d.  They have little regard for deadlines.  Dislikes making decisions unless they are completely sure they are right.  50% of the population.';
            break;
          default:
            d.category = 'personality';
            break;
        }
      }
    }
    model.nodeDataArray = nodeDataArray;
  }

  // The key strings implicitly hold the relationship information, based on their spellings.
  // Other than the root node ("Start"), each node's key string minus its last letter is the
  // key to the