1) The document discusses building critical discussions in visual arts assessments through collaborative group work and discussions about artworks. 2) It proposes having students interpret unseen artworks in small groups with another school through online platforms like Edmodo to encourage discovery and discussion. 3) The approach faced some challenges like slow initial discussion, reliance on others in groups, and a misunderstanding of the task by one teacher, but overall students demonstrated deeper understanding of artists and collaboration skills.