diff --git a/app/logical/reports/janitor_trials.rb b/app/logical/reports/janitor_trials.rb
index 0c261fe2c..0c262d74e 100644
--- a/app/logical/reports/janitor_trials.rb
+++ b/app/logical/reports/janitor_trials.rb
@@ -11,6 +11,10 @@ module Reports
         JanitorTrial.where(user_id: user.id).first
       end
 
+      def created_at
+        trial.created_at
+      end
+
       def since
         3.months.ago
       end
diff --git a/app/logical/reports/user_promotions.rb b/app/logical/reports/user_promotions.rb
index 756f2b950..4f0d66aeb 100644
--- a/app/logical/reports/user_promotions.rb
+++ b/app/logical/reports/user_promotions.rb
@@ -18,6 +18,10 @@ module Reports
         Reports::UserPromotions.deletion_confidence_interval_for(user)
       end
 
+      def negative_score_confidence_interval
+        Reports::UserPromotions.negative_score_confidence_interval_for(user)
+      end
+
       def median_score
         ActiveRecord::Base.select_value_sql("select percentile_cont(0.50) within group (order by score) from posts where created_at >= ? and uploader_id = ?", ::Reports::UserPromotions.min_time, user.id).to_i
       end
@@ -40,6 +44,13 @@ module Reports
       ci_lower_bound(deletions, total)
     end
 
+    def self.negative_score_confidence_interval_for(user, days = nil)
+      date = (days || 30).days.ago
+      hits = Post.where("created_at >= ? and score < 0", date).where(:uploader_id => user.id).count
+      total = Post.where("created_at >= ?", date).where(:uploader_id => user.id).count
+      ci_lower_bound(hits, total)
+    end
+
     def self.ci_lower_bound(pos, n, confidence = 0.95)
       if n == 0
         return 0
diff --git a/app/views/janitor_trials/index.html.erb b/app/views/janitor_trials/index.html.erb
index aab9b0b3a..e37158688 100644
--- a/app/views/janitor_trials/index.html.erb
+++ b/app/views/janitor_trials/index.html.erb
@@ -6,7 +6,7 @@
       <thead>
         <tr>
           <th>User</th>
-          <th>Duration</th>
+          <th>Date</th>
           <td></td>
         </tr>
       </thead>
diff --git a/app/views/reports/contributors.html.erb b/app/views/reports/contributors.html.erb
index ca95cb838..104e12ece 100644
--- a/app/views/reports/contributors.html.erb
+++ b/app/views/reports/contributors.html.erb
@@ -10,7 +10,8 @@
           <th data-sort="string">User</th>
           <th data-sort="int">Level</th>
           <th data-sort="int">Uploads</th>
-          <th data-sort="int">deletion</th>
+          <th data-sort="int">Del Chance</th>
+          <th data-sort="int">Neg Score Chance</th>
         </tr>
       </thead>
       <tbody>
@@ -19,8 +20,9 @@
             <tr>
               <td><%= link_to_user user.user %></td>
               <td data-sort-value="<%= user.level %>"><%= user.level_string %></td>
-              <td><%= link_to user.post_upload_count, posts_path(:tags => "uploader:#{user.name} order:random", :limit => 200) %></td>
-              <td><%= link_to number_to_percentage(user.deletion_confidence_interval, :precision => 0), posts_path(:tags => "uploader:#{user.name} status:deleted", :limit => 200) %></td>
+              <td><%= link_to user.post_upload_count, posts_path(:tags => "user:#{user.name} order:random", :limit => 200) %></td>
+              <td><%= link_to number_to_percentage(user.deletion_confidence_interval, :precision => 0), posts_path(:tags => "user:#{user.name} status:deleted", :limit => 200) %></td>
+              <td><%= link_to number_to_percentage(user.negative_score_confidence_interval, :precision => 0), posts_path(:tags => "user:#{user.name} score:<0", :limit => 200) %></td>
             </tr>
           <% end %>
         <% end %>
diff --git a/app/views/reports/user_promotions.html.erb b/app/views/reports/user_promotions.html.erb
index 657db7ed2..dcf152656 100644
--- a/app/views/reports/user_promotions.html.erb
+++ b/app/views/reports/user_promotions.html.erb
@@ -11,11 +11,9 @@
           <th data-sort="int">Level</th>
           <th data-sort="int">Uploads</th>
           <th data-sort="string">Age</th>
-          <th data-sort="int">score:3+</th>
-          <th data-sort="int" title="25% of uploads received this score or less">quartile score</th>
-          <th data-sort="int" title="50% of uploads received this score or less">median score</th>
-          <th data-sort="int">deletion</th>
-          <th data-sort="int">limit</th>
+          <th data-sort="int">Del Chance</th>
+          <th data-sort="int">Neg Score Chance</th>
+          <th data-sort="int">Limit</th>
         </tr>
       </thead>
       <tbody>
@@ -24,12 +22,10 @@
             <tr>
               <td><%= link_to_user user.user %></td>
               <td data-sort-value="<%= user.level %>"><%= user.level_string %></td>
-              <td><%= link_to user.post_upload_count, posts_path(:tags => "uploader:#{user.name} order:random", :limit => 200) %></td>
+              <td><%= link_to user.post_upload_count, posts_path(:tags => "user:#{user.name} order:random", :limit => 200) %></td>
               <td data-sort-value="<%= user.created_at.to_formatted_s(:db) %>"><%= time_ago_in_words user.created_at %></td>
-              <td><%= number_to_percentage user.confidence_interval_for(3), :precision => 0 %></td>
-              <td><%= user.quartile_score %></td>
-              <td><%= user.median_score %></td>
-              <td><%= link_to number_to_percentage(user.deletion_confidence_interval, :precision => 0), posts_path(:tags => "uploader:#{user.name} status:deleted", :limit => 200) %></td>
+              <td><%= link_to number_to_percentage(user.deletion_confidence_interval, :precision => 0), posts_path(:tags => "user:#{user.name} status:deleted", :limit => 200) %></td>
+              <td><%= link_to number_to_percentage(user.negative_score_confidence_interval, :precision => 0), posts_path(:tags => "user:#{user.name} score:<0", :limit => 200) %></td>
               <td><%= user.upload_limit %></td>
             </tr>
           <% end %>