Ayayee, Ellis Koe2016-11-012016-11-012016http://hdl.handle.net/10539/21327A research project submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the Degree of Master of Science. November 1995.Bacon’s ideas have been modified and improved by some and contested by others over the centuries. Logical positivism, which evolved from empiricism, has two important tenets, namely, observation and deductive logic in reasoning. As with empiricism, knowledge is considered as objective and reliable (Chalmers, 1983). [Abbreviated Abstract. Open document to view full version]enScience--Study and teaching (Secondary)--South AfricaScience--PhilosophyThesis