C12 Lesson 3: How to Provide Quality Professional Development and Training in AT Please create an account or log-in to view the sample lesson. Lesson Activities C12L3A1 – Quiz Prep: Professional Development and Training in AT C12L3A2 – Planning Staff Training Appraisals (non-graded) or Quizzes (graded)Status 1 C12L3Q1 – Professional Development and Training in AT Quiz (graded) ← Previous Lesson