Question 4 A recent headline reads \"Early Language Skills Reduce Preschool Tant

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Question 4 A recent headline reads "Early Language Skills Reduce Preschool Tantrums, Study Finds", and the artide offters a potental cope.- The article refers to a study that recorded the language skill level and the namber of tantrums of a sample of preschoolers. 1 Early Language Skills Reduce Preschool Tantrums, Study Finds", US News and World Report, http://health.usnews.com/health tantrums-study-finds, 20 December 2012, Accessed 7/17/15. 2/12/20/early-language skils reduce (a) Is this an observational study or a randomized experiment? O observational Study O Experiment (b) Can we c (c) Are there likely to be confounding variables? 148 PM

Explanation / Answer

a ) This is an observational study .

b ) Yes , from the study we can conclude that " Early language skills Reduce Pre-school Tantrums " .

c ) No .

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