Which of the following tools is used to create pre- and post-session polls to track student learning from each session?

Mentimeter is used to create pre-session and post-session polls to track student learning from each session.

GitHub is a code-hosting and collaboration platform, not a classroom polling tool.

Plotagon is an application for creating instant animated videos, not polls.

Labster offers virtual laboratory simulations for science subjects, unrelated to polling.

Mentimeter also generates live word clouds, quizzes and rankings that display results instantly.

Such instant response systems support formative assessment and active engagement.