College of Behavioral & Social Sciences

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    The effect of child gender on parental nonverbal communication
    (2019) Booth, Tiara; Newman, Rochelle; Hearing and Speech Sciences; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)
    Previous work has studied parental verbal communication and found differences based on child gender. The current study was designed to better understand any differences in maternal nonverbal communication based on child gender. The nonverbal parameters analyzed were eye contact/joint attention, gestures, positive and negative facial expressions, and open and closed body language. Previously recorded mother-child play sessions when the children were 7 months (n=103) and 24 months (n=73) were coded to assess three main questions: a) Does maternal nonverbal communication differ with child gender? b) Does maternal nonverbal communication change over time? c) Does maternal nonverbal communication effect vocabulary outcomes at 24 months? Mothers used more positive facial expressions with girls at 7 months and more gestures with boys at 24 months. Mothers were consistent in their use of positive facial expressions and gestures over time. Finally, there was no apparent relationship between maternal nonverbal communication and vocabulary.
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    The relationship between maternal speech clarity and infant language outcomes
    (2011) McColgan, Kerry; Ratner, Nan B; Hearing and Speech Sciences; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)
    Mothers' use of infant-directed speech (IDS) may assist infants in decoding language input. IDS is characterized by exaggerated prosodic features (Fernald, 1989), shorter mean length of utterance (Cooper, 1997; Bernstein Ratner, 1996), repetition (Bernstein Ratner, 1996), and more highly clarified acoustic qualities (Bernstein Ratner, 1984; Malsheen, 1980) in comparison to speech directed to adults. However, it is not yet known to what extent such measures of maternal input have long-term impacts on language development. This thesis seeks to test the overarching hypothesis that children who receive more clarified speech input during the prelinguistic stage may be expected to have better language skills at an earlier age than children who receive poorer quality input.