How can teachers improve teaching and learning using the knowledge of education psychology?

Teachers are constantly taking classes and attending workshops about teaching and learning. Many get advanced degrees and further credentials. State teaching credentials also require teachers to complete college units in education to renew credentials. School districts also hold in services during the summer break for their teachers. All teachers in the district are required to attend. The different theories of psychology are often debated as the which help learning and sometimes a theory will be the popular theory of the time. Each teacher needs to have a personal philosophy concerning learning methods and theory.