Index: trunk/quest-core-usability/src/main/java/de/ugoe/cs/quest/usability/UsabilityEvaluationManager.java
===================================================================
--- trunk/quest-core-usability/src/main/java/de/ugoe/cs/quest/usability/UsabilityEvaluationManager.java	(revision 699)
+++ trunk/quest-core-usability/src/main/java/de/ugoe/cs/quest/usability/UsabilityEvaluationManager.java	(revision 725)
@@ -3,7 +3,8 @@
 import java.util.ArrayList;
 import java.util.List;
-import java.util.logging.Logger;
+import java.util.logging.Level;
 
 import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTree;
+import de.ugoe.cs.util.console.Console;
 
 /**
@@ -15,7 +16,4 @@
 public class UsabilityEvaluationManager {
     
-    /** */
-    private static Logger LOG = Logger.getLogger(UsabilityEvaluationManager.class.getName());
-
     /** */
     private List<UsabilityEvaluationRule> rules = new ArrayList<UsabilityEvaluationRule>();
@@ -44,19 +42,20 @@
      */
     public UsabilityEvaluationResult evaluateUsability(ITaskTree taskTree) {
-        LOG.info("evaluating usability of task tree " + taskTree);
+        Console.traceln(Level.INFO, "evaluating usability of task tree " + taskTree);
 
         List<UsabilityEvaluationResult> results = new ArrayList<UsabilityEvaluationResult>();
 
         for (UsabilityEvaluationRule rule : rules) {
-            LOG.info("applying rule " + rule.getClass().getSimpleName());
+            Console.traceln(Level.INFO, "applying rule " + rule.getClass().getSimpleName());
             UsabilityEvaluationResult result = rule.evaluate(taskTree);
             results.add(result);
-            LOG.info("the rule found " + result.getAllDefects().size() + " usability defects, of " +
-                     "which " + result.getSevereDefects().size() + " are severe.");
+            Console.traceln(Level.INFO, "the rule found " + result.getAllDefects().size() +
+                            " usability defects, of which " + result.getSevereDefects().size() +
+                            " are severe.");
         }
 
         UsabilityEvaluationResult result = mergeResults(results);
-        LOG.info("the evaluation result contains " + result.getAllDefects().size() +
-                 " defects, of which " + result.getSevereDefects().size() + " are severe.");
+        Console.println("the evaluation result contains " + result.getAllDefects().size() +
+                        " defects, of which " + result.getSevereDefects().size() + " are severe.");
         return result;
     }