THE READABILITY OF ENGLISH TEXTBOOK OFTHE ELEVENTH GRADE STUDENTS OF SMASWASTA AL-AZHAR MEDAN

This study was carried out to find out the readability level of Talk Active 2 for Senior High School (Compulsory Program) textbook by using the Dale-Chall readability formula and cloze test at the plus class of the eleventh grade students of SMA Swasta Al-Azhar Medan. The population of this study was 21 reading texts and 5 plus classes, but the researcher only took 5 reading texts and class XI-D plus consisting of 20 students as the sample using random sampling technique. The method used in this study was using quantitative research design. The procedures were conducted by counting the text by using Dale-Chall readability formula and distributing the cloze test to the students, collecting data, correcting data, calculating data, analyzing data, interpreting data and the last was concluding the result of the study. The analysis found that by using the Dale-Chall readability formula (1) 2 texts have an appropriate level with the corrected level score in Dale-Chall formula (11th-12th grade): Text 3 (8.76) and Text 4 (8.00); (2) 2 texts have 9th-10th grade level score: Text 2 (7.57) and Text 5 (7.97); (3) 1 text that has 5th-6th grade level score: Text 1 (5.55). The result for cloze test, all the texts are in the Unassisted Reading Level: Text 1 (74.34%), Text 2 (90.88%), Text 3 (91.89%), Text 4 (87.59%) and Text 5 (85.66%). Based on the Dale-Chall readability formula, the researcher gets the average score of five reading texts is 7.57 (9th-10th grade) and cloze test result 86.072% (Unassisted Reading Level). Based on it, it can be concluded that reading texts of Talk Active 2 for Senior High School (Compulsory Program) that is used by the plus class of the eleventh grade of SMA Swasta Al-Azhar Medan are readable. It is expected that the finding of this research is useful for everyone who wants to study about readability level of textbook.