Second Language Acquisition Theory of Essay

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The Natural Order hypothesis posits that there is a "natural order" that is predictable when it comes to acquiring grammatical structures. The Input hypothesis is completely in relation to the Acquisition hypothesis and it is especially vital to the understanding of how one learns a second language. Krashen (1997) believes that "if a learner is at a stage 'i', then acquisition takes place when he/she is exposed to 'Comprehensible Input' that belongs to level 'i' plus 1" (1997). This means that if students are at different levels, they can learn, essentially, from those who are more proficient.

The fifth and final hypothesis, Affective Filter, has to do with Krashen's belief that a number of "affective variables" play a role, though not a fundamental one, in second language acquisition. Some of these variables, according to Krashen, could be positive self-image, confidence or lack of confidence, low or high motivation, etc. The positive factors can lead to better second language acquisition while the negative ones can raise the "affective filter," creating a sort of "mental block" that can inhibit second language acquisition (1997).
Krashen's theory of second language acquisition has been proven to work in a classroom setting with high school juniors and seniors. The classroom interaction has been successful as there is not recitation or lecturing involved and many of the older students enjoy the feeling of being more relaxed while they learn at the same time. Krashen's last hypothesis, the affective filter, illustrated that when learners are free of anxiety and feel confident, it is easier for them to acquire a second language. Using a very conversational style of teaching as well as being in an interactive environment has transformed the level of speaking with the students.

References:

Krashen, Steven. (1997).….....

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