Does Early Language Reduce Tantrums? A recent headline reads "Early Language Skills Reduce Preschool Tantrums, Study Finds," and the article offers a potential explanation for this: "Verbalizing their frustrations may help little ones cope." The article refers to a study that recorded the language skill level and the number of tantrums of a sample of preschoolers and found that those with better early language skills had fewer tantrums. Assume that the sample used is representative of the population of all toddlers. a. Is this an observational study or a randomized experiment?