The document discusses using color-coded feedback to help students identify strengths and weaknesses in their grammar. Color-coding errors in student writing can help raise students' awareness of common mistakes and motivate them to focus on improving specific grammar points. Research suggests color-coded feedback is more effective than traditional methods at helping students notice their errors and engage with feedback. The presenter conducted studies showing students found color-coded feedback easier to understand and that it helped them identify weaknesses to target in future writing.