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   <td style="text-align:left;"> introduction-9 </td>
   <td style="text-align:left;"> question </td>
   <td style="text-align:left;"> An example of a binary, manipulable variable is officer_warning_given, which indicates whether an officer gave a verbal warning before deciding to arrest; this can be influenced through policy or training to potentially reduce unnecessary arrests. </td>
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   <td style="text-align:left;"> introduction-10 </td>
   <td style="text-align:left;"> question <