c. The Appropriateness of the Language
The third aspect concerns with the language appropriateness. This covers the language of materials instructions, texts, questions and explanations. The
following table will discuss about the result of language appropriateness in unit 1.
Table 4.21 The Appropriateness of the Language
No Items
Score
22 The language used are
relevant to students’ cognitive development 3
23 The language of instruction can be easily understood by the
students 3
24 The materials are developed in a grammatical English
3 25
The spelling of the language of instruction are in accordance with spelling principle
4 26
The choice of words of the materials are in accordance with words choice principle
4 27
The developed materials in a unit are linked to materials in the next unit
4
Mean 3.5
In term of language appropriateness, the developed materials need some revisions, especially the instructions of some tasks. Most of the mistakes are
grammar errors and misspelling. There are also two tasks which need to be separated since the instructions can make the students confused. The mean of the
third aspect is 3.5 which is considered as Very Good since the value is within the range of 3.50
≤x≤4.
d The Appropriateness of the Layout
The fourth aspect to evaluate was the appropriateness of the layout. Things to evaluate related to the appropriateness of layout includes the fonts used in the
materials, the pictures, and the colours. The table 4.25 will illustrate the result of evaluation related the layout appropriateness in unit 1.
Table 4.22 The Appropriateness of the Layout Unit 1
No Items
Score
28 The fonts used are not too various
3 29
The fonts used are not too bigtoo small 3
30 The colours of the materials are not disturbing the
readers 3
31 The pictures are provided for aesthetic and functional
purposes 3
Mean 3
The layout appropriateness in unit 1 is considered as Good with the mean of 3. There are several points that need to be revised such as the colours balance in the
whole unit, the placement of the picture, the placement of link sources, the clarity of printing, and so on.
2. The Review of Unit 1
In general, unit 1 of the developed materials is categorized as Goodsince the mean of the four aspects is within the interval 3.00
≤x≤3.49. This result is taken from the mean value of 3.41. However, there are still several aspects to revise,
mostly about the grammar and the layout. The expert pointed the lack of grammar in instructions and explanations
related to plural and singular form. There are also many mistakes in using articles „aan’ and „the’ also the prepositions „in’ and „on’.Two tasks need to revise in
which the tasks should be separated to make them easy to understand by readers. Also, in terms of layout, the placements of some pictures are not appropriate
and the colours of the whole unit should not be too various and should be balance to
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