Department of Speech-Language-Hearing: Sciences and Disorders, University of Kansas, 3001 Dole Human Development Center, 1000 Sunnyside Avenue, Lawrence, KS, 66045-7555, USA,
Behav Res Methods. 2013 Dec;45(4):1159-67. doi: 10.3758/s13428-012-0309-7.
A corpus of 5,765 consonant-vowel-consonant sequences (CVCs) was compiled, and phonotactic probability and neighborhood density were computed for both child and adult corpora. This corpus of CVCs, provided as supplementary materials, was analyzed to address the following questions: (1) Do computations based on a child corpus differ from those based on an adult corpus? (2) Do the phonotactic probability and/or the neighborhood density of real words differ from those of nonwords? (3) Do phonotactic probability and/or neighborhood density differ across CVCs that vary in consonant age of acquisition? The results showed significant differences in phonotactic probability and neighborhood density for the child versus adult corpora, replicating prior findings. The impact of this difference on future studies will depend on the level of precision needed when specifying probability and density. In addition, significant and large differences in phonotactic probability and neighborhood density were detected between real words and nonwords, which may present methodological challenges for future research. Finally, CVCs composed of earlier-acquired sounds differed significantly in probability and density from those composed of later-acquired sounds, although this effect was relatively small and is less likely to present significant methodological challenges to future studies.
我们编译了一个包含 5765 个辅音-元音-辅音序列（CVC）的语料库，并计算了儿童和成人语料库的音位规则概率和邻域密度。本 CVC 语料库作为补充材料进行了分析，以回答以下问题：（1）基于儿童语料库的计算与基于成人语料库的计算是否不同？（2）真实单词的音位规则概率和/或邻域密度是否与非单词的不同？（3）在辅音习得年龄不同的 CVC 中，音位规则概率和/或邻域密度是否不同？结果表明，儿童语料库和成人语料库的音位规则概率和邻域密度存在显著差异，这与之前的发现一致。这种差异对未来研究的影响将取决于指定概率和密度时所需的精度水平。此外，真实单词和非单词之间的音位规则概率和邻域密度存在显著且较大的差异，这可能对未来的研究提出方法学挑战。最后，由较早习得的音组成的 CVC 在概率和密度上与由较晚习得的音组成的 CVC 有显著差异，尽管这种效应相对较小，不太可能对未来的研究提出重大的方法学挑战。
