Overall, this research undertakes three main stages, namely, Define (in the form of preliminary studies) Design (designing e-module) Develop (including validation and model trial).
This research undergoes some stages including concept analysis, discourse analysis, storyboard design, design development, product packaging, validation, and feasibility test. This research aims to design electronic module (e-module) oriented to the development of students' chemical literacy on the solution colligative properties material. Students agree teaching materials used in teaching chemistry (88%), and agrees teaching materials to provide convenience in connecting the three levels of representation (95%). Students gave a positive response to the application of multiple representations based teaching materials chemistry. Recapitulation N-gain pretest and posttest showed relatively similar for all groups is 0.6 criterion being achievement. A significant increase ability to connect the three levels of representation of students after the application of multiple representations based teaching materials chemistry with t-value > t-crit (11.402 > 1.991). The results showed the application of teaching materials carried 88% with very good category. The method used quasi one-group pretest-posttest design to 71 students. This study aimed to describe the application of teaching materials, analyze the increase in the ability of students to connect the three levels of representation and student responses after application of multiple representations based teaching materials chemistry. In addition, also known symbols of numbers in the form of basic numbers (0-9), describe in figure The third group, as many as 5 symbols are placed parallel to the basic script, which is subdivided into: 1 symbol placed to the left of the basic script, 2 symbols placed on the right of the basic script, and as many as 2 symbols placed on the right with a little stretching down the basic script. The second group, as many as 3 symbols placed under basic script. The first group, as many as 5 symbols placed above the basic script. The symbol of vocalization has a 13 kinds which in its placement is divided into three groups. In the Sundanese script, there are known vocalizations, namely rarangkén or sound markers that can change, add or eliminate vowel in the ngalagena script (explained in table 1). Then, there are two additional symbol among others "kha" and "sya". Those scripts are not a new symbol, but there are variant of the ancient Sunda script symbols that rarely used, among others the symbol of "fa" and "va" are a variant of the pa script, the symbol of the "qa" and "xa" are a variant of "ka", and the symbol of "za" is a variant of the symbol of "ja". However, currently ngalagena scripts have a 23 symbols because of absorption of foreign syllable. Ngalagena sripts in ancient Sundanese script have an 18 symbols. With Likert technique for data processing of the questionnaire, obtained the result was around 79.8% of the respondent strongly agree that the information provided was precise, the system was easy to use and easy to understand the Sundanese script Then, we tested the system with 30 respondents using a questionnaire with 5 questions relating to the ease and accuracy of the information provided in the process of converting Latin script to the Sundanese script. We did 6 test cases as a simple black box testing for making sure that the conversion process has done well. Then, transition of syllable separation was represented by transition diagram and guided by the rules of writing and the pattern of Sundanese syllables. Latin script was splitted into syllable using the Finite State Automata algorithm with the Non-Deterministic Finite Automata (NDFA) model. The system accepted Latin input which would then be converted into Sundanese script. This research proposed a system as solution to learn Sundanese script. Sundanese script is syllabic that means each script illustrates the symbol of a syllable, so to change it needs spelling separation. Sundanese script is a culture legacy that deserves to be preserved. Several of them have their own script, such as Sundanese.
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