Problem: The study below has been poorly designed. Identify whether it is descriptive, correlational, or experimental. From the list of flaws below, what is the BIGGEST flaw? Dr. Canon wanted to study different products that claim they increase one-year-olds' vocabulary. First she measured the baseline vocabulary of all the participants at the start of the study by testing how many items they could correctly point to in the play room. Then she randomly assigned half of the participants to watch an episode of a Baby Einstein video every weekday for three weeks. The other half of the participants were assigned to have their caregivers read them a children's picture book that contained the same target words for the same amount of time. In both groups, children learned new words and there was no significant difference between the groups. Dr. Canon concluded that both TV and reading are good methods for increasing infant vocabulary. This study illustrates the??