4. The Expert Judgment
After the first draft was developed, the materials were assessed by an expert. The expert of the developed materials was Ella Wulandari, M.A. She
is a permanent lecturer of English Education Study in Yogyakarta State University who has nine year experiences in teaching.
a. The Results of Expert Judgment and Revision of Unit 1
1 The Results of Expert Judgment a The Appropriateness of the Contents
The first aspect to evaluate was the appropriateness of the contents. Table 19 shows the analysis of the appropriateness of contents of Unit 1.
Table 19: The Appropriateness of the Content of Unit 1
No Item Score
1. The developed materials are in accordance with Core competences and Basic competences of
junior high school Grade VIII second Semester: 1.1, 2.1, 3.10, and 4.12
4 2. The developed materials cover some texts
which are relevant to the leaners’ daily life 4
3. The developed materials lead students to comprehend the social function of descriptive
texts 4
4. The developed materials lead students to comprehend text structure of descriptive texts
4 5. The developed materials lead students to
comprehend the
language features
of descriptive texts
4 6. The developed materials lead students to make
a written text of the descriptive text which considers the text structure and language
features 4
7. The developed materials lead students to write descriptive text within daily life context
3 8. The developed materials contain pictures, table,
text which are taken from relevant sources 3
From Table 19, it can be seen that the mean x̅ value of the
appropriateness of the content of Unit 1 is 3.75. The aspect was categorized as “Very Good”, because its position was in the interval 3.25 ≤ x̅ ≤ 4.
b The Appropriateness of Language The expert judgment data of the appropriateness of language of Unit 1 is
presented in Table 20.
Table 20 : The Appropriateness of Language of Unit 1
No Item Score
9. The materials are developed in grammatical English
3 10. The materials use correct spelling
3 11. The materials use correct word choices
3 12. The explanation uses languages in
accordance with cognitive development of students
3 13. The instruction uses languages in accordance
with cognitive development of students 3
14. The languages are clear and easy to be understood by students
3 15. The unitsactivitiesparagraphssentences
reflect in good arrangement 3
16. The unitsactivitiesparagraphssentences reflect in good engagement
4
From Table 20, it can be seen that the mean x̅ value of the
appropriateness of the language of Unit 1 is 3.13. The aspect was categorized as “Good”, because its position was in the interval 2.49 ≤ x̅ ≤ 3.24.
c The Appropriateness of Presentation The expert judgment data of the appropriateness of presentation of Unit 1
is presented in Table 21.
Table 21 : The Appropriateness of Presentation of Unit 1
No Item Score
17. The developed materials are presented systematically
4 18. The developed materials present the texts,
activities, and pictures equally 4
19. The developed materials encourage students’
initiative and creativity in written language 3
20. The developed materials encourage interaction between students, between students and
teachers, and between students and environment
3 21. The developed materials encourage students
to do reflection and evaluation in learning activities and encourage communicating in
English 4
22. The tasks encourage students to communicate in written language
4 23. The tasks are started by guided activities to
free activities 3
24. The tasks are arranged in scientific approach 3
25. The tasks and pictures have identity such as title, number, or reference
3 From Table 20, it can be seen that the mean
x̅ value of the appropriateness of the presentation of Unit 1 is 3.44. The aspect was
categorized as “Very Good”, because its position was in the interval 3.25 ≤ x̅ ≤ 4.
Kategori