The aims of the research is to develop teaching materials in the form of student work sheets (SWS) on haloalkana  problem based learning and to reveal its validity and practicalities. The type of this research is Research and Development with 4-D development models which consists of  define, design, develop, and disseminate. This research is limited to develop stage. The research instrument used a questionnaire validity and practicality. The questionnaire of validity is filled by lecture and teacher. The questionnaire of practicality is filled by students in SMAN 1 Ranah Pesisir. Data from this research will be analyzed using Cohen’s kappa formula. Based on the analysis of questionnaire known that LKPD produced has a very high validity category (κ=0,83); very high practicality (κ=0,88) based on teacher judgement; and high practicality (κ=0,79) based on student judgement. Keywords: haloalkane, Student Worksheets, Problem Based Learning, Research and Development, 4-D Models.  

Published by RC Institut
Journal Name Journal of RESIDU
Contact Phone-
Contact Name Rudi Chandra
Contact Email ypb.pesona1@gmail.com
Location , INDONESIA
Website education| http://ojs.rc-institut.id/index.php/education|
ISSN ISSN : 2598814X, EISSN : 25988131, DOI : -,
Core Subject Education,
Meta Subject Education,
Meta DescJournal of RESIDU is an open access published by RC-INSTITUT. The main objective of Journal of RESIDU is to provide a platform for the international scholars, academicians and researchers to share the contemporary thoughts in the fields of Education.
Penulis, Suryelita, Mitra susanti
Publisher ArticleRC-INSTITUT
Subtitle Article journal of residu Vol 3 No 13 (2019): JOURNAL of RESIDU (Research and Investigation Educati) By :ojs.rc-institu
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View Articlehttp://ojs.rc-institut.id/inde…
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