{"title":"The polish vocabulary size test: A novel adaptive test for receptive vocabulary assessment.","authors":"Danil Fokin, Monika Płużyczka, Grigory Golovin","doi":"10.3758/s13428-025-02775-3","DOIUrl":null,"url":null,"abstract":"<p><p>We present the Polish Vocabulary Size Test (PVST), a novel tool for assessing the receptive vocabulary size of both native and non-native Polish speakers. Based on item response theory and computerized adaptive testing, PVST dynamically adjusts to each test-taker's proficiency level, ensuring high accuracy while keeping the test duration short. To validate the test, a pilot study was conducted with 1475 participants. Native Polish speakers demonstrated significantly larger vocabularies (mean = 75,125 words; range = 19,556-122,693) compared to non-native speakers (mean = 7165 words; range = 646-23,394). For native speakers, vocabulary size showed a strong positive correlation with age (r = .496, p < .001). The PVST is available online at myvocab.info/pl .</p>","PeriodicalId":8717,"journal":{"name":"Behavior Research Methods","volume":"57 9","pages":"254"},"PeriodicalIF":3.9000,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12339579/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Behavior Research Methods","FirstCategoryId":"102","ListUrlMain":"https://doi.org/10.3758/s13428-025-02775-3","RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PSYCHOLOGY, EXPERIMENTAL","Score":null,"Total":0}
引用次数: 0
Abstract
We present the Polish Vocabulary Size Test (PVST), a novel tool for assessing the receptive vocabulary size of both native and non-native Polish speakers. Based on item response theory and computerized adaptive testing, PVST dynamically adjusts to each test-taker's proficiency level, ensuring high accuracy while keeping the test duration short. To validate the test, a pilot study was conducted with 1475 participants. Native Polish speakers demonstrated significantly larger vocabularies (mean = 75,125 words; range = 19,556-122,693) compared to non-native speakers (mean = 7165 words; range = 646-23,394). For native speakers, vocabulary size showed a strong positive correlation with age (r = .496, p < .001). The PVST is available online at myvocab.info/pl .
期刊介绍：
Behavior Research Methods publishes articles concerned with the methods, techniques, and instrumentation of research in experimental psychology. The journal focuses particularly on the use of computer technology in psychological research. An annual special issue is devoted to this field.
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