diff --git a/caliGraph.py b/caliGraph.py
index 74f4276..4174faf 100755
--- a/caliGraph.py
+++ b/caliGraph.py
@@ -275,8 +275,9 @@ def scoreOpinions(G, globMu, globStd, errorFac=0.7):
                 node['se'] = globStd / math.sqrt(len(feedbacks))
                 ratio = len(feedbacks) / len(adjacens)
                 node['score'] = node['mean'] - errorFac * \
-                    node['se']*(6/7 + (1-ratio)/7) + 0.001 * \
-                    (node['t'] == 'recommender')
+                    node['se']*(6/7 + (1-ratio)/7) + 0.01 * \
+                    (node['t'] == 'recommender') \
+                    - 0.5 / len(feedbacks)**2
                 node['feedbacks'] = feedbacks
             else:
                 node['score'] = None