An econometric choice for extension-teaching methods: the Ilorin and Oyo North Agricultural Development Projects' experience
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The appropriate combination of extension-teaching methods for rapid farm-technology
diffusion and sustained productivity growth in the World-Bank-Assisted Agricultural
Development Project in rural Nigeria is examined. The multiple extension-teaching methods
in the Borin and Oyo North Projects have led to self-defeating and counterproductive results.
Using principal-components analysis, the ten extension-teaching methods (variables) are
transformed into a linear equation by allocating relative weights to each variable. These
weights (coefficients of the equation), which are reasonably unique to each variable, measure
the relative importance of the variables and therefore facilitate their ranking in each of the
project districts.
The usefulness of the principal component model in the World-Bank-Assisted Agricultural
Development Projects in particular, and the rural Nigerian agricultural industry in general,
are briefly discussed.