Using confidence intervals to determine adequate item sample sizes for vocabulary tests: An essential but overlooked practice

The last three decades have seen an increase of tests aimed at measuring an individual’s vocabulary level or size. The target words used in these tests are typically sampled from word frequency lists, which are in turn based on language corpora. Conventionally, test developers sample items from freq...

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Bibliographic Details
Published in:Language testing 2021-10, Vol.38 (4), p.558-579
Main Authors: Gyllstad, Henrik, McLean, Stuart, Stewart, Jeffrey
Format: Article
Language:English
Subjects:
Bootstrap method
Bootstrapping
Comparative Language Studies and Linguistics
Computational Linguistics
Confidence intervals
English (Second Language)
Foreign Countries
Humaniora och konst
Humanities and the Arts
Inferences
Intervals
Japanese
Jämförande språkvetenskap och allmän lingvistik
Language assessment
Language Tests
Languages and Literature
Native Language
Sample Size
Sampling
Scores
Second Language Instruction
Second Language Learning
Språk och litteratur
Test Format
Test Items
Test scores
Undergraduate Students
Vocabulary
Vocabulary Development
Vocabulary instruction
Word Frequency
Word Lists
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