Influence of Principal-initiated Motivational Speakers Strategy on Academic Achievement of Students in Kenya: A Study across Public Secondary Schools in Mbita Sub County Journal title: International Journal of Current Science Research and Review Authors: Enose M.W. Simatwa, Alfred Chuchu Adede, Subject(s): Agricultural Science, Plant Sciences, Economic Development, Technological Change and Growth, Medical Education , Business, Commercial, Consumer and Financial Law, Mathematical Modelling and Industrial Mathematics, Philosophy of the Social Sciences, Humanities, Multidisciplinary, Psychology, Multidisciplinary, Engineering, Multidisciplinary, Materials Science, Multidisciplinary