public static ArrayList<Quiz> getPopularQuiz() {
		ArrayList<QuizCreatedRecord> records = QuizCreatedRecord.getRecentQuizCreatedRecord();
		ArrayList<Quiz> quizList = new ArrayList<Quiz>();
		for (int i = 0; i < records.size(); i++) {
			quizList.add(records.get(i).quiz);
		}
		Collections.sort(quizList, new QuizSortByRating());
		return quizList;		
	}