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Some of chemistry research indicates that stoichiometry is important and fundamental in order to understand other concepts in chemistry and science in general. However, many misconceptions occurred in stoichiometry learning result to the general perception that this topic is complicated and difficul...
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| Format: | Theses |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/7841 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Some of chemistry research indicates that stoichiometry is important and fundamental in order to understand other concepts in chemistry and science in general. However, many misconceptions occurred in stoichiometry learning result to the general perception that this topic is complicated and difficult. The complication is indicated by many concepts, rules, and variables that have to be adapted while they are used to solve the problems in the course. There are various alternative instructional approaches offered to solve the difficulties, eg. Mole City and Stepped Supporting Tools (SST). Comprehending stoichiometry, which is illstructured (the concept is complicated and has case-to-case irregularity), required a perspective of adequate instructional planning in delivering the material. In this research, the instructional media was designed in the form of hypertext, which is a non-linear text consists of parts connected as a network and provides wide navigation channels on aninteractive screen. Hypertext system created has an interface that divided the screen to two frames. Global structure and macro structure on the left frame was designed as main link, while texts on the right frame have a role as nodes that elaborate the concepts and principles represented on the left. Users can use the texts on the right frame interactively, where the description details or the answer to problems are hidden. The hidden text can be displayed by clicking a link on the text. There are two kinds of interactivity in hypertext, the first is interactivity between users and the hypertext system, and the second is interactivity between users and hypertext designer or among users. For that reason, this stoichiometry hypertext is expected to be able to provide facilities to users to reconstruct and compiles his own knowledge, to organize cognition abilities to choose the relevant concepts and to adapt those concepts and principles to specific problems. The system was also expected to make chemical concepts become more accessible. It can be summarized that stoichiometry hypertext is expected to become alternative media for comprehending the complication of stoichiometry concepts and principles. |
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