A study was made to see if an educational program on the safe and proper use of pesticides would increase the opinion leadership activities of pesticide dealers and the amount of quality of information they conveyed to their customers and other dealers. The dealers selected came from eight rural counties and two urban communities in Nebraska; they were divided into an experimental and a control group for each area. Educational programs provided during a 12-month period included workshops, classes, and conferences as well as bulletins, brochures, and radio and television programs. The dealers were interviewed before and after the program. Data gathered indicated that participation in pesticide education programs did not appear to be related to increase in opinion leadership activities; however, the scale used did not measure actual effects of the activities. Nominations of the opinion leaders by their customers, who mentioned them as sources of information, seemed to confirm the opinion leadership scale. (nl)