Dr. Kuhl and her colleagues wanted to determine if exposure to a second language could lead to better sound discrimination in the population of Delawarean infants who only listen to English. Let’s say these researchers obtained a sample of 6-month-old infants from local university daycare centers and then randomly assigned them to be exposed to Chinese either through:
(1) in-person sessions,
(2) video-only sessions, or
(3) audio-only sessions.
The infants’ ability to discriminate Chinese sounds was measured at the end of the study when they turned 12 months old.
What type of design does this study best represent?
c.Descriptive. Get Social Science help today
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