Final answer:
Peer teaching is the educational technique where students learn and teach simultaneously, often associated with informal education and collaborative exercises. It plays a part in socializing students in teamwork and highlights the importance of student responsibility.
Step-by-step explanation:
The technique that makes students teach and learn at the same time is B) Peer teaching. This approach is an aspect of informal education, which often involves students teaching their peers and learning through collaborative efforts. Peer teaching is effective because it engages students in collaborative exercises, allowing them to explore course concepts together and learn from each other's insights and mistakes. This method of teaching and learning helps to socialize students in teamwork, preparing them for collaborative workforce environments. Additionally, it aligns with the idea that student responsibility is crucial in both virtual learning and face-to-face learning.