In my experience, it is always worth showing up, but not always worth paying attention as far as a cost-gain analysis from a student perspective. Showing up ens

In my experience, it is always worth showing up, but not always worth paying attention as far as a cost-gain analysis from a student perspective. Showing up ensures that if there is an announcement or hints about labs/homework then you can take advantage of it. Lecture material is often availible elsewhere such as class website or the textbook