Question: A licensed marriage and family therapist, Adriana Alejandra, wants to study the Impact of social media usage on self-esteem among teenagers. They randomly assign a group of teenagers to two groups: one group reduces their social media usage by 50% for one month, while the other group continues their usual social media habits. At the end of the month, the therapist measures the self-esteem levels of both groups to see If there is a significant difference. Is this a randomized experiment or an observational study? Need Assignment Help? • This study was a randomized experiment because the therapist intervenes and/or randomly assigns the cell phone usage reduction. • This study is an observational study because the therapist does not intervene nor do they randomly assigns the cell phone usage reduction. • This study is an observational study because the therapist collects a large sample of teenagers. • This study is an observational study because the therapist does not collect a random sample.