To assess active learning environments, teachers should measure which of the following?

Measuring how many students are working on-task is a crucial indicator of an active learning environment. This reflects the engagement and participation of students in their learning process. Active learning relies heavily on students being involved in hands-on activities, discussions, and collaborative tasks, which can be observed through their on-task behavior.

An environment where students are engaged and actively participating suggests that teaching strategies are effectively fostering a learning atmosphere where students feel motivated and invested in their education. On-task behavior often correlates with better learning outcomes, as students are not only present but are also actively processing and applying information.

The number of desks in the classroom, the availability of resources, and the layout may influence an active learning environment, but they do not provide direct evidence of student engagement. Simply having more resources or a rearranged space does not automatically result in active learning; it is the students' active participation that is the true measure of effectiveness in an educational setting.