Read the following research titles and identify the research design used. Write A for case study, B for phenomenological study, C for ethnography and D for grounded theory. Write your answers on your notebook, 1. Ezperiences of the Grade 11 Students with Person with Disabilities (PWD) Parents , 2. Case Study of the Single Mother with Young Adult Sibling , 3. Practices of the Magbikin Aeta on Marriage Celebration , 4. Experiences of Novice Teachers on Classroom Management , 5. Case Study on the Challenges of Seasoned Teachers on Classroom Bullying 3