CHAPTER ONE RESEARCH DESIGN 1.1 INTRODUCTION In the era when planned economic development has been identified as a means of achieving economic take-off in developing countries, the study of some key institutions is imperative. This study is on the banking sector. Thus “An Evaluation of the Effect of Interest Rate on the Profitability of Commercial Banks”Banks act as financial intermediaries collecting deposits from one group and lending it out to another group. In this rol...