anchor.diff:              <input id={criterion.graders[i].criterion_association}
                 type='checkbox'
                 checked={this.props.selected_graders_in_criteria.indexOf(criterion.graders[i].criterion_association) !== -1}
  -              onChange={this.criteriaCheckboxClicked} />{criterion.graders[i].user_name}</div>);
  +              onChange={this.graderInCriteriaCheckboxClicked} />{criterion.graders[i].user_name}</div>);
           }
           c['graders'] = graders;
           c['coverage'] = <span dangerouslySetInnerHTML={{__html: criterion.coverage}} />;
  
positive.code:         new_selected_graders_in_groups.splice(new_selected_graders_in_groups.indexOf(group_grader_id), 1);
        }
        this.props.onSelectedGradersInGroupsChange(new_selected_graders_in_groups);
      },
      render: function() {
        var group_columns = [
  
negative.code:             <input id={group.graders[i].membership_id}
                type='checkbox'
                checked={this.props.selected_graders_in_groups.indexOf(group.graders[i].membership_id) !== -1 ? true : false}
                onChange={this.graderInGroupCheckboxClicked} />{group.graders[i].user_name}</div>);
          }
          
          g['graders'] = graders;
  