Lexical Tones in Mandarin Chinese Infant-Directed Speech: Age-Related Changes in the Second Year of Life.

Front Psychol · 2018 · PMC5893784 · PMID 29670555

Europe PMC DOI

hedged sentence

0.0510

closest p · 1.0× alpha

0.0510

boldest claim

The sentences

marginally significantp = 0.051so close (0.05 < p ≤ 0.1)

A paired samples t -test showed that there was a marginally significant difference ( t = -2.024, df = 35, p = 0.051) in the difference in pitch range (Tones 4 – 1) between IDS (mean = 97.724 Hz, sd = 75.934) and ADS (mean = 66.987 Hz, sd = 60.927).

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