answers quick please

Instructions: Use the following study to complete the tasks below. Be as descriptive and inclusive of what you learned in Chapter 1 as possible. Cite your sources using APA style as relevant, the proper citation for our textbook can be found in the Syllabus. 'Study: Influence of Social Media Use on Self-Esteem A social psychologist wants to understand the influence of social media use on self-esteem among teenagers. The research team samples 80 teenagers and categorizes their social media use into three levels: low (less than 1 hour per day), moderate (1-3 hours per day), and high (more than 3 hours per day). Self-esteem is assessed using a validated self-esteem scale. The psychologist then analyzes whether the amount of social media use predicts differences in self-esteem scores. Tasks: A. ldentify the types of variables in this study. B. Identify the levels of measurement in this study. C. Describe who would be the population and who would be the sample in this study. D. What type of research design is this and how do you know