“…Child-directed speech, also called motherese, has features different from those present in the exchanges between adult conversational partners (Bornstein, Putnick, Cote, Haynes, & Suwalsky, 2015;Bornstein et al, 1992). Child-directed speech often exaggerates intonation contours to emphasise characteristics of certain words (Herold, Nygaard, & Namy, 2011), uses simplified & Tubul-Lavy, 2015), and higher pitch (Smith & Trainor, 2008).…”