Final answer:
In a group class, the number of new exercises or behaviors introduced should depend on the students' ability to learn and perform them properly. Instructors should prioritize quality learning and consider the current physical activity levels of the students as part of their educational approach.
Step-by-step explanation:
The question seems to be asking about the recommended amount of new exercises or behaviors that can be taught in a group class setting, likely related to a physical education class. Generally, in a group class, instructors should aim to introduce a manageable number of new exercises or behaviors, taking into account the complexity of the tasks and the overall learning pace of the group. The actual number can vary, but it's often best to focus on quality rather than quantity to ensure that each student can learn and perform the exercises correctly.
Considering the additional context provided, it appears the emphasis might be on the effectiveness of the exercise program and how it is impacting students. When implementing new behaviors or exercises, it's crucial to consider the students' existing levels of physical activity, which seems to vary substantially. This data should inform how new exercises are introduced and practiced.
A collaborative exercise such as surveying students about their daily physical activity or comparing pre- and post-class strength metrics can provide valuable feedback on the effectiveness of the educational approach and the physical education program's impact on students.