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The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation. I/O devices are the pieces of hardware used by a human (or other system) to communicate with a computer. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices.
The theory emphasizes the listening-speaking-reading-writing order. Listening is important in developing speaking proficiency and so receives particular emphasis. There are strong arguments, both physiological and psychological, for combining speaking practice with training in listening comprehension. Speaking is effective through listening.
IEEE Recommended Practice for Speech Quality Measurements [3] sets out seventy-two lists of ten phrases each, described as the "1965 Revised List of Phonetically Balanced Sentences (Harvard Sentences)." They are widely used in research on telecommunications, speech, and acoustics, where standardized and repeatable sequences of speech are needed.
The Output Hypothesis attributes three main functions to the production of language (output) that are relevant to language learning: The noticing/triggering function - in attempting to produce language, learners may become aware of a gap between their intended meaning and the form closest to that meaning that they can produce using their ...
The input hypothesis. This states that learners progress in their knowledge of the language when they comprehend language input that is slightly more advanced than their current level. Krashen called this level of input "i+1", where "i" is the learner's interlanguage and "+1" is the next stage of language acquisition.
Its main focus is on the role of input, interaction, and output in second language acquisition. [2] It posits that the level of language that a learner is exposed to must be such that the learner is able to comprehend it, and that a learner modifying their speech so as to make it comprehensible facilitates their ability to acquire the language ...
Given the consistent evidence for comprehensible input, and the failure of other means of developing language competence, providing more comprehensible input seems to be a more reasonable strategy than increasing output," says Krashen. [4] Wolfgang Butzkamm [8] proposes to extend Krashen's notion of comprehension. Both in natural language ...
Speech shadowing can be used in the alternate form of vocal shadowing. It also requires the process of perception and production but with inverted energy distributions of a low input and a large output. [14] Vocal shadowing perceives pure tones and focuses on the manipulation of the vocal tract to produce a shadowed response. [14]