines the correct answer at runtime and sets the CorrectAnswer attribute on the fly. (By mapping the name of the bitmap to a specific key, for example.) But only do this when you really have to...<br>
<br>Best<br>Paul<br><br><br><div class="gmail_quote">2012/11/19 filiz gözenman <span dir="ltr"><<a href="mailto:filizg@gmail.com" target="_blank">filizg@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div>
Hello,<div><br></div><div>I have a problem with setting the correct answer. In the trial list the correct answer is set up according to the image name as an attribute. Each time 4 random images are shown and one of the image is the correct answer, so I had to set the correct answer attribute as "image.bmp". I cant set the correct answer as my attribute because it doesn't let me to use ".bmp" list. Also since this is a recall memory experiment, subjects have to press numbers from 1-6 for choosing the stimuli. Thus, their recorded response is just numbers. While the responses are numbers and the correct answers are ".bmp" names I can not compare them and get the accuracy. Is there a simple way to compare the correct answer and responses? What I do is converting both correct answers and responses on excel, but that takes A LOT OF time. </div>
<div><br></div><div>Thank you in advance,</div><div>Filiz </div></div></div><span><font color="#888888"><span><font color="#888888">
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