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An objective test to measure visual discrimination without the confounding of motor coordination was administered to 291 3-, 4-, and 5-yr.-old Negro and Caucasian boys and girls from 2 levels of socioeconomic status. Significant age and race main effects were found but there were no reliable differences for sex or SES.
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Stored only when both papers are in the corpus — 5 citations exist upstream.
Papers that cite the same references — the relational fallback while embeddings are still backfilling.
Imported from OpenAlex (CC0) — nothing here is generated.