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CHAPTER V CONCLUSIONS AND SUGGESTIONS
This chapter provides conclusions and suggestions of this research. The suggestions are given to English teachers, the writers of English textbooks and the
future researchers. It is hoped that the conclusions and suggestions can be beneficial for all the readers.
A. Conclusions
This research was content analysis research which analysed the content of Interlanguage: English for Senior High School Students XI Science and Social
Study Programme. This research was aimed to evaluate the content of the textbook based on the Cunningsworth’s textbook evaluation checklist 1995.
Conclusions were made based on the result of the analysis and presented in the following elaboration.
Broadly speaking, this textbook did not fulfil the criteria of good textbook. The quality of this textbook was categorized as fair fulfilment since the result of
this research showed that the percentage of overall evaluation of the textbook was 63.92. Specifically, the percentage of the fulfilment in aims and approaches
aspect was 66.67. In design and organization aspect the percentage of criteria fulfilment was 57.14. In language content aspect, this textbook fulfilled all the
criteria, and therefore achieved 100 percentage of criteria fulfilment. The percentage of skill aspect was 61.11. The percentage of criteria fulfilment for
the topic aspect was 71.43.
121 The textbook achieved 80 for criteria fulfilment in methodology aspect.
Meanwhile, the percentage of criteria fulfilment for teachers’ books aspect was 0. The percentage of criteria fulfilment for practical consideration aspect was
75. The result of the analysis showed that the highest percentage of the criteria fulfilment was achieved in language content aspect, while the lowest percentage
of the criteria fulfilment was achieved in teachers’ book aspect. Thus, one of the strengths of this textbook was the availability of the
language content items such as main grammar items, vocabulary materials, pronunciation materials, discourse competence, style and appropriacy that are
provided through the materials on the textbook. The content of the textbook is also organized into some parts that can help the readers to find the materials that
they want quickly. Besides, the materials on the textbook can facilitate individual study since this textbook is completed with key answer, listening script, phonetic
transcription, mini dictionary and index. Materials that can be used to increase students’ communicative ability also can be found on this textbook.
Other strength of this textbook was that this textbook covers integrated materials for teaching listening, speaking, reading and writing. There are
examples of dialogues and differentiation of expressions to be used in formal and informal situation, therefore the students can learn how to use different style in
communicating both in formal and informal conversation. This textbook also provides sufficient reading passages which are completed with reading activities.
Even if the sequence of the writing materials is not really good, basically various