questionnaire. The items of the questionnaire are adapted from the standard of materials proposed by
BNSP.
According to BNSP, there are four aspects to determine the appropriateness of materials: content, presentation, language and
layout. Therefore, the questionnaire aims to measure how far the materials have accomplished those standards.
The expert judgment of the materials involves two materials experts. The results of the expert judgment questionnaire are analyzed using descriptive
statistic. In this study, the central tendency applied is the mean, while in classifying the category; the mean was converted into frequencies of agreement.
The summary of the result are presented as follows.
a. The Results of Expert Judgment of Unit 1
The tables below present the descriptive statistic of the material judgment related to the appropriateness of Unit 1.
Table 26: The Appropriateness of the Content of Unit 1
continued
No. Evaluated
Aspect Items
Means Category
1.
Content The developed materials are appropriate
to the learning goals. 4
Very good
2. The developed materials text, table,
picture, etc are taken from recent source of science issue.
3.50 Good
3. The developed materials text, table,
picture, etc are relevant to the topics being discussed.
3.50 Good
continued
Table 26 shows that the contents of the materials of Unit 1 are considered good. It could be seen from the mean of the general judgment which is gained from
seven questions related to the content of the materials. Therefore, the content of the developed materials is categorized as good.
Table 27: The Appropriateness of the Presentation of Unit 1
continued 4.
The developed
materials contain
language functions
which are
in accordance with
students’ need. 3.50
Good 5.
6. The
developed materials
contain knowledge of science.
3.50 Good
7. The developed materials are appropriate
with the students’ level of English proficiency.
3.50 Good
8. The developed materials lead the
students to understand the linguistic features of the discussed text.
3 Poor
The general judgment of the content 3.50
Good
No. Evaluated
Aspect Items
Means Category
1.
Presentation The
developed materials
provided opening, main activities, evaluation,
reflection and summary consistently in each units.
3.50 Good
2. The developed tasks are well organized,
systemically graded, grading from the easiest task up to the most difficult task.
3.50 Good
3. There is good balance among task in a
unit with the tasks in the next unit. 3.50
Good
continued
Table 27 shows that the presentation of the materials is good. It could be inferred from the mean resulted from the general judgment. The mean shows 3.50,
so the presentation of Unit 1 is categorized as good. Table 28: The Appropriateness of the Language of Unit 1
continued 4.
The developed tasks encourage students to
perform oral
communication effectively.
3.50 Good
5. The developed tasks encourage students
to be creative. 3.50
Good 6.
The developed tasks encourage students to work independently and in groups.
3.50 Good
7. The developed materials consist of
evaluation for students to measure their understanding
of the
developed materials.
3.50 Good
8. The
developed materials
provide vocabulary appropriate with the topic
being discussed. 3.50
Good
9. The developed materials contains science
terminology related to topic discuss in each unit.
3.50 Good
The general judgment of the presentation 3.50
Good
No. Evaluated
Aspect Items
Means Category
1. Language
The language used is relevant to students’ cognitive development.
4 Very
good 2.
The language of instruction can be easily understood by the students.
3.50 Good
3. The materials are developed in a
grammatical English. 3.50
Good
