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Frequently used by students.
Observation
Students in foreign language classes often encounter similar difficulties when understanding certain materials as previous students in the course. More experienced students can contribute greatly towards helping new students understand language concepts that the experienced students once had trouble with. Therefore, contributor privileges for experienced students will also be beneficial.
Reading
Prerequisites
User's level of reading needs to be determined beforehand.
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Often, the sentences presented may utilize supplementary material in addition to what has been presented in the textbook. For example, the textbook may be romanized, but the example sentences may have been written in their original character set. Thus, these sentences are not appropriate for presentation to the textbook readers in general, who would be unable to read them, but would still be useful to have in a centralized location for the class. Moreover, some students seem to have an aversion towards asking questions in class, so this type of supplementary material will contribute to the understanding of the non-talkative student.
Therefore, in addition to allowing users to select sentences to be presented to them based on their progress in a textbook, another desirable ability would be to have teachers be able to augment the sentences presented to their users with custom sentences (in addition to those that are associated with the textbook).
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