Write a school policy that addresses staff development regarding John Hatties Visible Learning & Daggat. I have included the file ‘Policy Development’ with the resources. The policy should answer the questions in the file. A sample policy can be located at https://www.sau81.org/district/page/policy-31-o-professional-development Please site Hattie and Daggat througout policy. Must answer how we will measure the use of Hattie and Daggat’s work in the school system. It will be madatory for all teachers to take this staff development and this must be clearly stated in the policy in addition to the questions.