Abstract: Sahabat IPA pocketbook is designed carefully to enable students to bring and learn the materials anytime and anywhere due to its practicality. The pocketbook is interesting not only its design but also the contents presented.  Besides, sahabat IPA pocketbook contains selected topics that are related to two fields of study  physics and biology. The theme presented in sahabat IPA pocketbook focuses on a specific theme; the auditory process which is related to the chapter of sense of hearing and sonar system. The theme is integrated with two fields of study including physics and biology covering vibration, wave, sound, and sense of hearing. The  purposes of  this  research  are: to produce a valid pocketbook, to describe the effectiveness of the pocketbook, to describe student’s response towards the use of sahabat IPA pocketbook. The development design implemented in this research was 4-D development model. The researcher employed several techniques to collect data including interview, observation, test, and questionnaire. The results of the research show that the pocketbook is highly valid with 81% of expert validity and 88% of user validity. The results of the data analysis also show that sahabat IPA pocketbook is highly effective with the score of 82,58% achieved. Regarding the third purpose of the research, the students responded the pocketbook positively for every aspect presented on the questionnaire. In short, sahabat IPA pocketbook is a good and appropriate alternative to be used as a learning material to support fun learning.
Keyword: Sahabat IPApocketbook, logic validity, user validity,effectiveness, student’s response
Penulis: Triana Wulandari, Trapsilo Prihandono, Rif’ati Dina Handayani
Kode Jurnal: jpfisikadd160394

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