Identify the research design used A Ex post facto B. True experimental C. Descriptive D. Correlational E. Quasi-experimental 1. Finding out the different patterns of behaviour (e.g., liking a post, uploading, and commenting) of teenagers as they engage in social networking sites. 2. Investigating the effects of prior exposure to asbestos for those who have been diagnosed with lung cancer. 3. Randomly selecting students from the entire Grade 11 population to be part of an experiment on the use of graphic organizers to help them achieve higher scores in a math achievement test. 4. Obtaining data on self-concept and self-efficacy of Grade 6 students until they reach Grade 12. 5. Determining the effects of the use of vivid pictures in storytelling on the reading comprehension of a group of children with learning disabilities