Professional Development to Practice Step 2: Success Criteria The teacher and students need to know the success criteria of performance. Students need to understand timeframe for accountability. Success Criteria should be written in studentfriendly language. Chappuis, J. 2009. Seven strategies of assessment for learning. Hattie, J. 2009. Visible learning: A synthesis of over 800 meta-analyses relating to achievement. Stiggins, R., J. Arter, J. Chappuis, & S. Chappuis. 2006. Classroom assessment for student learning.