C E A C A C

34 1. In orientation test, the total score of the students was 2200 and the number of the students was 34, the mean is �� = 1940 34 x 100 = 57.06 2. In the cycle I test, the total score of the students was 2505 and the number of the students was 34, the mean is �� = 2405 34 x 100 = 70.74 3. In the cycle II test, the total score of the students was 2810 and the number of the students was 34, the mean is �� = 2835 34 x 100 = 82.65 And to find out the percentage of the students’ achievement, the writer established the result in a table that referring to reference standard assessment in criterion of success, as follow: Table 4.2 The Result of the Data in Orientation Test Score interval Frequency Percentage The Quality Category 85-100 - - A Very High 70-84 5 Students 14.70 B High 60-69 10 Students

29.42 C

Average 50-59 17 Students 50 D Low 0-49 2 Students

5.88 E

Very Low 34 Students 100 Table 4.3 The Result of the Data in Cycle I Test Universitas Sumatera Utara 35 Score interval Frequency Percentage The Quality Category 85-100 2 Students

5.88 A

Very High 70-84 21 Students 61.76 B High 60-69 10 Students

29.41 C

Average 50-59 1 Students 2.94 D Low 0-49 - - E Very Low 34 Students 100 Table 4.4 The Result of the Data in Cycle II Test Score interval Frequency Percentage The Quality Category 85-100 15 Students

44.11 A

Very High 70-84 17 Students 50 B High 60-69 2 Students

5.88 C

Average 50-59 - - D Low 0-49 - - E Very Low 34 Students 100 The analyze the students who get the point above 70, the improvement of the scores was calculated using the formula, as follow: P = � � x 100 Universitas Sumatera Utara 36 Where : P = Percentage of students R = The number of the students T = The total number of students The percentage of the improvement student’s vocabulary that get score above 70 through guessing game could be seen as follows: 1. In orientation test, P = 5 34 x 100 = 14.71 2. In cycle-I test, P = 23 34 x 100 = 67.65 3. In cycle-II test, P = 32 34 x 100 = 94.12 Table 4.5 The Percentage of the Student’s Vocabulary Test No. Session Percentage Number of students who get point above 70 1. Orientation Test 14.71 5 2. Cycle-I Test 67.65 23 3. Cycle-II Test 94.12 32 Universitas Sumatera Utara 37 The result showed that the percentage scores of students had an improvement. From the orientation-test to the cycle I-test, and cycle I-test to cycle II-test. There were an achievement significantly of student’s percentage. In the orientation or first test, the students got 14.71 where there were 5 students who got point above 70. In cycle I, there were 67.65 percentage of students where there were 23 students who got point above 70. And in the last test or cycle II test, there were 94.12 percentage of students where there were 32 students who got point above 70. So, from the achievement scores of students above, It was be concluded that there were an improvement of student in learning vocabulary. So that, the use of a guessing game is to improve student’s vocabulary could be said worked well.

4.2 Research Findings