THE EFFECTIVENESS OF USING CROSSWORD PUZZLE GAME TO INCREASE VOCABULARY OF GRADE EIGHT STUDENTS AT SMPN 1 AMPIBABO

ABSTRACT
Fajar Rizqi AM (A 121 17 027). This Skripsi entitled The Effectiveness of Using
Crossword Puzzle Game to Increase Vocabulary of Grade Eight Students at
SMPN 1 Ampibabo, A Skripsi, English Education Study Program, Language and
Art Education Department, Teacher Training and Education Faculty, Tadulako
University, under supervision of Sriati Usman.
The objective of this research is to find out whether Crossword Puzzle Game is
effective to increase vocabulary of the eighth grade students at SMPN 1 Ampibabo
or not. This research applied a quasi experimental research design, involves two
groups, they were experimental and control groups. The sample was selected by
cluster random sampling technique, and it was 20 students of class VIII A as the
experimental class and 20 students of class VIII B as the control class. The
instrument used for collecting data was test. The test included pre-test and post-test,
with the mean score 51.00 for experimental class, and 57.80 for control class on
pre-test. While on post-test, 72.60 for experimental class, and 64.00 for control
class. The data results from the test were analyzed statistically by applying t-test
formula. The results of the analysis showed that the value of t-counted (3.1) is
higher than t-table (2.025). It means that the research hypothesis was accepted. In
other words, applying Crossword Puzzle Game is effective to increase vocabulary
of the eighth grade students at SMPN 1 Ampibabo. The implication of this finding
to the teaching of vocabulary is that the selection of the right learning method can
affect the achievement of students and teachers are expected to foster learning
motivation in students in various ways according to the ability of the teacher and
attractive to students.
Key Words: Effectiveness; Increase; Vocabulary; Crossword Puzzle Game