Here are the standards for Graded Student-to-Student Interactions (B5) and Guidelines for Participation (B6). That's it for Section B of the rubric!
https://sjdc.instructuremedia.com/embed/bbdb51ee-0d1a-4244-8e4e-c3eeaa34f28b
https://sjdc.instructuremedia.com/embed/0abb6efd-928c-4634-837d-00d0da0f8354