2.1. Read the research topics/titles below and determine the suitable research design for each. Write only the research design next to the question number. E.g. 2.1.11. Case study. 2.1.1. Teacher experiences in implementing learner-centred teaching strategies in overcrowded classrooms in the Ilembe District, KwaZulu-Natal. 2.1.2. The effect of gamification on primary school learners’ motivation and academic performance. 2.1.3. The role of classroom culture in shaping learners’ learning experiences in the Ugu District, KwaZulu-Natal. 2.1.4. The process of teacher collaboration in improving teaching practices in the Tshwane District, Gauteng. 2.1.5. Ascertaining the relationship between the classroom environment and learners’ academic performance in Mpumalanga.