Collaborative Problem Solving (CPS) is an evidence based, trauma informed, practice founded in neurobiology. CPS helps adults to develop their mindset and examine the truth that kids would do well if they can. Tier 1 participants practice the skills used in CPS throughout the training using the Workbook case studies, practice sheets and activities that helps the participants plan to implement the three components of the approach-assessment, planning, and interventions in the model.