(function () {

      angular
             .module("turtleFacts")
             .factory("quizMetrics", QuizMetrics);

      function QuizMetrics() {

             var quizObj = {
                 quizActive: false,
                 changeState: changeState
             };

             return quizObj;

             function changeState(state) {
                 quizObj.quizActive = state;
             }
      }

}) ();