Index: lams_tool_scratchie/src/java/org/lamsfoundation/lams/tool/scratchie/web/action/LearningAction.java
===================================================================
diff -u -re2f4b14e2d8f0ef1feef10abdc21f3d446fca2a5 -r357137c5d97f2317d166b2c8803d057c619bd3e1
--- lams_tool_scratchie/src/java/org/lamsfoundation/lams/tool/scratchie/web/action/LearningAction.java	(.../LearningAction.java)	(revision e2f4b14e2d8f0ef1feef10abdc21f3d446fca2a5)
+++ lams_tool_scratchie/src/java/org/lamsfoundation/lams/tool/scratchie/web/action/LearningAction.java	(.../LearningAction.java)	(revision 357137c5d97f2317d166b2c8803d057c619bd3e1)
@@ -31,6 +31,7 @@
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Random;
 import java.util.Set;
 import java.util.TimeZone;
 
@@ -254,7 +255,9 @@
 	if (scratchie.isShuffleItems()) {
 	    //items is a Set at this moment
 	    ArrayList<ScratchieItem> shuffledItems = new ArrayList<ScratchieItem>(items);
-	    Collections.shuffle(shuffledItems);
+	    //use random with a seed so people from the same group get the "same shuffle"
+	    Random randomGenerator = new Random(toolSessionId);
+	    Collections.shuffle(shuffledItems, randomGenerator);
 	    items = shuffledItems;
 	}