Results from anchor algorithm are now used for the delay calculation.

umbra/statistics.py

@@ -85,11 +85,8 @@ class Statistics:
         # Now the results are from the Anchor algorithm analysis.
         trial.results = self._mistake_counter.calculate_accuracy(source_em,
                                                                  shadow_em)
-
-        #IMPORTANT: This will not work on source_em because the matching is
-        # the other way around.
         delays_per_word = []
-        for source_word in source:
+        for source_word in source_em:
             if source_word.has_shadow():
                 delays_per_word.append([trial.participant, trial.condition,
                                        trial.video, source_word.word,