This paper explores the relationship between R & D strategies and productivities of firms in the Information and Electronics Industry of Taiwan. The analytical framework looks at the influence of matching the situations of R & D strategies and organizational factors upon productivities. Three hundred questionnaires were sent to R & D and marketing managers of Information and Electronics Industry. Thirty-five percent were returned and used in this analysis. Reserach findings show: (1) The labor, capital and R & D productivities of the prospectors are apparently greater than the defenders'. (2) Positive organizational factors are better than negative ones. (3) At least one year of the accumulative effect exists between the firms' R & D expenditure and their output. (4) The contribution of prospectors' R & D expenditure to output and residual is greater than the defenders'; the contribution of positive organizational factors to output and residual is greater than the negative ones. (5) The follwing measures should be used in all kinds of R & D strategies: ●The active participation of CEO, ●A sound reward system, ●Complete data for accomplishing the R & D plans, ●Added attention to consumers' opinions.