Newborns display which preference? Preference for own vegetative sounds over others Preference for mother’s voice compared to the voice of other women Preference for languages different from their own Preference for music over language
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Do Babies Prefer Speech? Psychologists in Montreal and Toronto conducted a study to determine if babies show any preference for speech over general noise. $^{61}$ Fifty infants between the ages of $4-13$ months were exposed to both happy-sounding infant speech and a hummed lullaby by the same woman. Interest in each sound was measured by the amount of time the baby looked at the woman while she made noise. The mean difference in looking time was 27.79 more seconds when she was speaking, with a standard deviation of 63.18 seconds. Perform the appropriate test to determine if this is sufficient evidence to conclude that babies prefer actual speaking to humming.
Inference for Means and Proportions
Paired Difference in Means
Researchers have developed clever ways of "asking" babies questions - ways that do not involve words but that explore something about their abilities, interests, and perceptions. a. Describe a preference that babies appear to be born with that does not directly contribute to survival (in other words, preferences for warmth/contact, certain foods/tastes/smells, and avoiding heights are not appropriate answers) but that increases their chances of survival. b. How has this been demonstrated in an experimental setting? c. How might this preference facilitate survival? Be sure to answer all parts of the question for full credit. Note: a "preference" is a demonstrated liking of one thing over another. Reflexes and behaviors are not preferences.
Adi S.
Even as newborns, we prefer sights and sounds that facilitate social responsiveness. This can be seen by a newborn's preference for a. soft music. b. face-like images. c. low pitched sounds. d. soft colors e. loud music.
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