# File lib/camping-abingo.rb, line 912
          def self.score_participation(test_name)
                viewed_alternative = Abingo.find_alternative_for_user(test_name,
                  ABingoCampingPlugin::Models::Experiment.alternatives_for_test(test_name))
                ABingoCampingPlugin.logger.debug "Alternative>score_participation #{test_name} > #{viewed_alternative}"
                self.update_all("participants = participants + 1", :lookup => self.calculate_lookup(test_name, viewed_alternative))
          end