Speech and Hearing Science Commons^™

How Are The Features Of Infant Directed Speech Related To Cradling Bias?, Tiffany S. Jacob

Honors Capstones

The current study explored whether the cradling bias observed in mothers of very young infants is related to acoustic features of infant directed speech. Six mothers were asked to set their 4-month-old infants down and pick them up to determine which side mothers used to cradle their infants. Mothers were placed in two groups: left-sided cradling bias and right-sided cradling bias. The mothers were then recorded as they talked to their infants while they shared books and simple toys designed to elicit the vowels /i/, /a/, and /u/. Vowel fundamental frequency (/i, a, u/) and word length (i.e., “sheep, shop, …