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Rosetta Stone Language Learning is proprietary computer-assisted language learning (CALL) software published by Rosetta Stone Inc. The software uses images, text, and sound to teach words and grammar by spaced repetition, without translation. Rosetta Stone calls its approach Dynamic Immersion (a term which it has trademarked). The software's title and logo allude to the Rosetta Stone, an ancient stone slab on which the Decree of Memphis is inscribed in three writing systems. ==Dynamic Immersion== In a Rosetta Stone Language Learning exercise, the student pairs sound or text to one of several images. The number of images per screen varies. For example, the software shows the student four photographs. A native speaker makes a statement that describes one of the photographs, and the statement is printed on the screen; the student chooses the photograph that the speaker described. In another variation, the student completes a textual description of a photograph. In writing exercises, the software provides an on-screen keyboard for the user to type characters that are not in the Latin alphabet. Grammar lessons cover grammatical tense and grammatical mood. In grammar lessons, the program firstly shows the learner several examples of a grammatical concept, and in some levels the word or words the learner should focus on are highlighted. Then the learner is given a sentence with several options for a word or phrase, and the student chooses the correct option. If the student has a microphone, the software can attempt to evaluate word pronunciation. Each lesson concludes with a review of the content in that lesson, and each unit concludes with a milestone, which is a simulated conversation that includes the content of the unit. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rosetta Stone (software)」の詳細全文を読む スポンサード リンク
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