Barr, D. J., Levy, R., Scheepers, C., & Tily, H. J. (2013). Random effects structure for confirmatory hypothesis testing: keep it maximal. Journal of Memory and Language, 68(3), 255–78.
Bates, D., Mächler, M., Bolker, B., & Walker, S. (2014). lme4: linear mixed-effects models using Eigen and S4. R package version, 1(7), 1–23. Retrieved from <https://CRAN.R-project.org/package=lme4>.
Berko, J. (1958). The child's learning of English morphology. Word, 14(2/3), 150–77.
Boersma, P. (1993). Accurate short-term analysis of the fundamental frequency and the harmonics-to-noise ratio of a sampled sound. In Proceedings of the Institute of Phonetic Sciences, 17(1193), 97–110.
Boersma, P., & Weenink, D. (2016). Praat: doing phonetics by computer [Computer program]. Version 6.0. 19. Retrieved from <www.praat.org>.
Cao, J. (1992). On neutral-tone syllables in Mandarin Chinese. Canadian Acoustics, 20(3), 49–50.
Chang, C. (1998). The development of autonomy in preschool Mandarin Chinese-speaking children's play narratives. Narrative Inquiry, 8(1), 77–111.
Chen, Y., & Xu, Y. (2006). Production of weak elements in speech–evidence from f₀ patterns of neutral tone in Standard Chinese. Phonetica, 63(1), 47–75.
Demuth, K. (1996). The prosodic structure of early words. In Morgan, J. & Demuth, K. (Eds.), Signal to syntax: bootstrapping from speech to grammar in early acquisition (pp. 171–84). Mahwah, NJ: Lawrence Erlbaum Associates.
Demuth, K., & Johnson, M. (2003). Truncation to subminimal words in early French. Canadian Journal of Linguistics / Revue canadienne de linguistique, 48(3/4), 211–41.
Deng, X., & Yip, V. (2018). A multimedia corpus of child Mandarin: the Tong corpus. Journal of Chinese Linguistics, 46(1), 69–92.
Fikkert, P. (1993). The acquisition of Dutch stress. In Verrips, M. & Wijnen, F. (Eds.), Amsterdam Series in Child Language Development, Vol. 1 (pp. 21–35). Amsterdam: Universiteit van Amsterdam, Instituut voor Algemene Taalwetenschap.
Fry, D. B. (1955). Duration and intensity as physical correlates of linguistic stress. Journal of the Acoustical Society of America, 27(4), 765–68.
Gerken, L. (1994). A metrical template account of children's weak syllable omissions from multisyllabic words. Journal of Child Language, 21(3), 565–84.
Haelsig, P. C., & Madison, C. L. (1986). A study of phonological processes exhibited by 3-, 4-, and 5-year-old children. Language, Speech, and Hearing Services in Schools, 17(2), 107–14.
Hua, Z. (2002). Phonological development in specific contexts: studies of Chinese-speaking children. Clevedon: Multilingual Matters.
Hua, Z., & Dodd, B. (2000). The phonological acquisition of Putonghua (Modern Standard Chinese). Journal of Child Language, 27(1), 3–42.
Ingram, D. (1974). Phonological rules in young children. Journal of Child Language, 1(1), 49–64.
Kehoe, M., & Lleó, C. (2003). A phonological analysis of schwa in German first language acquisition. Canadian Journal of Linguistics / Revue canadienne de linguistique, 48(3/4), 289–327.
Kehoe, M., Stoel-Gammon, C., & Buder, E. H. (1995). Acoustic correlates of stress in young children's speech. Journal of Speech, Language, and Hearing Research, 38(2), 338–50.
Lenth, R. V. (2016). Least-squares means: the R package lsmeans. Journal of Statistical Software, 69(1), 1–33.
Li, C. N., & Thompson, S. A. (1977). The acquisition of tone in Mandarin-speaking children. Journal of Child Language, 4(2), 185–99.
Lleó, C. (2006). The acquisition of prosodic word structures in Spanish by monolingual and Spanish–German bilingual children. Language and Speech, 49(2), 205–29.
Luke, S. G. (2017). Evaluating significance in linear mixed-effects models in R. Behavior Research Methods, 49(4), 1494–502.
MacWhinney, B. (2000). The CHILDES Project: tools for analyzing talk, 3rd ed. Mahwah, NJ: Lawrence Erlbaum Associates.
Mirman, D. (2014). Growth curve analysis and visualization using R. Boca Raton, FL: Chapman & Hall/CRC.
Oller, K., & Eilers, R. E. (1975). Phonetic expectation and transcription validity. Phonetica, 31(3/4), 288–304.
Peters, J., Hanssen, J., & Gussenhoven, C. (2014). The phonetic realization of focus in West Frisian, Low Saxon, High German, and three varieties of Dutch. Journal of Phonetics, 46, 185–209.
R Core Team (2016). R: A language and environment for statistical computing [Computer program]. Version 3.3.1. Retrieved from < https://www.R-project.org/> (last accessed 21 June 2016).
Shen, X. S. (1992). Mandarin neutral tone revisited. Acta Linguistica Hafniensia, 24(1), 131–52.
Tang, P. (2014). A study of prosodic errors of Chinese neutral tone by advanced Japanese students (Chinese version). TCSOL Studies, 56(4), 39–47.
Tang, P., Xu Rattanasone, N., Yuen, I., & Demuth, K. (2017a). Phonetic enhancement of Mandarin vowels and tones: infant-directed speech and Lombard speech. Journal of the Acoustical Society of America, 142(2), 493–503.
Tang, P., Xu Rattanasone, N., Yuen, I., & Demuth, K. (2017b). Acoustic realization of Mandarin neutral tone and tone sandhi in infant-directed speech and Lombard speech. Journal of the Acoustical Society of America, 142(5), 2823–35.
Xu, Y. (1997). Contextual tonal variations in Mandarin. Journal of Phonetics, 25(1), 61–83.
Yip, M. (1989). Contour tones. Phonology, 6(1), 149–74.
Yip, M. (2002). Tone. Cambridge University Press.
Yuen, I., Demuth, K., & Johnson, M. (2011). Prosodic structure in child speech planning and production. In Proceedings from the 17th International Congress of Phonetic Sciences (pp. 2248–51).