1. The teacher, Ms. Rita, had several issues in her lesson planning and delivery that showed a lack of understanding of educational theories and student needs. She did not properly assess student prior knowledge, pitched the lesson at an inappropriate level, and was inflexible when students struggled.
2. Another teacher, Mr. Yeo, gave irresponsible suggestions without understanding the class context and imposed his views on Ms. Rita in a narcissistic manner.
3. The document analyzes their issues through various educational psychology theories like Vygotsky's ZPD and Bronfenbrenner's ecological systems theory. It provides solutions like assessing student knowledge beforehand and creating a supportive learning environment.