The purpose of this study was to analyze the influence of the on-farm demonstration on the wheat farmers’ technical knowledge. The target population in the study was wheat farmers in the township of Isfahan, Iran. Wheat farmers were selected by using stratified randomization method 394. The methodological approach in this study is twofold: descriptional-correlative and causal-comparative. Validity of the instrument was established using a panel of experts consisting of senior faculty members in agriculture extension and education at Tarbiat Modarres University. Further, the questionnaire was validated by agricultural specialists and experts’ Isfahan Province. A reliability analysis was conducted, Cronbach alpha value being reported to be 87 percent. The main results are as follows: results of the multiple regression analysis (stepwise method) reveal that the variables of mechanization level, size of wheat cultivated landholding, the level of education and wheat farming antecedentce predict a variation of 36.4% of the wheat farmers’ technical knowledge.The results of the multiple regression analysis (stepwise method) revealed that wheat farmers’ social status, the extent of their familiarity with media and the extent of their use of communication channels predict a variation of 55.7% of the wheat farmers’ technical knowledge.Significant differences were found among the mean scores of the wheat farmers’ technical knowledge in relation to the type of agricultural system, type of seeds used and methods of wheat cultivation. Among the mean scores of the variable of technical knowledge, significant differences were exposed when the two groups of wheat farmers, meaning those who visited on-farm demonstration farming and those who did not, were compared together. The results obtained from the discriminative analysis revealed that 88.2% of respondents (wheat farmers) have been properly classified based on the discriminative functions.
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