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Wangila, M. J.; Martin, W.; Ronald, M. – Science Education International, 2015
This study examined the effect of Programmed Instruction on students' attitude towards Structure of the Atom and the Periodic Table (SAPT) among mixed (co-educational) secondary schools of Butere district, Kakamega county, Kenya. The quasi-experimental research design was adopted, using the nonrandomized Solomon four-group as a model. The sample…
Descriptors: Programmed Instructional Materials, Teaching Methods, Experimental Groups, Control Groups