﻿<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>Millisecond Forums » Millisecond Forums » Inquisit 5  » Once Per Trial</title><generator>InstantForum 2017-1 Final</generator><description>Millisecond Forums</description><link>https://forums.millisecond.com/</link><webMaster>Millisecond Forums</webMaster><lastBuildDate>Wed, 08 Apr 2026 05:09:18 GMT</lastBuildDate><ttl>20</ttl><item><title>Once Per Trial</title><link>https://forums.millisecond.com/Topic30987.aspx</link><description>Hi all,&lt;br/&gt;I've created an experiment that employs a study/test or old/new paradigm.&amp;nbsp;&lt;br/&gt;Participants will get the chance to study 10 faces, and then they will be shown the same 10 faces for a second chance to study them.&amp;nbsp;&lt;br/&gt;I've created the list "Seen" which will hold the study faces, my problem is calling on the list twice so that each face is ONLY shown once per trial (Learning_Trial1 and RepeatLearning_Trial1). So, any given image will be shown twice in the learning block but only once per trial.&amp;nbsp;&lt;br/&gt;&lt;br/&gt;Thanks in advance!&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;Code below:&lt;br/&gt;&amp;lt;item fixation&amp;gt;&lt;br/&gt;/1 = " + "&lt;br/&gt;&amp;lt;/item &amp;gt; &lt;br/&gt;&lt;br/&gt;&amp;lt;text fixation&amp;gt;&lt;br/&gt;/items = fixation&lt;br/&gt;/select = noreplace&lt;br/&gt;/position = (50, 50)&lt;br/&gt;/ fontstyle = ("Times New Roman", 3%, false, false, false, false, 5, 0)&lt;br/&gt;&amp;lt;/text&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;item PoolofItems&amp;gt;&lt;br/&gt;/1 = " image1.jpg "&lt;br/&gt;/2 = " image2.jpg "&lt;br/&gt;/3 = " image3.jpg "&lt;br/&gt;.....&lt;br/&gt;/40 = "image40.jpg"&lt;br/&gt;&amp;lt;/item&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list 40items&amp;gt;&lt;br/&gt;/ poolsize = 40&lt;br/&gt;/ selectionmode = random&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Seen&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Not_Seen&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Seen2&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Not_Seen2&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt; ----&lt;br/&gt; &lt;br/&gt; &amp;lt;block Learning&amp;gt;&lt;br/&gt;/trials = [1-5= sequence(Learning_Trial1); 6-10= sequence(RepeatLearning_Trial1)]&lt;br/&gt;&amp;lt;/block&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial Learning_Trial1&amp;gt;&lt;br/&gt;/ stimulusframes = [1=fixation; 20= Seen]&lt;br/&gt;/ validresponse = (noresponse)&lt;br/&gt;/ correctresponse = (noresponse)&lt;br/&gt;/ timeout = 3000&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial RepeatLearning_Trial1&amp;gt;&lt;br/&gt;/ stimulusframes = [1=fixation; 20= Seen]&lt;br/&gt;/ validresponse = (noresponse)&lt;br/&gt;/ correctresponse = (noresponse)&lt;br/&gt;/ timeout = 3000&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture Seen&amp;gt;&lt;br/&gt;/items = Pool_of_Faces&lt;br/&gt;/select = list.Seen&lt;br/&gt;/position = (50, 50) &lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;------- Testing Phase&lt;br/&gt;&lt;br/&gt;&amp;lt;block Testing&amp;gt;&lt;br/&gt;/trials = [ 1-5 = noreplace(SeenFace, NotSeenFace)]&lt;br/&gt;&amp;lt;/block&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial Seen&amp;gt;&lt;br/&gt;/ stimulustimes = [1 = fixation ;1000  = SeenImage ]&lt;br/&gt;/ validresponse = (",",".")&lt;br/&gt;/ correctresponse = (".")&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial NotSeen&amp;gt;&lt;br/&gt;/ stimulustimes = [1 = fixation;1000  = NotSeenImage ]&lt;br/&gt;/ validresponse = (",",".")&lt;br/&gt;/ correctresponse = (".")&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture SeenImage&amp;gt;&lt;br/&gt;/items = PoolofImages&lt;br/&gt;/ select = list.Seen.nextvalue&lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;/position = (50, 50)&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture NotSeenImage&amp;gt;&lt;br/&gt;/items = PoolofImages&lt;br/&gt;/ select = list.Not_Seen.nextvalue&lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;/position = (50, 50)&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;expt UnInformed&amp;gt;&lt;br/&gt;/ onexptbegin = [list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex);&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen.appenditem(list.40items.nextindex);&amp;nbsp;list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); &lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; list.Seen.appenditem(llist.40items.nextindex); &lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;/blocks = [1=Learning; 2=Testing]&lt;br/&gt;/ groupassignment = random&lt;br/&gt;&amp;lt;/expt&amp;gt;</description><pubDate>Mon, 15 Mar 2021 11:44:49 GMT</pubDate><dc:creator>brichar</dc:creator></item><item><title>RE: Once Per Trial</title><link>https://forums.millisecond.com/Topic31075.aspx</link><description>&lt;blockquote data-id="31068" class="if-quote-wrapper" unselectable="on" data-guid="1615808631300" id="if_insertedNode_1615808630980" contenteditable="false"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="31068" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="31068" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="31068" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;brichar - 3/14/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-31068"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;&lt;blockquote data-id="30988" class="if-quote-wrapper" unselectable="on" data-guid="1615808631300" id="if_insertedNode_1615702167197" contenteditable="false"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="30988" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="30988" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="30988" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;Dave - 3/8/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-30988"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;&lt;blockquote data-id="30987" class="if-quote-wrapper" unselectable="on" data-guid="1615808631300" id="if_insertedNode_1615224768459" contenteditable="false"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="30987" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="30987" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="30987" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;brichar - 3/8/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-30987"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;Hi all,&lt;br/&gt;I've created an experiment that employs a study/test or old/new paradigm.&amp;nbsp;&lt;br/&gt;Participants will get the chance to study 10 faces, and then they will be shown the same 10 faces for a second chance to study them.&amp;nbsp;&lt;br/&gt;I've created the list "Seen" which will hold the study faces, my problem is calling on the list twice so that each face is ONLY shown once per trial (Learning_Trial1 and RepeatLearning_Trial1). So, any given image will be shown twice in the learning block but only once per trial.&amp;nbsp;&lt;br/&gt;&lt;br/&gt;Thanks in advance!&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;Code below:&lt;br/&gt;&amp;lt;item fixation&amp;gt;&lt;br/&gt;/1 = " + "&lt;br/&gt;&amp;lt;/item &amp;gt; &lt;br/&gt;&lt;br/&gt;&amp;lt;text fixation&amp;gt;&lt;br/&gt;/items = fixation&lt;br/&gt;/select = noreplace&lt;br/&gt;/position = (50, 50)&lt;br/&gt;/ fontstyle = ("Times New Roman", 3%, false, false, false, false, 5, 0)&lt;br/&gt;&amp;lt;/text&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;item PoolofItems&amp;gt;&lt;br/&gt;/1 = " image1.jpg "&lt;br/&gt;/2 = " image2.jpg "&lt;br/&gt;/3 = " image3.jpg "&lt;br/&gt;.....&lt;br/&gt;/40 = "image40.jpg"&lt;br/&gt;&amp;lt;/item&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list 40items&amp;gt;&lt;br/&gt;/ poolsize = 40&lt;br/&gt;/ selectionmode = random&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Seen&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Not_Seen&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Seen2&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Not_Seen2&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt; ----&lt;br/&gt; &lt;br/&gt; &amp;lt;block Learning&amp;gt;&lt;br/&gt;/trials = [1-5= sequence(Learning_Trial1); 6-10= sequence(RepeatLearning_Trial1)]&lt;br/&gt;&amp;lt;/block&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial Learning_Trial1&amp;gt;&lt;br/&gt;/ stimulusframes = [1=fixation; 20= Seen]&lt;br/&gt;/ validresponse = (noresponse)&lt;br/&gt;/ correctresponse = (noresponse)&lt;br/&gt;/ timeout = 3000&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial RepeatLearning_Trial1&amp;gt;&lt;br/&gt;/ stimulusframes = [1=fixation; 20= Seen]&lt;br/&gt;/ validresponse = (noresponse)&lt;br/&gt;/ correctresponse = (noresponse)&lt;br/&gt;/ timeout = 3000&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture Seen&amp;gt;&lt;br/&gt;/items = Pool_of_Faces&lt;br/&gt;/select = list.Seen&lt;br/&gt;/position = (50, 50) &lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;------- Testing Phase&lt;br/&gt;&lt;br/&gt;&amp;lt;block Testing&amp;gt;&lt;br/&gt;/trials = [ 1-5 = noreplace(SeenFace, NotSeenFace)]&lt;br/&gt;&amp;lt;/block&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial Seen&amp;gt;&lt;br/&gt;/ stimulustimes = [1 = fixation ;1000  = SeenImage ]&lt;br/&gt;/ validresponse = (",",".")&lt;br/&gt;/ correctresponse = (".")&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial NotSeen&amp;gt;&lt;br/&gt;/ stimulustimes = [1 = fixation;1000  = NotSeenImage ]&lt;br/&gt;/ validresponse = (",",".")&lt;br/&gt;/ correctresponse = (".")&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture SeenImage&amp;gt;&lt;br/&gt;/items = PoolofImages&lt;br/&gt;/ select = list.Seen.nextvalue&lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;/position = (50, 50)&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture NotSeenImage&amp;gt;&lt;br/&gt;/items = PoolofImages&lt;br/&gt;/ select = list.Not_Seen.nextvalue&lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;/position = (50, 50)&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;expt UnInformed&amp;gt;&lt;br/&gt;/ onexptbegin = [list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex);&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen.appenditem(list.40items.nextindex);&amp;nbsp;list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); &lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; list.Seen.appenditem(llist.40items.nextindex); &lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;/blocks = [1=Learning; 2=Testing]&lt;br/&gt;/ groupassignment = random&lt;br/&gt;&amp;lt;/expt&amp;gt;&lt;a class="if-quote-goto quote-link" href="#" data-id="30987"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;Sorry, I don't understand (1) what the question is, (2) what the problem is. Please provide a clearer explanation.&lt;a class="if-quote-goto quote-link" href="#" data-id="30988"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;Hi Dave, &lt;br/&gt;&lt;br/&gt;Sorry for the confusion, I hope that this reply is able to clear some of those things up for you. &lt;br/&gt;My experiment is supposed to have two consecutive learning phases that are exactly the same. I have tried to implement this by creating the "Seen" list and calling on it that for both the "Learning_Trial1" and the "RepeatLearning_Trial1" . &lt;br/&gt;&lt;br/&gt;Theoretically, in the Learning block I would like for frames 1-5 to be the same images as 6-10, showing each image only once per set of trials. However, as it stands, the experiment will either show multiple of the same images within the first set of trials (1-5) or a completely new set of images in the second set of trials (6-10).&amp;nbsp;&lt;br/&gt;&lt;br/&gt;Basically, I need a way to call upon the same list multiple times in the experiment. I think that its something within the selection that is making it so that I'm getting new set of images each time I call on the list. &lt;br/&gt;&lt;br/&gt;Let me know if this helps. &lt;br/&gt;&lt;a class="if-quote-goto quote-link" href="#" data-id="31068"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;You put 10 items in the seen list. So if you want the two learning phases to be the same, you either need to run 10 trials per learning phase, or you need to put only 5 items into list seen.</description><pubDate>Mon, 15 Mar 2021 11:44:49 GMT</pubDate><dc:creator>Dave</dc:creator></item><item><title>RE: Once Per Trial</title><link>https://forums.millisecond.com/Topic31068.aspx</link><description>&lt;blockquote data-id="30988" class="if-quote-wrapper" unselectable="on" data-guid="1615702167767" contenteditable="false" id="if_insertedNode_1615702167197"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="30988" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="30988" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="30988" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;Dave - 3/8/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-30988"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;&lt;blockquote data-id="30987" class="if-quote-wrapper" unselectable="on" data-guid="1615702167767" id="if_insertedNode_1615224768459" contenteditable="false"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="30987" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="30987" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="30987" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;brichar - 3/8/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-30987"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;Hi all,&lt;br/&gt;I've created an experiment that employs a study/test or old/new paradigm.&amp;nbsp;&lt;br/&gt;Participants will get the chance to study 10 faces, and then they will be shown the same 10 faces for a second chance to study them.&amp;nbsp;&lt;br/&gt;I've created the list "Seen" which will hold the study faces, my problem is calling on the list twice so that each face is ONLY shown once per trial (Learning_Trial1 and RepeatLearning_Trial1). So, any given image will be shown twice in the learning block but only once per trial.&amp;nbsp;&lt;br/&gt;&lt;br/&gt;Thanks in advance!&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;Code below:&lt;br/&gt;&amp;lt;item fixation&amp;gt;&lt;br/&gt;/1 = " + "&lt;br/&gt;&amp;lt;/item &amp;gt; &lt;br/&gt;&lt;br/&gt;&amp;lt;text fixation&amp;gt;&lt;br/&gt;/items = fixation&lt;br/&gt;/select = noreplace&lt;br/&gt;/position = (50, 50)&lt;br/&gt;/ fontstyle = ("Times New Roman", 3%, false, false, false, false, 5, 0)&lt;br/&gt;&amp;lt;/text&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;item PoolofItems&amp;gt;&lt;br/&gt;/1 = " image1.jpg "&lt;br/&gt;/2 = " image2.jpg "&lt;br/&gt;/3 = " image3.jpg "&lt;br/&gt;.....&lt;br/&gt;/40 = "image40.jpg"&lt;br/&gt;&amp;lt;/item&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list 40items&amp;gt;&lt;br/&gt;/ poolsize = 40&lt;br/&gt;/ selectionmode = random&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Seen&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Not_Seen&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Seen2&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Not_Seen2&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt; ----&lt;br/&gt; &lt;br/&gt; &amp;lt;block Learning&amp;gt;&lt;br/&gt;/trials = [1-5= sequence(Learning_Trial1); 6-10= sequence(RepeatLearning_Trial1)]&lt;br/&gt;&amp;lt;/block&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial Learning_Trial1&amp;gt;&lt;br/&gt;/ stimulusframes = [1=fixation; 20= Seen]&lt;br/&gt;/ validresponse = (noresponse)&lt;br/&gt;/ correctresponse = (noresponse)&lt;br/&gt;/ timeout = 3000&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial RepeatLearning_Trial1&amp;gt;&lt;br/&gt;/ stimulusframes = [1=fixation; 20= Seen]&lt;br/&gt;/ validresponse = (noresponse)&lt;br/&gt;/ correctresponse = (noresponse)&lt;br/&gt;/ timeout = 3000&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture Seen&amp;gt;&lt;br/&gt;/items = Pool_of_Faces&lt;br/&gt;/select = list.Seen&lt;br/&gt;/position = (50, 50) &lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;------- Testing Phase&lt;br/&gt;&lt;br/&gt;&amp;lt;block Testing&amp;gt;&lt;br/&gt;/trials = [ 1-5 = noreplace(SeenFace, NotSeenFace)]&lt;br/&gt;&amp;lt;/block&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial Seen&amp;gt;&lt;br/&gt;/ stimulustimes = [1 = fixation ;1000  = SeenImage ]&lt;br/&gt;/ validresponse = (",",".")&lt;br/&gt;/ correctresponse = (".")&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial NotSeen&amp;gt;&lt;br/&gt;/ stimulustimes = [1 = fixation;1000  = NotSeenImage ]&lt;br/&gt;/ validresponse = (",",".")&lt;br/&gt;/ correctresponse = (".")&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture SeenImage&amp;gt;&lt;br/&gt;/items = PoolofImages&lt;br/&gt;/ select = list.Seen.nextvalue&lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;/position = (50, 50)&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture NotSeenImage&amp;gt;&lt;br/&gt;/items = PoolofImages&lt;br/&gt;/ select = list.Not_Seen.nextvalue&lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;/position = (50, 50)&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;expt UnInformed&amp;gt;&lt;br/&gt;/ onexptbegin = [list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex);&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen.appenditem(list.40items.nextindex);&amp;nbsp;list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); &lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; list.Seen.appenditem(llist.40items.nextindex); &lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;/blocks = [1=Learning; 2=Testing]&lt;br/&gt;/ groupassignment = random&lt;br/&gt;&amp;lt;/expt&amp;gt;&lt;a class="if-quote-goto quote-link" href="#" data-id="30987"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;Sorry, I don't understand (1) what the question is, (2) what the problem is. Please provide a clearer explanation.&lt;a class="if-quote-goto quote-link" href="#" data-id="30988"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;Hi Dave, &lt;br/&gt;&lt;br/&gt;Sorry for the confusion, I hope that this reply is able to clear some of those things up for you. &lt;br/&gt;My experiment is supposed to have two consecutive learning phases that are exactly the same. I have tried to implement this by creating the "Seen" list and calling on it that for both the "Learning_Trial1" and the "RepeatLearning_Trial1" . &lt;br/&gt;&lt;br/&gt;Theoretically, in the Learning block I would like for frames 1-5 to be the same images as 6-10, showing each image only once per set of trials. However, as it stands, the experiment will either show multiple of the same images within the first set of trials (1-5) or a completely new set of images in the second set of trials (6-10).&amp;nbsp;&lt;br/&gt;&lt;br/&gt;Basically, I need a way to call upon the same list multiple times in the experiment. I think that its something within the selection that is making it so that I'm getting new set of images each time I call on the list. &lt;br/&gt;&lt;br/&gt;Let me know if this helps. &lt;br/&gt;</description><pubDate>Sun, 14 Mar 2021 06:42:16 GMT</pubDate><dc:creator>brichar</dc:creator></item><item><title>RE: Once Per Trial</title><link>https://forums.millisecond.com/Topic30988.aspx</link><description>&lt;blockquote data-id="30987" class="if-quote-wrapper" unselectable="on" data-guid="1615224768816" id="if_insertedNode_1615224768459" contenteditable="false"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="30987" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="30987" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="30987" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;brichar - 3/8/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-30987"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;Hi all,&lt;br/&gt;I've created an experiment that employs a study/test or old/new paradigm.&amp;nbsp;&lt;br/&gt;Participants will get the chance to study 10 faces, and then they will be shown the same 10 faces for a second chance to study them.&amp;nbsp;&lt;br/&gt;I've created the list "Seen" which will hold the study faces, my problem is calling on the list twice so that each face is ONLY shown once per trial (Learning_Trial1 and RepeatLearning_Trial1). So, any given image will be shown twice in the learning block but only once per trial.&amp;nbsp;&lt;br/&gt;&lt;br/&gt;Thanks in advance!&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;Code below:&lt;br/&gt;&amp;lt;item fixation&amp;gt;&lt;br/&gt;/1 = " + "&lt;br/&gt;&amp;lt;/item &amp;gt; &lt;br/&gt;&lt;br/&gt;&amp;lt;text fixation&amp;gt;&lt;br/&gt;/items = fixation&lt;br/&gt;/select = noreplace&lt;br/&gt;/position = (50, 50)&lt;br/&gt;/ fontstyle = ("Times New Roman", 3%, false, false, false, false, 5, 0)&lt;br/&gt;&amp;lt;/text&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;item PoolofItems&amp;gt;&lt;br/&gt;/1 = " image1.jpg "&lt;br/&gt;/2 = " image2.jpg "&lt;br/&gt;/3 = " image3.jpg "&lt;br/&gt;.....&lt;br/&gt;/40 = "image40.jpg"&lt;br/&gt;&amp;lt;/item&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list 40items&amp;gt;&lt;br/&gt;/ poolsize = 40&lt;br/&gt;/ selectionmode = random&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Seen&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Not_Seen&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Seen2&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;list Not_Seen2&amp;gt;&lt;br/&gt;/ selectionrate = always&lt;br/&gt;&amp;lt;/list&amp;gt;&lt;br/&gt; ----&lt;br/&gt; &lt;br/&gt; &amp;lt;block Learning&amp;gt;&lt;br/&gt;/trials = [1-5= sequence(Learning_Trial1); 6-10= sequence(RepeatLearning_Trial1)]&lt;br/&gt;&amp;lt;/block&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial Learning_Trial1&amp;gt;&lt;br/&gt;/ stimulusframes = [1=fixation; 20= Seen]&lt;br/&gt;/ validresponse = (noresponse)&lt;br/&gt;/ correctresponse = (noresponse)&lt;br/&gt;/ timeout = 3000&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial RepeatLearning_Trial1&amp;gt;&lt;br/&gt;/ stimulusframes = [1=fixation; 20= Seen]&lt;br/&gt;/ validresponse = (noresponse)&lt;br/&gt;/ correctresponse = (noresponse)&lt;br/&gt;/ timeout = 3000&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture Seen&amp;gt;&lt;br/&gt;/items = Pool_of_Faces&lt;br/&gt;/select = list.Seen&lt;br/&gt;/position = (50, 50) &lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;------- Testing Phase&lt;br/&gt;&lt;br/&gt;&amp;lt;block Testing&amp;gt;&lt;br/&gt;/trials = [ 1-5 = noreplace(SeenFace, NotSeenFace)]&lt;br/&gt;&amp;lt;/block&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial Seen&amp;gt;&lt;br/&gt;/ stimulustimes = [1 = fixation ;1000  = SeenImage ]&lt;br/&gt;/ validresponse = (",",".")&lt;br/&gt;/ correctresponse = (".")&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;trial NotSeen&amp;gt;&lt;br/&gt;/ stimulustimes = [1 = fixation;1000  = NotSeenImage ]&lt;br/&gt;/ validresponse = (",",".")&lt;br/&gt;/ correctresponse = (".")&lt;br/&gt;&amp;lt;/trial&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture SeenImage&amp;gt;&lt;br/&gt;/items = PoolofImages&lt;br/&gt;/ select = list.Seen.nextvalue&lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;/position = (50, 50)&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;picture NotSeenImage&amp;gt;&lt;br/&gt;/items = PoolofImages&lt;br/&gt;/ select = list.Not_Seen.nextvalue&lt;br/&gt;/size = ( 50%, 50% )&lt;br/&gt;/position = (50, 50)&lt;br/&gt;&amp;lt;/picture&amp;gt;&lt;br/&gt;&lt;br/&gt;&amp;lt;expt UnInformed&amp;gt;&lt;br/&gt;/ onexptbegin = [list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex);&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen.appenditem(list.40items.nextindex);&amp;nbsp;list.Seen.appenditem(list.40items.nextindex); list.Seen.appenditem(list.40items.nextindex); &lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; list.Seen.appenditem(llist.40items.nextindex); &lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(40items.nextindex); list.Seen1.appenditem(list.40items.nextindex); list.Seen1.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex); list.Not_Seen.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&amp;nbsp;&lt;br/&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex); list.Not_Seen1.appenditem(list.40items.nextindex);&lt;br/&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;br/&gt;/blocks = [1=Learning; 2=Testing]&lt;br/&gt;/ groupassignment = random&lt;br/&gt;&amp;lt;/expt&amp;gt;&lt;a class="if-quote-goto quote-link" href="#" data-id="30987"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;Sorry, I don't understand (1) what the question is, (2) what the problem is. Please provide a clearer explanation.</description><pubDate>Mon, 08 Mar 2021 17:34:10 GMT</pubDate><dc:creator>Dave</dc:creator></item></channel></rss>