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Age of acquisition (AOA or AoA) is a psycholinguistic variable referring to the age at which a word is typically learned. For example, the word 'penguin' is typically learned at a younger age than the word 'albatross'. Studies in psycholinguistics suggest that age of acquisition has an effect on the speed of reading words.
The theory has often been extended to a critical period for second-language acquisition (SLA). David Singleton states that in learning a second language, "younger = better in the long run", but points out that there are many exceptions, noting that five percent of adult bilinguals master a second language even though they begin learning it when they are well into adulthood—long after any ...
Rachel I. Mayberry is a language scientist known for her research on the effects of age of acquisition on sign language acquisition among deaf individuals – research that has provided evidence for a critical period in first language acquisition. [1]
The critical period hypothesis holds that first language acquisition must occur before cerebral lateralization completes, at about the age of puberty. One prediction of this hypothesis is that second language acquisition is relatively fast, successful, and qualitatively similar to first language only if it occurs before the age of puberty. [60]
Studies on monolingual children have shown that the time before an infant turns one year of age, is an important window for phonetic learning; between 18 months to 36 months of age is an important period for syntactic learning; and vocabulary acquisition grows exponentially at 18 months of age. [6]
Although doctors recommend that adults over the age of 18 get at least 7 hours of quality sleep each night, the most recent data suggest that many may face consistent sleep issues, such as ...
As a result, New Age Beverages now owns the licensing and distribution rights to some of the most popular drink brands within the United States. Benzinga's Cannabis Capital Conference heads to ...
For this reason, individual variation in second-language acquisition is not generally considered a single area of research. Rather, it is simply a convenient way to categorize studies about language aptitude, age and language learning, strategy use, and affective factors that affect language acquisition.