Flashcards
A basic use of CALL is in vocabulary acquisition using flashcards, which requires quite simple programs. Such programs often make use of spaced repetition, a technique whereby the learner is presented with the vocabulary items that need to be committed to memory at increasingly longer intervals until long-term retention is achieved. This has led to the development of a number of applications known as spaced repetition systems (SRS), including the generic SuperMemo package and programs such as BYKI and phase-6, which have been designed specifically for learners of foreign languages.
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