By James Milton
Measuring moment Language Vocabulary Acquisition describes the influence that be aware frequency and lexical insurance have on studying and conversation in a international language. It examines the instruments we've for assessing many of the elements of vocabulary wisdom, the ratings those produce, and how those are tied to examination and communicative functionality.
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Extra info for Measuring Second Language Vocabulary Acquisition (Second Language Acquisition)
I have argued that Palmer’s assumption that the most frequent words will be learned earliest has proved to be broadly correct. Does his second assumption, that the most frequent words are the most useful, also stand up to scrutiny? 44 Frequency and Coverage 45 The Relationship Between Word Frequency and Coverage: Zipf’s Law It has already been noted in Chapter 2 that the frequent words in a language, words like the and and, tend to be very frequent indeed and that there are comparatively few of these very highly frequent words.
So, the word that is ranked first in the table is likely to occur about twice as often as the word ranked second, which is likely to be twice as frequent as the word ranked fourth and so on. 1 shows the rank and frequencies of the eight most frequent words in both English and French corpora. It is clearly not a perfect law, nor a perfect relationship. In both these examples, the second ranked word may be substantially less frequent than the first ranked word, but it is more than the 50% that Zipf’s law suggested.
The final example raises the reader’s knowledge to about 6000 words, enough for over 90Á95% coverage, in English and reinserts the additional words in this range. Four score and seven years ago, our fathers brought forth on this continent, a nation, XXXX in liberty and dedicated to the XXXX that all men are created equal. At this level of coverage, most readers feel they can understand just about everything. Ninety-five percent coverage leaves only a couple of unknown words in a passage of this length, and most readers have the ability to gloss over these and take the general meaning of the piece without needing to recognise or guess every single word.