Adediran A. Taiwo, is currently a Professor of Science Education at the University of Botswana, Botswana. A chemistry educator by training, he has been particularly interested in a wide range of issues relating to the evaluation of instructional outcomes. This interest has manifested itself in the array of related courses, such as Techniques of Tests and Measurement, Principles of Learning and Instruction, Special Topics in Research and Evaluation, Principles and Problems of Educational Evaluation, Education Statistics, Statistical Analysis in Educational Research, Classroom Testing etc. Professor Taiwo has authored numerous works in the field of tests and measurement including his propounded methodology for an objective evaluation of instructional outcomes.
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