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the claim

Standardized word-lists exist for child English language acquisition.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that standardized word-lists exist for child English language acquisition?

Yes. Standardized word-lists and developmental inventories, such as the MacArthur-Bates Communicative Development Inventories and age-of-acquisition norms, are widely established and utilized in research on child English and multilingual language acquisition.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked

The analysis

The retrieved papers repeatedly reference established standardized vocabulary norms (such as Kuperman et al., 2012) and standardized instruments like the MacArthur-Bates Communicative Development Inventories (CDIs), which explicitly serve as standardized word lists for assessing child language acquisition. Papers [1], [4], and [8] all rely on or discuss these standardized inventories and norms, fully supporting the claim. No retrieved papers contradict the existence of such lists.

Evidence for · 3
Crowdsourced and AI-generated age-of-acquisition (AoA) norms for vocabulary in print: Extending the Kuperman et al. (2012) norms
2025
This study utilizes and builds upon established age-of-acquisition (AoA) norms (such as Kuperman et al., 2012) for vocabulary words in English, demonstrating that standardized word lists and norms exist and continue to be updated.
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Green, C., Kong, A., Brysbaert, M., & Keogh, K. (2025). Crowdsourced and AI-generated age-of-acquisition (AoA) norms for vocabulary in print: Extending the Kuperman et al. (2012) norms. doi.org. https://doi.org/10.3758/s13428-025-02843-8

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More for · 2
JACDI: WS-SF: A Short-Form Version of the Saudi Arabic Communicative Development Inventory.
2025
The paper discusses MacArthur-Bates Communicative Development Inventories (CDIs) which provide standardized vocabulary and communicative checklists used globally across numerous languages and adaptations.
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H, A., MC, F., K, A., A, A., A, A., Y, A., R, A., A, M., & F, A. (2025). JACDI: WS-SF: A Short-Form Version of the Saudi Arabic Communicative Development Inventory.. doi.org. https://doi.org/10.1111/1460-6984.70108

How do differences in bilingual input affect vocabulary development of a minority language? The relationship between the type of bilingual exposure and early vocabulary acquisition
2026
This study utilizes the Catalan adaptation of the MacArthur-Bates CDI inventory, illustrating the practical application of standardized word-list inventories in assessing early child language acquisition.
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Amadó, A., Aguilar-Mediavilla, E., Feijóo, S., Intxaustegi, A., Puigseslloses, A., & Serrat-Sellabona, E. (2026). How do differences in bilingual input affect vocabulary development of a minority language? The relationship between the type of bilingual exposure and early vocabulary acquisition. doi.org. https://doi.org/10.1177/13670069251411755

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Receipt History
first checked05 Aug 2026
judged → SUPPORTED · 8005 Aug 2026
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