A novel teaching book on an acid, and base topic

Abstract

An electronic book on the topic of acids and bases based on Balinese local wisdom is important to develop to support blended learning. This study aims to develop and validate an electronic teaching book based on Balinese local wisdom to support blended learning in acids and bases topic. It was developed using the ADDIE model, including the stages of analysis, design, development, implementation, and evaluation. These research instruments included a document analysis sheet, interview guidelines, questionnaires, a validation sheet, a legibility assessment sheet, a practicality assessment sheet, and a learning outcomes test. The need analysis was carried out at the analysis stage. The results of the needs analysis included indicators of competency achievement, Balinese local wisdom that is relevant to the topic of acids and bases, and the opinions of teachers and students about their experiences using blended learning and learning based on Balinese local wisdom. The design stage was done by making a teaching book design. The development stage included the making of the book and tests of validation, readability, practicality, and effectiveness. The data were analyzed using descriptive and inferential analysis, namely the one-sample proportion test. Among the book's attributes are its electronic format and its foundation in Balinese folklore. It is reliable, useful, and successful in raising student learning results. It can help improve students' learning results by supporting the use of blended learning.

Keywords: Asynchronous; blended learning; chemistry learning; electronic book; local wisdom; synchronous